Foundation models and the labs that build them — USASI news

Anthropic describes Claude election safeguards ahead of the 2026 U.S. midterms

Thu, 15 Oct 2026 12:00:00 GMT

On October 14, 2026 Anthropic described its preparations for the 2026 U.S. midterm elections. It says Claude.ai continues to show a banner linking to TurboVote from Democracy Works for questions about registration, polling places, and election dates, that later this month it will draw official voting information from Democracy Works into responses in the United States, and that Claude will show up-to-date results on election night and in the following days. Anthropic also says it updated its Usage Policy's election rules, published a guide for campaigns, and added classifiers aimed at multi-step abuse such as fake social media accounts and news sites. It says the Institute for Strategic Dialogue and the McCain Institute tested these safeguards and found Claude could miss a malicious campaign spread across many harmless-looking requests.

Anthropic opens a Singapore office and signs an MOU with Singapore's digital ministry

Thu, 15 Oct 2026 12:00:00 GMT

On October 14, 2026 Anthropic announced that it has opened an office in Singapore, which it describes as its fifth in the Asia-Pacific region. Anthropic co-founder Ben Mann and Kai Fong Chng, Permanent Secretary of Singapore's Ministry of Digital Development and Information, signed a memorandum of understanding on the sidelines of Singapore International Cyber Week. The announcement says the MOU covers cooperation on AI safety, security, and model evaluation, research on AI adoption and its effects, and responsible adoption across the public and private sectors, including technical exchanges with Singapore's AI safety and assurance institutions. An MOU sets out intended cooperation; the announcement does not describe binding commitments.

Meta releases Muse Wonder and Muse Wonder Full through its Model API and Muse Code

Tue, 13 Oct 2026 12:00:00 GMT

On October 12, 2026 Meta announced two new models in its Muse family, Muse Wonder and Muse Wonder Full, which it says were built on the groundwork laid with Muse Spark. According to the announcement, Muse Wonder is available that day for developers and builders through the Meta Model API and Muse Code, and Muse Wonder Full is available to Muse Code subscribers. Meta says Muse Wonder will soon power experiences in Muse, rolling out first to subscribers. The announcement does not name a license or say that model weights are released, and USASI has not tested either model.

NVIDIA contributes Vera Rubin rack and compute tray designs to the Open Compute Project

Tue, 13 Oct 2026 12:00:00 GMT

In an October 12, 2026 blog post tied to the OCP Global Summit, NVIDIA said it contributed Vera Rubin rack and compute tray designs to the Open Compute Project through its MGX architecture. The post says NVIDIA joined AMD, Google, and Meta at OCP to publish a new open specification, and describes the Open Data Center Specification v0.7 as a blueprint for AI factory facility design. It says the OCP Grid Resilience Specification was published by Google, Meta, Microsoft, and NVIDIA, and that NVIDIA expanded DSX OS with open-source components for configuring networks and validating clusters, without naming a license for them. USASI has not reviewed the contributed designs or specifications.

xAI's developer documentation now uses the name SpaceXSI

Sun, 11 Oct 2026 12:00:00 GMT

As of October 11, 2026, xAI's developer documentation at docs.x.ai is titled "SpaceXSI Docs", describes itself as the official SpaceXSI API documentation, and opens with "Get started with SpaceX Super Intelligence". The page's structured data still names the organization xAI and lists "SpaceXAI Docs" among the site's alternate names, and the company's Greenhouse job board still carried the name SpaceXAI the same day. xAI has been a wholly owned subsidiary of SpaceX since February 2026. USASI has not found an official announcement of the new name, and no change to the company's legal name has been documented; the catalog record now reads "xAI (SpaceXSI)".

Anthropic adds dynamic workflows to Claude Managed Agents in beta

Mon, 12 Oct 2026 12:00:00 GMT

Anthropic's Claude Platform release notes, in an entry dated October 9, 2026, say a Claude Managed Agents agent can now use dynamic workflows, in beta with the managed-agents-2026-04-01 beta header. The notes describe a workflow as a program that runs many agents in phases and combines their results, which the server runs in the background as a workflow run. Developers turn the feature on through the agent's multiagent field and follow each run through workflow_run events on the session's event stream. This is a feature of Anthropic's hosted service, not an open-source or open-weight release, and USASI has not tested it.

Meta publishes MetaEncoder-30B, a gated Apache 2.0 multimodal encoder for decision tasks

Tue, 13 Oct 2026 12:00:00 GMT

Meta has published MetaEncoder-30B on Hugging Face as facebook/meta-encoder. The model card describes it as a multimodal bi-encoder, a "Multimodal System One Encoder", in which both the task and each candidate are written in natural language, with text, images, and video usable on either side. The card says it was built by contrastively fine-tuning Muse-Glimmer-30B and is released under Apache 2.0, inherited from the base model, with use also subject to the base model's Usage Policy; the files can be downloaded only after accepting access conditions on Hugging Face. The accompanying paper was submitted to arXiv on October 8, 2026; the model card does not give a release date. USASI has not tested MetaEncoder-30B.

White House science summit lists industry partners in the Genesis Mission Consortium

Sun, 11 Oct 2026 12:00:00 GMT

On October 8, 2026 the White House published a fact sheet on science initiatives announced at its "Science: A New Golden Age" summit. It says eleven industry partners committed SI-for-science tools and compute credits to the Genesis Mission Consortium, and names NVIDIA, AMD, OpenAI, Anthropic, Google, AMP, Emerald AI, AWS, Armada, Crusoe, and Micron. The same fact sheet says NIH, DOE, and Biohub launched a virtual biology initiative to build data and models for virtual cells. The fact sheet describes announcements and commitments rather than an executive order.

Anthropic announces commitments to the federal Genesis Mission

Fri, 09 Oct 2026 12:00:00 GMT

On October 8, 2026 Anthropic announced commitments to the Genesis Mission, which it describes as a federal initiative to accelerate scientific and technological discovery through AI. The post says that over the next three years Anthropic will provide Claude, Claude Code, and API credits to Genesis Mission research projects, partner with agencies and national laboratories on science priorities including fusion energy and quantum computing, and provide training, onboarding, and technical support to scientists on those projects. It names NASA, the National Institutes of Health, and the National Science Foundation among participating agencies. These are commitments Anthropic describes in its own announcement; this item does not describe any government action.

Anthropic updates its Usage Policy, effective November 12, 2026

Fri, 09 Oct 2026 12:00:00 GMT

On October 8, 2026 Anthropic published a summary of updates to its Usage Policy, which it says take effect on November 12. The post says rules on deceptive activity that were previously spread across several sections are consolidated into a new section titled "Do Not Engage in Deceptive Campaigns or Artificial Activity", and that the elections section is renamed "Do Not Undermine Democratic Processes". It says the weapons prohibitions now explicitly include the software and components that make weapons work and actions such as arming drones and other autonomous vehicles, and it adds requirements for models connected to hardware that takes autonomous physical actions, including that a qualified operator can observe and stop the equipment. This item describes Anthropic's own policy for use of its models; it is not a government rule.

OpenAI releases Codex CLI 0.162.0 with managed Git worktree tools

Fri, 09 Oct 2026 12:00:00 GMT

On October 8, 2026 OpenAI published version 0.162.0 of its open-source Codex CLI on GitHub. The release notes add tools for creating and listing managed Git worktrees from trusted local projects when the worktrees feature is enabled, and add task pinning in the agent Command Center with the p key. They also say live web access and remote compaction can be configured for custom Responses-compatible model providers, and that a signed PowerShell installer is now published with Windows releases. USASI has not tested these changes.

Ai2's Bolmo byte-level language model research is published in Nature, with new checkpoints

Tue, 13 Oct 2026 12:00:00 GMT

Ai2 said on October 7, 2026 that the research behind Bolmo, its family of fully open byte-level language models introduced the previous December, has been published in Nature. Ai2 writes that the paper applies the same "byteifying" process to Qwen 3 8B and Llama 3 8B to create two new byte-level models, Bwen 8B and Blama 8B, and that it is releasing new checkpoints, including Stage 1 checkpoints, on Hugging Face. The Bwen 8B model card describes it as Qwen3 8B Base retrofitted to operate over bytes instead of tokens and lists the Apache 2.0 license. USASI has not tested these models.

Anthropic releases Claude Haiku 5.5

Thu, 08 Oct 2026 12:00:00 GMT

On October 7, 2026 Anthropic announced Claude Haiku 5.5, a model it describes as designed for high-volume, cost-sensitive tasks such as summaries, classification requests, and database queries. The announcement gives the API model ID claude-haiku-5-5 and says the model is available on the Claude Platform, Amazon Web Services, Google Cloud, and Microsoft Azure, and it points to a Haiku 5.5 System Card for evaluation and safety details. The same post announces SDK updates that add beta support for computer use and browser use in Python and TypeScript. The announcement describes a hosted model; it does not describe a release of model weights.

OpenAI releases Codex CLI 0.161.0 with GPT-6.1 Sol as the default model

Thu, 08 Oct 2026 12:00:00 GMT

On October 7, 2026 OpenAI published version 0.161.0 of its open-source Codex CLI on GitHub. The release notes say GPT-6.1 Sol is now the default model in the bundled and Amazon Bedrock catalogs, and that Amazon Bedrock supports multi-agent V2 and Ultra reasoning on compatible models. The notes also add a /mcp login command for signing in to MCP servers from an active terminal session, and make Daybreak opt-in through --enable cli_daybreak. USASI has not tested these changes.

Google releases EmbeddingGemma 2, an open-weight multimodal embedding model under Apache 2.0

Wed, 07 Oct 2026 12:00:00 GMT

On October 6, 2026 Google announced EmbeddingGemma 2, a multimodal embedding model built on the Gemma 4 architecture. The announcement says the model maps text, code, images, video, and audio into a shared embedding space, contains 740 million parameters, and produces 768-dimensional vectors that can be truncated to 512, 256, or 128 dimensions using Matryoshka Representation Learning. Google says the weights are released under the Apache 2.0 license and are available on Hugging Face and Kaggle, with on-device variants in the LiteRT Community on Hugging Face. USASI has a release record for the earlier EmbeddingGemma 300M; a record for this release has not yet been added.

Google DeepMind releases AlphaProtein Novo code and non-commercial generator weights

Tue, 13 Oct 2026 12:00:00 GMT

Google DeepMind published AlphaProtein Novo (AP Novo), a generative diffusion pipeline for de novo enzyme design through structural motif scaffolding, in a GitHub repository whose commits are dated from October 5, 2026. The README says the diffusion model co-generates protein structures and sequences conditioned on a catalytic motif and ligand context, and that it can be combined with LigandMPNN sequence redesign and AlphaFold 3 structure prediction; it points to a bioRxiv preprint describing the work. The software is licensed under Apache 2.0, but the generator weights are downloaded separately under terms of use, last modified October 5, 2026, that allow only non-commercial use by, or on behalf of, non-commercial organizations. USASI has not tested AlphaProtein Novo.

Ai2 open-sources AstaBrief 8B, a model for writing cited scientific reports

Sun, 04 Oct 2026 12:00:00 GMT

On October 2, 2026 Ai2 announced that it is open-sourcing AstaBrief 8B, a model that turns a research question and retrieved literature excerpts into a cited report, along with its training data. Ai2 says the model was built from Qwen3-8B using supervised fine-tuning and direct preference optimization, and that it is available as Fast mode in the "Generate a report" feature of Asta, its platform for scientific work. The Hugging Face model card lists the Apache 2.0 license. Ai2 notes that most of the training and evaluation was completed in 2025 and that it has not rerun the full evaluation against today's frontier models.

Ai2 releases OLMo-core 3, its open training library, with mixture-of-experts support

Thu, 01 Oct 2026 12:00:00 GMT

Ai2 released version 3 of OLMo-core, the PyTorch training library behind its Olmo models, on October 1, 2026. The release redesigns the library's mixture-of-experts training system, adding expert and pipeline parallelism, a distributed optimizer, grouped matrix multiplication for experts, and support for the MXFP8 number format; Ai2 says it is designed to scale mixture-of-experts training into the trillion-parameter range. The code is licensed under Apache 2.0, and the repository includes Ai2's official training scripts for Olmo 3.

Google DeepMind introduces SynthID Bio and open-sources code for watermarking AI-designed proteins

Tue, 13 Oct 2026 12:00:00 GMT

On September 30, 2026 Google DeepMind introduced SynthID Bio, a family of watermarking methods for AI-generated protein sequences and 3D structures, which it describes as a proof of concept. The repository README says SynthID Bio-sequence adds watermarked sampling to ProteinMPNN, and the announcement says SynthID Bio-structure fine-tunes a small part of AlphaFold 3's diffusion network so that predicted coordinates carry a detectable signature. Google DeepMind says it is publishing a methods paper, open-sourcing the code and in vitro data, and releasing weights to the research community. In the public repository, the software is licensed under Apache 2.0, the in vitro validation data supporting the paper is licensed under CC BY 4.0, and AlphaFold 3 model parameters remain under the AlphaFold 3 terms of use. USASI has not tested SynthID Bio.

OpenAI publishes MCP Extensions, a specification and SDKs for ChatGPT plugins, under Apache 2.0

Tue, 13 Oct 2026 12:00:00 GMT

On September 29, 2026 OpenAI published the first releases, version 0.1.0, of the Python and Node SDKs for OpenAI MCP Extensions, a project that adds ChatGPT-specific capabilities to the Model Context Protocol so that plugins can work like native ChatGPT features. The repository's README highlights sidebar entrypoints, file extension handlers, composer mentions, and extended forms, and says the project is licensed under Apache 2.0. Version 0.2.0, released on October 10, 2026, adds editable chat drafts and forms that continue across multiple exchanges, and migrates the TypeScript server helpers to MCP SDK 2. The extensions take effect in ChatGPT, OpenAI's hosted product. USASI has not tested the SDKs.

OpenAI adds GPT-6.1 Sol to its API

Thu, 01 Oct 2026 12:00:00 GMT

OpenAI's API changelog lists GPT-6.1 Sol (model ID gpt-6.1-sol) as released on September 29, 2026, describing it as a model for complex coding and professional work at a lower cost than GPT-6 Astra. The changelog says it is available through the Responses and Chat Completions endpoints. Separate changelog entries on the same date add computer use to the Agents API and an Ultrafast mode for GPT-6 Astra in the Responses API. GPT-6.1 Sol is a hosted model; OpenAI has not published its weights.

Anthropic releases Claude Sonnet 5.5

Thu, 01 Oct 2026 12:00:00 GMT

Anthropic announced Claude Sonnet 5.5 on September 28, 2026, describing it as a faster, lower-cost complement to Claude Opus 5.5. Anthropic says it is available in the Claude apps and on its platforms, including Amazon Web Services, Google Cloud, and Microsoft Azure. Anthropic's model documentation lists the API identifier claude-sonnet-5-5 with a 1M-token context window. It is a hosted model; Anthropic has not published its weights.

Anthropic releases Claude Opus 5.5, the first model in its Claude 5.5 family

Tue, 13 Oct 2026 12:00:00 GMT

On September 22, 2026 Anthropic introduced Claude Opus 5.5, which it calls the first model in its new Claude 5.5 family, and said it was available on all platforms with the API model ID claude-opus-5-5. Anthropic says external evaluators, including Frontier Design and METR, tested the model before release, and that because Opus 5.5 is comparable to Claude Mythos 5.1 in biology and cybersecurity, it is deployed with safeguards similar to those on Claude Fable 5.1. The release notes say thinking cannot be disabled on Opus 5.5 and that the tool_choice types any and tool return a 400 error. Anthropic later released Claude Sonnet 5.5 and Claude Haiku 5.5, which USASI covered separately. Opus 5.5 is a hosted model; no release of weights is described. USASI has not tested it.

METR publishes a summary of its predeployment evaluation of Claude Opus 5.5

Tue, 13 Oct 2026 12:00:00 GMT

On September 22, 2026, METR published a preliminary summary of its predeployment evaluation of Anthropic's Claude Opus 5.5, focused on the model's potential effect on AI research and development. METR says it tested the model through API access over 10 business days on five tasks; it drafted the summary, Anthropic could review and edit it, and the final text also appears in the Claude Opus 5.5 system card. METR concludes that the model is unlikely to be able to fully automate AI R&D, but expects it to noticeably accelerate researchers and automate limited aspects of R&D. METR says the work was not meant to verify compliance with any threshold in Anthropic's policies and did not assess alignment properties.

OpenAI releases GPT-6 Sol and GPT-6 Luna in its API

Tue, 13 Oct 2026 12:00:00 GMT

On September 22, 2026 OpenAI released GPT-6 Sol (gpt-6-sol) and GPT-6 Luna (gpt-6-luna), according to its API changelog, which describes them as reasoning models that accept text and image inputs and generate text through the Responses and Chat Completions APIs. OpenAI's announcement, as listed in its news feed, presents them as two models with different balances of capability and cost. In a separate changelog entry dated September 25, OpenAI says it fixed a bug in image encoding that degraded image understanding in both models, and recommends rerunning evaluations for use cases with image inputs. Both are hosted models; no release of weights is described. USASI has not tested them.

xAI makes Grok 4.7 available on its API

Tue, 13 Oct 2026 12:00:00 GMT

xAI's API release notes record that on September 21, 2026 Grok 4.7, which the notes describe as SpaceXSI's frontier model for coding, agentic tasks, and knowledge work, became available on the xAI API as grok-4.7. The entry says the model has a 500k context window, accepts text and image inputs with text-only output, supports low, medium, high (default), and xhigh reasoning effort, and is also served on the US regional endpoint. It adds that Grok 4.7 Fast, the same model, is available only in Cursor and Grok Build, not on the public xAI API. Grok 4.7 follows Grok 4.6, which the release notes list on August 12. These are hosted models; no release of weights is described. USASI has not tested Grok 4.7.

Google DeepMind launches AlphaGenome Atlas, precomputed predictions for human DNA variants

Tue, 13 Oct 2026 12:00:00 GMT

On September 8, 2026 Google DeepMind introduced AlphaGenome Atlas, a resource of precomputed AlphaGenome predictions for the effects of single-nucleotide variants, covering every possible single-letter change in the human genome. The announcement says Atlas is detailed in a paper and is available through a free website portal for non-commercial academic research, through the AlphaGenome API, and as a skill in Google Antigravity, with commercial use on Google Cloud planned. Alongside it, Google DeepMind released the AlphaGenome Variant Impact (AVI) score, which combines AlphaGenome and AlphaMissense predictions into a single number per variant; Atlas also includes AVI feature attributions and a collection of recurrent DNA sequence motifs. USASI has not tested AlphaGenome Atlas.

Google introduces WeatherNext 3, an hourly global weather model that uses live satellite data

Tue, 13 Oct 2026 12:00:00 GMT

On September 3, 2026 Google DeepMind and Google Research introduced WeatherNext 3, a global weather forecasting model that ingests live geostationary satellite data and produces a new forecast every hour. The announcement says it resolves some surface variables at 5-kilometer resolution, other surface variables at 10 kilometers, and atmospheric variables at 25 kilometers, and adds forecasts of 100-meter wind speeds and solar radiation for renewable energy planning. Google says WeatherNext 3 begins powering weather features in Search, the Gemini app, Google Maps, the Google Maps Platform Weather API, and Google Earth Engine, and that its forecast data can be queried in BigQuery and Earth Engine or downloaded in bulk from Google Cloud Storage. The announcement links to a paper and does not describe a release of model weights. USASI has not tested WeatherNext 3.

OpenAI releases GPT-6 Astra in its API

Tue, 13 Oct 2026 12:00:00 GMT

OpenAI's API changelog records the release of GPT-6 Astra (gpt-6-astra) on September 3, 2026, for the Responses and Chat Completions endpoints, and says to use it for reasoning, coding, computer use, research, and document creation. The migration notes say GPT-6 Astra does not support the none reasoning effort level, custom temperature or top_p values, or log probabilities, and that tool calling requires the Responses API. The entry also says misalignment monitoring asynchronously checks for potential issues during agent work in supported Responses API requests, and can trigger safety alerts or stop a conversation for review. In a safety overview listed in its news feed the same day, OpenAI says GPT-6 Astra is its first model to reach the Critical level of cybersecurity capability under its Preparedness Framework. GPT-6 Astra is a hosted model; no release of weights is described. USASI has not tested it.

Google releases Gemini 3.8 Flash and, for vetted defenders, Gemini 3.8 Flash Cyber

Tue, 13 Oct 2026 12:00:00 GMT

On September 2, 2026 Google introduced two Gemini 3.8 models, which it says share the same foundational intelligence: Gemini 3.8 Flash, which Google says improves on 3.7 Flash in software engineering, agentic tasks, and multi-step reasoning, and Gemini 3.8 Flash Cyber, a cybersecurity model for vulnerability detection and automated patching. Google says developers can use 3.8 Flash in the Gemini API through Google AI Studio and Android Studio, and that it is available to Google AI Pro and Ultra subscribers in the Gemini app. Gemini 3.8 Flash Cyber ships with more permissive cybersecurity mitigations and is offered only to trusted defenders through Google's new Fairwind Program. Both are hosted models; no release of weights is described. USASI has not tested them.

Ai2 releases BenchMIRT, a method, code, and data for auditing LLM benchmarks prompt by prompt

Tue, 13 Oct 2026 12:00:00 GMT

Ai2 introduced BenchMIRT on September 1, 2026, describing it as a method for auditing LLM benchmarks at the level of individual prompts. According to Ai2, it uses multidimensional Item Response Theory to estimate which underlying capabilities are most closely associated with getting each question right. Ai2 published a technical report, code on GitHub, and data in a Hugging Face collection. The post does not state a license. USASI has not tested this method.

Anthropic releases Claude Fable 5.1 and, for vetted organizations, Claude Mythos 5.1

Tue, 13 Oct 2026 12:00:00 GMT

Anthropic's release notes record that on September 1, 2026 it launched Claude Fable 5.1 (claude-fable-5-1), the successor to Claude Fable 5, alongside Claude Mythos 5.1 (claude-mythos-5-1) for Project Glasswing participants. Anthropic's announcement says the two are the same model with different levels of safeguards: Fable 5.1 is generally available, while Mythos 5.1 is offered only through trusted access programs for cybersecurity and life sciences work and is currently available only to a set of U.S. organizations. The release notes say text generated by both models carries Anthropic's text watermark, and the announcement says a watermark detection API is rolling out in private preview. Both are hosted models; no release of weights is described. USASI has not tested them.

Agent Plugins 1.0.0 published as an open specification for packaging agent skills and MCP servers

Tue, 13 Oct 2026 12:00:00 GMT

On August 6, 2026 Vercel announced Agent Plugins 1.0.0, an open, vendor-neutral specification for packaging extensions for AI agents so that one plugin format works across compatible clients. A plugin is a directory with a plugin.json manifest and fixed locations for its components, with Agent Skills under skills/ and MCP server configuration in mcp.json. Vercel says it initiated the proposal, that representatives from AWS, Anysphere, GitHub, Microsoft, OpenAI, and Vercel refined it into version 1.0.0, and that the initial Technical Steering Committee includes core maintainers from AWS, Cursor, Microsoft, OpenAI, and Vercel. ChatGPT and Codex, Cursor, GitHub Copilot, Kiro, and VS Code are listed as supported at launch.

Faiss 1.15.0 adds a Metal IVF-PQ index, EDEN quantizer indexes, and a cuVS IVF-SQ backend

Tue, 13 Oct 2026 12:00:00 GMT

Meta's Faiss project published version 1.15.0 on GitHub on August 3, 2026; the changelog in the release dates the version July 31, 2026. Additions listed in the notes include MetalIndexIVFPQ with product quantization and residual encoding, EDEN quantizer indexes, a cuVS IVF-SQ backend, multi-GPU CAGRA-to-HNSW builds, memory-mapped I/O for Flat and static Vamana SVS indices, and RISC-V RVV distance and RaBitQ kernels. The notes also list faiss-gpu-cuvs pip wheel packaging and optimizations to RaBitQ fast scan and HNSW search. USASI has not tested these changes.

Nous Research releases Hermes Agent 0.20.0 with conversational voice and A2A v1.0 support

Tue, 13 Oct 2026 12:00:00 GMT

Nous Research published Hermes Agent v0.20.0 (tagged v2026.8.3) on GitHub on August 3, 2026, calling it "The Herald Release." The release notes list streaming conversational voice with barge-in and on-device wake words, and a new bundled plugin that implements the Agent-to-Agent (A2A) protocol v1.0 so Hermes can discover, talk to, and be driven by other A2A-compatible agents. The notes also list signed outbound webhooks, grounded research with citations and fact-checking, and a plugin SDK for the desktop app. USASI has not tested this release.

Meta releases Muse Glimmer as an open-weight model under Apache 2.0

Tue, 29 Sep 2026 12:00:00 GMT

In August 2026 Meta Superintelligence Labs published Muse Glimmer, a model of about 30 billion parameters that takes text and images as input and was distilled from Muse Spark. Its weights can be downloaded from Hugging Face without an access request under the Apache 2.0 license, and the repository also includes a separate Muse Glimmer Usage Policy that lists prohibited uses. Muse Glimmer has its own release record under the Muse family.

Google DeepMind introduces Gemini Robotics 2, ER 2, and On-Device 2 models for robots

Tue, 13 Oct 2026 12:00:00 GMT

On July 30, 2026 Google DeepMind introduced Gemini Robotics 2, a set of three models: Gemini Robotics 2, a vision-language-action model that Google DeepMind says can control full humanoids and bi-arm robots; Gemini Robotics ER 2, an embodied reasoning model that plans multi-step tasks and coordinates several robots; and Gemini Robotics On-Device 2, a vision-language-action model optimized to run locally on robots. The announcement says Gemini Robotics ER 2 is available on Google AI Studio and in private preview on Gemini Enterprise Agent Platform, while the other two models are available to early-access partners. It also introduces ASIMOV-Agentic, a benchmark for agentic safety orchestration. No release of weights is described. USASI has not tested these models.

Anthropic releases Claude Opus 5

Tue, 13 Oct 2026 12:00:00 GMT

On July 24, 2026 Anthropic announced Claude Opus 5 and said it was available that day on all platforms, with the API model ID claude-opus-5. Anthropic's release notes say the model supports a 1M token context window and 128k max output tokens, is available on the Claude API, Amazon Bedrock, Claude Platform on AWS, Google Cloud, and Microsoft Foundry, and allows thinking to be disabled only at effort high or below, a breaking change from Claude Opus 4.8. The announcement says requests flagged by its cybersecurity classifiers in Claude.ai, Claude Code, and Claude Cowork fall back to Opus 4.8 by default, and it introduced two updates in beta: mid-conversation tool changes on the Claude Platform and automatic fallbacks on the API. Opus 5 is a hosted model; the announcement does not describe a release of weights. USASI has not tested it.

Meta releases Muse Spark 1.1 and opens the Meta Model API in public preview

Tue, 13 Oct 2026 12:00:00 GMT

On July 9, 2026 Meta Superintelligence Labs introduced Muse Spark 1.1, which the announcement describes as a multimodal reasoning model built for agentic tasks and an upgrade over Muse Spark. Meta says the model is available in "Thinking" mode in the Meta AI app and on meta.ai, and that developers can reach it through the Meta Model API, which the post introduces as a public preview. The post lists a 1-million-token context window, computer use across multiple applications, and the ability to work as a main agent that delegates to parallel subagents. It does not say that the weights are released or give license terms. USASI has not tested Muse Spark 1.1.

OpenAI releases the GPT-5.6 model family, GPT-5.6 Sol, Terra, and Luna, in its API

Tue, 13 Oct 2026 12:00:00 GMT

OpenAI's API changelog records that on July 9, 2026 it released the GPT-5.6 model family: GPT-5.6 Sol for frontier capability, GPT-5.6 Terra for a balance of intelligence and cost, and GPT-5.6 Luna for efficient, high-volume workloads. The entry says the gpt-5.6 alias routes requests to gpt-5.6-sol, and it lists the Responses, Chat Completions, and Batch endpoints. It also says GPT-5.6 adds Programmatic Tool Calling, explicit prompt caching controls, persisted reasoning, max reasoning effort, and Pro mode, with Multi-agent orchestration in beta for the Responses API. The changelog describes hosted models offered through OpenAI's API; it does not describe a release of model weights. USASI has not tested these models.

xAI makes Grok 4.5 available on its API

Tue, 13 Oct 2026 12:00:00 GMT

xAI's API release notes record that on July 8, 2026 Grok 4.5, described as a model for coding, agentic tasks, and knowledge work, became available on the xAI API with configurable reasoning effort (low, medium, or high, with high as the default). A later entry, dated July 17, says Grok 4.5 became available in the API console in the EU. The release notes describe a hosted model and do not describe a release of weights. USASI has not tested Grok 4.5.

Meta launches Muse Image and previews Muse Video, its first Superintelligence Labs media models

Tue, 13 Oct 2026 12:00:00 GMT

On July 7, 2026 Meta Superintelligence Labs launched Muse Image, an image generation model that can edit images, compose from multiple references, and use tools, and previewed Muse Video, which Meta says is built on the same pretraining base as Muse Image and supports native audio. Meta describes them as the first media generation models developed by Meta Superintelligence Labs. Muse Image is available in the Meta AI app and on meta.ai, in Instagram Stories in the U.S., and in WhatsApp in a limited set of countries, while Muse Video is described as coming soon, without a date. Meta says Muse Image outputs in the Meta AI app and on meta.ai include Content Seal, an invisible watermark; the post does not mention an API, open weights, or a license. USASI has not tested either model.