USASI
Model release

Palmyra-mini

Release in the Palmyra family · version palmyra-mini

Maintained by Writer12

A small text model from Writer, fine-tuned from Qwen2.5-1.5B, that the model card lists at 1.7 billion parameters with a 131,072-token context window. It is the non-reasoning member of the three-model Palmyra-mini family that Writer released in September 2025.12

Last reviewedEntry updated Documented release Sep 11, 2025

Availability and license

Overall availability

Public

Downloadable from Hugging Face without gating.1

Availability is separate from permission: read the license before using or redistributing.

The card's license field is Apache 2.0. The base model, Qwen2.5-1.5B, is also listed under Apache 2.0 on its own model card.17

Model-disclosure tier

Computed from the checklist below using USASI rubric v0.1. An editorial category, not a certification.
Model-disclosure tier (USASI rubric v0.1): Open-weight

The model parameters for this release can be downloaded by the public. License terms may still restrict use, redistribution, or commercial use.

How tiers are computed

Public materials checklist

Items for a model under USASI rubric v0.1. Unknown means unassessed or insufficient evidence.
Public materials checklist for Palmyra-mini
ItemStatusNotes and evidence
WeightsCan the general public download the model parameters for this release?PublicWriter also publishes GGUF and MLX conversions.14
Inference codeIs code for running the model published?PublicThe card documents inference with Hugging Face Transformers and serving with vLLM.1
Training codeIs the code used to train the model published?UnknownNot assessed.
Training-data informationPublic = the training data itself can be obtained. Partial = composition or sources are documented without full access.UnknownNeither the model card nor Writer's announcements name the fine-tuning data.12
Training recipeAre the training configuration and procedure documented in enough detail to follow?UnknownNot assessed.
Evaluation materialsPublic = evaluation code or prompts that let others re-run the evaluations are published. Partial = results only.PartialThe card publishes benchmark scores without evaluation code or configurations.1

What it is useful for

The model card describes it as intended for research and development in generative AI, particularly tasks that need mathematical and logical reasoning. Writer's engineering post describes running the Palmyra-mini models locally, including on an iPhone with llama.cpp.13

Organization context

Provenance and derivatives

Fine-tuned by Writer from Qwen2.5-1.5B, a base model in Alibaba Cloud's Qwen family.178

Other releases in the Palmyra family

Palmyra family overview

U.S. eligibility

Project eligibility rests on documented governing or maintaining entities, not on contributors.

Eligible · basis: U.S. headquarters

Published by Writer, Inc., which is headquartered in San Francisco per its company page and platform services agreement. The base model, Qwen2.5-1.5B, comes from Alibaba Cloud's Qwen family and is not thereby U.S.-developed; eligibility here rests on Writer as the developer and maintainer of this fine-tune.1568

Assessed Sep 29, 2026

Sources

  1. 1.
    Writer/palmyra-mini model card (external site: huggingface.co)

    Writer · Model card · accessed Sep 29, 2026

  2. 2.
  3. 3.
  4. 4.
    Writer on Hugging Face (external site: huggingface.co)

    Writer · Repository · accessed Sep 29, 2026

  5. 5.
    Company | WRITER (external site: writer.com)

    Writer · Official page · accessed Sep 29, 2026

  6. 6.
    Writer platform services agreement (external site: writer.com)

    Writer, Inc. · Official page · published Aug 5, 2026 · accessed Sep 29, 2026

  7. 7.
    Qwen/Qwen2.5-1.5B model card (external site: huggingface.co)

    Qwen (Alibaba Cloud) · Model card · accessed Sep 29, 2026

  8. 8.
    Qwen on Hugging Face (external site: huggingface.co)

    Qwen (Alibaba Cloud) · Repository · accessed Sep 29, 2026

This listing is not an endorsement, a safety assessment, or a federal approval.

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