USASI

Organization

Lightning AI

Cloud provider · Compute infrastructure · Developer platform · San Francisco, California

Lightning AI created and maintains the PyTorch Lightning training framework and runs a cloud platform for building, training, and deploying AI models, including browser-based development environments (Studios) and on-demand GPUs. It merged with GPU infrastructure provider Voltage Park in January 2026 and operates under the Lightning AI name.128

Last reviewedEntry updated

Status: Lightning AI and Voltage Park completed a merger announced on January 21, 2026; the combined company operates under the Lightning AI name and pairs Lightning's software platform with Voltage Park's GPU data centers in the United States.891

Key facts

Ownership
Privately held
Legal form
Unknown
Headquarters
San Francisco, California7
Other documented locations
New York, New York45; Seattle, Washington4; London, United Kingdom4
Founded
Unknown
Sectors
Cloud

What is and isn’t public

An evidence-based summary of what this catalog has documented. It is not a verdict on the organization as a whole.

Lightning AI's cloud platform is a commercial service. The company publishes PyTorch Lightning under the Apache License 2.0, and its GitHub organization also hosts other open-source projects such as LitServe, LitGPT, TorchMetrics, and lightning-thunder.11101

Products

Documented products and how they are delivered. Each row links to the official page.

No hosted model products are recorded for this organization.

Other products

Lightning AI: other products
ProductKindDocumented delivery and accessReviewed
Lightning AI Studio (external site: lightning.ai)Cloud platformBrowser-based cloud workspaces (Studios) for coding, training, and deploying models on CPUs and GPUs; free tier with starter credits, then pay-as-you-go GPU time billed by the second, with Pro, Teams, and Enterprise plans.31Sep 29, 2026
Lightning GPU cloud (external site: lightning.ai)Compute serviceSelf-serve on-demand GPUs and GPU clusters in Lightning's own data centers, plus a marketplace that provisions capacity from other clouds through the same platform.283Sep 29, 2026

Related open artifacts

Records in the Open Models & Tools directory that list this organization as a maintainer or publisher.

Frameworks (1)

Notable documented facts

  • An SEC Form D filed on January 8, 2026 by Lightning AI, Inc. lists Voltage Park, Inc. as its previous name, Delaware as its jurisdiction, a San Francisco principal place of business, and a related business combination. Lightning AI's website privacy policy (effective August 2023) names Grid.ai, Inc. doing business as Lightning AI, with a New York postal address.75

U.S. eligibility

How this record meets the catalog’s published eligibility policy.

Eligible · basis: U.S. headquarters

The Form D filed in January 2026 by Lightning AI, Inc. (formerly Voltage Park, Inc.), a Delaware corporation, gives a principal place of business in San Francisco, California, and the company's privacy policy gives a New York address for Grid.ai, Inc. doing business as Lightning AI. The published legal material does not say how the two entities relate after the merger, so no legal name is recorded, but both documented entities and addresses are in the United States. Its terms of service are governed by New York law.7568

Assessed Sep 29, 2026

Eligibility policy

Sources

  1. 1.
    About Lightning AI (external site: lightning.ai)

    Lightning AI · Official page · accessed Sep 29, 2026

  2. 2.
    Lightning - The AI cloud PyTorch developers love (external site: lightning.ai)

    Lightning AI · Official page · accessed Sep 29, 2026

  3. 3.
    Lightning AI - Pricing (external site: lightning.ai)

    Lightning AI · Official page · accessed Sep 29, 2026

  4. 4.
    Lightning AI Careers (external site: lightning.ai)

    Lightning AI · Official page · accessed Sep 29, 2026

  5. 5.
    Lightning AI Privacy Policy (external site: lightning.ai)

    Lightning AI · Official page · published Aug 20, 2023 · accessed Sep 29, 2026

  6. 6.
    Lightning AI Terms and Conditions (external site: lightning.ai)

    Lightning AI · Official page · accessed Sep 29, 2026

  7. 7.
    Lightning AI, Inc. Form D (Notice of Exempt Offering of Securities) (external site: sec.gov)

    U.S. Securities and Exchange Commission (filed by Lightning AI, Inc.) · Filing · published Jan 8, 2026 · accessed Sep 29, 2026

  8. 8.
    Why we merged Lightning AI and Voltage Park to build an AI-native cloud (external site: lightning.ai)

    Lightning AI · Announcement · published Jan 21, 2026 · accessed Sep 29, 2026

  9. 9.
  10. 10.
    Lightning AI on GitHub (external site: github.com)

    Lightning AI · Repository · accessed Sep 29, 2026

  11. 11.
    Lightning-AI/pytorch-lightning LICENSE (external site: github.com)

    Lightning AI · License · accessed Sep 29, 2026

This listing is not an endorsement or a federal approval.

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