Claude for Open Source

Six months of Claude Max 20x for people who keep open source running.

Who it is for

  • Package maintainer: 500+ dependent repos, 100+ dependent packages or 200,000+ monthly downloads on npm, PyPI, crates.io or similar.
  • Or a committer on a recognized foundation or language project: CPython, Rust, Node.js, Apache, CNCF, Linux and similar.
  • Or 100+ merged PRs in repos you do not own in the last 12 months.
  • Or a repo of yours with 20+ external contributors with merged PRs in the last 12 months.

Check my eligibility

How to get it

  1. Check which criterion your project or contributions meet.
  2. Fill in the application on the program page.
  3. If the project matters but misses the criteria, apply anyway and explain why.
  4. Once approved, Max 20x runs for 6 months.

Limitations

This is a subscription, not API credits. After 6 months a paid plan resumes at its previous rate unless you cancel; without one the account returns to the free plan.

Application deadline
Not stated by the source
Activation window
Check when granted
Spending period
6 months
Later billing
You get an email before it ends.
Combining with other grants
An existing paid plan continues after the 6 months.

Source and changes

Terms copied from the collection of 1 October 2026. Check the current version before applying.

The official page was checked automatically 18 hours ago, no changes found.

Official sourceChange history

Other ways to get credits

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Amount not publishedAPI credits

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How hard to getHighNeeds fund investment, company under 4 years old, applications are reviewed
  • Startups
  • Apply on the Anthropic site
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Google Startup PerksGoogle Cloud · Cloud platform
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How hard to getHighFirst join Scale, then ask a Google Cloud representative
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  • Through a Google Cloud representative
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AWS ActivateAWS · Cloud platform
Amount not publishedCloud credits

For startups that fit an Activate package

How hard to getMediumRegular application; some packages need an Activate Provider partner
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  • Apply on the AWS site
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AI for ScienceAnthropic · Direct API
Amount not publishedAPI credits

For researchers, especially in biology and life sciences

How hard to getHighNeeds a research institution; experts review applications
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All ways to get credits