Claude for Open Source: 6 Months of Free Claude Max 20x for Maintainers

Short answer: If you maintain or regularly contribute to widely used open-source software, Anthropic will give you six months of Claude Max 20x free, worth $1,200 at the $200/month list price. You apply once, Anthropic reviews applications on a rolling basis, and approved applicants get a gift link that must be activated within 90 days. It is a personal Claude subscription, not a pool of API credits for your project.

What you get, and what you don't

Claude Max 20x provides 20 times the usage of Pro per five-hour session, higher output limits and priority access at busy times, according to Anthropic's Max page. In practice that makes it a strong fit for long Claude Code sessions: triaging issues, reviewing pull requests, writing tests and drafting release notes across a large codebase. For current plan details see Claude pricing.

Eligibility tracks explained

You need to meet one of the tracks below, plus the general requirements in the terms. Meeting a threshold does not guarantee acceptance: Anthropic decides at its sole discretion and decisions are final.

General requirements in the terms

• You must be a natural person aged at least 18, or the age of majority where you live if higher.
• You must legally reside where Anthropic offers Claude.ai and not be subject to US export control or sanctions restrictions.
• Your GitHub account must be in good standing and at least two years old.
• You need public open-source activity (commits, PRs, reviews or releases) in the 90 days before you apply.
• You must maintain or contribute to at least one project under an OSI-approved license such as MIT, Apache 2.0, BSD or GPL.
• Anthropic employees, contractors and agents, and their immediate or household family members, cannot apply.

Downloads are counted across registries combined. A library with 120,000 monthly downloads on npm and 90,000 on PyPI reaches 210,000 and meets the 200,000 threshold, even though neither registry does on its own.

How to apply, step by step

1. Pick the single track that you meet most clearly. If you fit several, lead with the one that is easiest to verify from public links.
2. Collect evidence: repository URLs, registry pages, your foundation listing, or a link showing your merged PRs. Make sure your GitHub profile shows recent public activity within the last 90 days.
3. Open the application at claude.com/contact-sales/claude-for-oss and select Apply now. Use the Claude account you want the subscription on.
4. If you are applying under Ecosystem Impact, explain concretely who depends on your project, for example downstream packages, companies or distributions that ship it.
5. Wait. Review is rolling, there is no committed timeline, and Anthropic contacts only approved applicants. Duplicate applications are disregarded, so don't resubmit to speed things up.
6. If approved, activate the gift link within 90 days. Unactivated links expire and the subscription is forfeited.

After activation: dates, billing and the end of the benefit

• Benefit period: six consecutive months from the day you activate. Pausing or skipping months is not described.
• If you already pay: your Pro or Max subscription is paused, not canceled. It resumes at the end of the benefit period at your prior plan and rate unless you cancel. Anthropic says it will email you at least 30 days before paused billing resumes.
• If you were on the free plan: your account is upgraded in place and returns to the free plan afterwards unless you buy a plan.
• One per person: each person can hold only one active program subscription.
• Revocation: Anthropic can revoke the subscription for false information, artificially inflated metrics, multiple accounts, or breaches of its Terms of Service or Usage Policy, with no compensation.

A practical tip: put the end date in your calendar the day you activate. If you were on a paid plan and don't want it to restart at full price, cancel before the billing date in the reminder email.

Getting the most out of six months of Max 20x

• Install Claude Code early. Our Claude Code install guide covers setup; plan mode is useful for scoping large refactors before any file changes.
• Work the backlog. Use the higher limits for jobs maintainers rarely get to: stale issue triage, adding tests to untested modules, migrating deprecated APIs, and writing docs examples.
• Review contributions faster. Ask Claude to summarize a pull request, check it against your contributing guide and list edge cases to test.
• Keep it personal. The plan is for your own use. Wiring it into shared CI or giving other people access breaks the no-sharing rule.

History and changes

• Late February to early March 2026: Anthropic launches Claude for Open Source. Coverage at the time, such as The Deep View on March 3, 2026, cited thresholds of 5,000 GitHub stars or more than 1 million monthly npm downloads and said Anthropic would also accept high-impact projects that don't fit.
• Later in 2026: the official page moves to the five numeric tracks above (dependents, downloads, foundation roles, merged PRs, external contributors, OpenSSF score) plus the Ecosystem Impact route.
• October 17, 2026 (our last check): the terms state no fixed deadline, a cap of 10,000 approved recipients that Anthropic may raise, rolling review, and a 90-day activation window.

How it compares with other free routes

If you don't qualify, there are other ways to use Claude for less. Students should check the Claude student discount. Companies building products on the API should look at Claude for Startups, though direct applications there are closed as of October 2026. For a plain overview of what the free plan covers, see Is Claude free?. Maintainers who mainly want an AI coding assistant and are still at university can also compare the Copilot Student plan, which GitHub offers free to verified students.

Common mistakes

• Using a GitHub account younger than two years. The terms require an account at least two years old, so a new account created for the application won't qualify.
• No recent public activity. You need public contributions within the 90 days before you apply.
• Letting the gift link expire. It must be activated within 90 days or it is forfeited.
• Expecting a project-wide benefit. The subscription is individual. Each maintainer applies for their own.
• Inflating metrics. Artificially inflated stars, downloads or PR counts are grounds for revocation under the terms.