What The Diff Free plan

What The Diff is an AI app that reads a pull request's diff and writes a plain-English description. Its Free plan gives 25,000 tokens a month.

What The DiffUpdated monthly · checked 22 h ago

What The Diff Free plan is a developer tools perk from What The Diff, offering 25,000 tokens a month (free), with no funding required.

Value: 25,000 tokens
Who qualifies: No funding needed
Benefit type: Free plan
Terms: Verified

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While you apply

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What you get

Inside What The Diff Free plan

The Free plan is $0 a month and includes 25,000 tokens per month (about 10 pull requests), unlimited repositories, automated PR descriptions and inline code refactoring.
It is rate limited, and no credit card is required.
Pro is $19 a month for 200,000 tokens per month (about 40 pull requests), with Slack, webhook and email notifications.

Source: The provider's official program page

Eligibility

Who it's for

Free plan Any repo Any startup

Funding / backing: No funding needed
Geography: Global
Recurring / expiry: 25,000 tokens per month; unused tokens do not roll over.
Other requirements: Unused tokens do not roll over to the next month, and the free plan is rate limited.

How to claim

How to apply for What The Diff Free plan

Steps to apply

1Sign up free on whatthediff.ai.
2No credit card required.

Good to know: Plans read on whatthediff.ai/pricing on October 28, 2026.

Apply at What The Diff

Source: The provider's official program page

Value is the headline maximum What The Diff advertises. What your company actually receives depends on your eligibility and how you use the program, and terms can change. A comparison, not endorsed by the programs listed. A link labeled as a referral link may earn us a commission, and a program labeled Same owner comes from the company that runs StartupPerks. Confirm current terms on the provider's page.

Questions

What The Diff Free plan: common questions

What do you get with What The Diff Free plan?

What The Diff Free plan offers 25,000 tokens a month (free). The Free plan is $0 a month and includes 25,000 tokens per month (about 10 pull requests), unlimited repositories, automated PR descriptions and inline code refactoring. It is rate limited, and no credit card is required. Pro is $19 a month for 200,000 tokens per month (about 40 pull requests), with Slack, webhook and email notifications.

Who qualifies for What The Diff Free plan?

What The Diff Free plan is open to any startup, with no funding required. Unused tokens do not roll over to the next month, and the free plan is rate limited.

Do I need to be VC-backed or in an accelerator to get What The Diff Free plan?

No. What The Diff Free plan is open to any startup that meets the stated criteria, no investor or accelerator backing required.

How do I apply for What The Diff Free plan?

How long do I have to use What The Diff Free plan, and does it expire?

25,000 tokens per month; unused tokens do not roll over.

Is What The Diff Free plan available outside the US?

What The Diff Free plan is available globally, subject to the provider's terms.

Free AI code review, comparedWhat The Diff's free plan next to every other free code review toolWhat each AI code review tool gives you free today, its main limit and what the first paid plan costs, read from each tool's own page.