Yes, What The Diff has a permanent free tier alongside its paid plans. The free plan includes 25,000 tokens per month (~10 PRs). FreeTier.co estimates the free tier at about $4.00/mo, and no credit card is required to sign up.
About
What The Diff is an AI-assisted pull request review tool that reads GitHub or GitLab diffs through the provider API and generates plain-English PR descriptions, summary notifications, weekly progress reports, and inline refactoring suggestions. It also exposes a public changelog and a JSON API for internal consumption.
The free plan includes 25,000 tokens per month, which is described as roughly 10 pull requests, with no credit card required. The plan is rate limited and includes unlimited repositories and inline code refactoring, while larger paid plans increase the monthly token allowance.
- 25,000 tokens per month
- Approximately 10 pull requests
- Unlimited repositories
- Inline code refactoring
- Rate-limited free plan
Free Tier Value
This free tier is a capped monthly allowance, not an unlimited plan: it resets every month, includes no credit-card friction, and gives enough usage for roughly 10 pull requests. Compared with the $19/month Pro plan, 25,000 tokens is about 12.5% of the paid quota, so the free tier is worth about $4/month in practical terms.
What's included in the free tier
Verified
- Unlimited repositories
- Inline code refactoring
- 25,000 tokens per month (~10 PRs)
- No credit card required
- Rate limited
See What The Diff pricing for current limits.
Paid plans
Pro – 200k
- tokens per month
- 200,000
- pull requests
- ~40
- Unlimited repositories
- Instant code refactoring
- Slack, Webhook and Email notifications
- Priority email support
Pricing extracted from What The Diff's pricing page. Always verify current pricing before committing.
Common questions
Is What The Diff free forever?
Yes. What The Diff has a permanent free tier alongside its paid plans, though the allowance typically resets each month.
Does What The Diff require a credit card?
No. You can start on What The Diff's free tier without entering card details.
What happens when you exceed What The Diff's free tier?
You move to a paid plan. What The Diff's cheapest paid plan is Pro – 200k at $19 / month.
What is What The Diff's free tier worth?
What The Diff's free tier is worth about $4.00 per month. That maps to an FTV score of 53/100. The FTV score is explained at freetier.co/ftv.
