What the Diff vs Linear
A detailed comparison to help you choose between What the Diff and Linear.
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Verdict: Linear wins
Linear scores 4.5/5, edging out What the Diff at 3.7/5. Product and engineering teams roughly 5-500 people that ship on cycles and want a fast, keyboard-driven tracker with strong GitHub/GitLab integration and light-touch AI triage.
What the Diff AI code review summaries for GitHub PRs | Linear Fast issue tracking built for software teams | |
|---|---|---|
| Rating | 3.7 (1 review) | 4.5 (1 review) |
| Pricing Model | freemium | freemium |
| Starting Price | Free tier available | Free tier available |
| Best For | Engineering teams on GitHub or GitLab that want automatic pull request descriptions and stakeholder-friendly summaries without buying a full AI review platform. | Product and engineering teams roughly 5-500 people that ship on cycles and want a fast, keyboard-driven tracker with strong GitHub/GitLab integration and light-touch AI triage. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | free tierteam features | free tierteam featuresapi access |
| Visit What the Diff → | Visit Linear → |
What the Diff
Pros
- + PR descriptions were accurate enough in my testing to trust as a first read, and the token math matched the vendor's ~10 PRs per 25k tokens estimate
- + The /wtd inline refactor returned a clean committable patch for a commented line range, and sensibly refused cross-file scope instead of botching it
- + Slack summaries put non-technical teammates in the loop — I watched a simplified description land in a channel for someone who never opens diffs
- + Free tier of 25,000 tokens/month across unlimited repositories with no credit card is a real trial, not a teaser
- + States plainly that it stores neither code nor diffs, and offers a public changelog plus JSON feed for stakeholder updates
Cons
- - Summarization only: it will not catch bugs or flag dangerous changes — "error handling updated" hid a real policy swap in one of my PRs
- - Requires full repository access because GitHub and GitLab have no read-diff-only permission, which blocks stricter security postures
- - Tokens do not roll over and there is no auto-upgrade, so bursty months waste budget while quiet months strand it
- - No support for Bitbucket, Azure DevOps or self-hosted git — the coverage boundary is GitHub and GitLab only
Linear
Pros
- + Speed is real and measurable: ~5.4s issue creation vs 47s for Jira Cloud in GAX's May 2026 benchmark, and the keyboard-first flow matched that direction in my own use
- + Triage Intelligence does useful work — 73/81/84% assignee/project/label accuracy in one third-party test, and duplicate bug detection cut clutter in my runs
- + GitHub/GitLab integration auto-closes issues on PR merge (94% auto-link success in the same benchmark) so board state stays honest without manual updates
- + Free plan allows unlimited members, so the whole company can watch the board at $0, and paid entry (Basic $10/user/month yearly) removes the 250-issue cap
- + Structured discounts are real: 75% off for nonprofits and university staff, a free year for students, up to 6 months of Business free for partner-affiliated startups
Cons
- - Opinionated constraints bite at scale: one project and one assignee per issue, no multi-step approval gates, limited custom field types
- - No issue-level Gantt and no native release/fix-version management — teams approximate releases with labels, a common complaint in reviews
- - Reporting is thin below Business (Insights is $16/user tier) — no custom dashboards or multi-project rollups without BI export via API
- - Guests are billed as full members and there is no read-only viewer role, which inflates cost when stakeholders need visibility
- - Cloud-only with no self-hosting, no Linux desktop app, a thinner mobile app, and 2026 forum reports of slow first loads and sync bugs on rapid edits
Frequently Asked Questions
Which is better, What the Diff or Linear?▼
Linear scores higher at 4.5/5 vs 3.7/5 for What the Diff, making it the better-rated option in our comparison.
What is the difference between What the Diff and Linear?▼
What the Diff: What the Diff is a GitHub and GitLab app that reads a pull request and writes a plain-English summary of what changed. Linear: Linear is issue tracking and project planning for software teams, built around keyboard-driven speed and a strict, opinionated workflow.
Is What the Diff or Linear more affordable?▼
What the Diff starts at €0/mo, Linear starts at €0/mo. Check the comparison table above for current pricing.
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