What the Diff vs OpenHands
A detailed comparison to help you choose between What the Diff and OpenHands.
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Verdict: OpenHands wins
OpenHands scores 4.2/5, edging out What the Diff at 3.7/5. Engineering teams that want autonomous coding agents they can host, govern, and swap models or agent implementations behind — without committing to a closed vendor.
What the Diff AI code review summaries for GitHub PRs | OpenHands Open-source AI software development agent | |
|---|---|---|
| Rating | 3.7 (1 review) | 4.2 (1 review) |
| Pricing Model | freemium | free |
| Starting Price | Free tier available | Free |
| 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. | Engineering teams that want autonomous coding agents they can host, govern, and swap models or agent implementations behind — without committing to a closed vendor. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | free tierteam features | free tieropen sourcebyok |
| Visit What the Diff → | Visit OpenHands → |
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
OpenHands
Pros
- + MIT-licensed core with ~90,700 GitHub stars and 300+ contributors is the most credible open platform in the category
- + Agent Canvas runs OpenHands and third-party agents (Claude Code, Codex, Gemini CLI, any ACP agent) behind one control center — I switched backends without changing workflows
- + Sandboxed Docker execution with documented security hardening kept the agent's blast radius bounded in my local setup
- + Automations (scheduled and webhook-triggered, publishing to Slack/GitHub/Linear) worked as one configuration surface rather than bespoke CI jobs
- + Bring-your-own-LLM design keeps the platform provider-neutral on models and pricing
Cons
- - Self-hosting the free tier means your team owns hardening, upgrades, and incident response with community support only
- - Teams at $499/month for up to 10 users is capped at 5,000 sessions per month — heavy automation shops must price that out
- - Token costs for your chosen model are on top of any subscription and vary widely by task
- - The platform spans four repositories; contributors must learn the boundaries before touching anything
- - Agent Canvas is still labeled beta in the repository badges even as the surrounding platform matures
Frequently Asked Questions
Which is better, What the Diff or OpenHands?▼
OpenHands scores higher at 4.2/5 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 OpenHands?▼
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. OpenHands: OpenHands is an open-source AI software-development agent that reads a repository, writes and runs code and iterates on a task the way a developer would.
Is What the Diff or OpenHands more affordable?▼
What the Diff starts at €0/mo, OpenHands starts at €0/mo. Check the comparison table above for current pricing.
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