kitio.aicubic vs What The Diff
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. What The Diff has the lower starting price: about $19 a month, against $40 for cubic.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Inline PR comments
- Auto PR descriptions
- Learns team preferences
- Custom context
- IDE reviews
- PR descriptions
- Inline code refactoring
- Team summaries
- GitHub and GitLab support
- Slack and webhook alerts
| Feature | cubic | What The Diff |
|---|---|---|
| Best for | AI code reviewer that learns how your team reviews | AI pull request descriptions and code review for GitHub and GitLab |
| Category | Coding | Coding |
| Pricing model | Freemium | Freemium |
| Starting price | $40/mo | $19/mo |
| Free plan | Yes | Yes |
| Made by | cubic | What The Diff |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
What The Diff has the lower starting price: about $19 a month, against $40 for cubic.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Starter
Free
- 20 PRs reviewed / month
- 5 custom review agents
- AI PR reviews and descriptions
Team
$30/dev/mo, billed yearly
- Per developer
- 40k reviewed lines / developer
- Ultrareviews and auto approvals
- 7-day trial
Pro
$79/dev/mo, billed yearly
- Per developer
- 80k reviewed lines / developer
- Fix with coding agents
- Codebase scans for 3 repos
Max
$160/dev/mo, billed yearly
- Per developer
- 160k reviewed lines / developer
- Everything in Pro
Enterprise
Custom
- Custom review allowance
- Custom MSA, DPA, payment terms
- Compliance audit exports
- Bring your own API keys
2 plans
Free
Free
- 25,000 tokens a month
- Unlimited repositories
- Automated PR descriptions
Pro
$19/mo
- 200,000 tokens a month
- Instant code refactoring
- Slack, webhook and email alerts
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
cubic
- Few false positives
- Adapts to team habits
- Free for public repos
- GitHub focus
- Pricier than basic bots
What The Diff
- Writes PR descriptions automatically
- Works on GitHub and GitLab
- Unlimited repositories on every plan
- Token limits cap monthly use
- Free plan is rate limited
- Not a full code review replacement
Which one should you choose?
Choose cubic if you want:
- Few false positives
- Adapts to team habits
- Free for public repos
Watch out: github focus.
Choose What The Diff if you want:
- Writes PR descriptions automatically
- Works on GitHub and GitLab
- Unlimited repositories on every plan
Watch out: token limits cap monthly use.
cubic vs What The Diff FAQ
What is the difference between cubic and What The Diff?
cubic: AI code reviewer that learns how your team reviews. What The Diff: AI pull request descriptions and code review for GitHub and GitLab. Both are coding tools.
Is cubic or What The Diff cheaper?
What The Diff has the lower starting price: about $19 a month, against $40 for cubic.
Do cubic and What The Diff have free plans?
cubic: Yes. What The Diff: Yes.
Who makes cubic?
cubic is made by cubic, based in United States.
Who makes What The Diff?
What The Diff is made by What The Diff.
Which should I choose, cubic or What The Diff?
Choose cubic if you value few false positives and adapts to team habits. Choose What The Diff if you value writes pr descriptions automatically and works on github and gitlab.