kitio.aiDosu vs regex.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. regex.ai is completely free, while Dosu is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Self-documenting PRs
- Shared agent knowledge
- Custom doc templates
- Command-line tool
- Slack and Notion integrations
- Regex from highlighted examples
- Several candidate patterns
- Match preview
- 4,000-character input
| Feature | Dosu | regex.ai |
|---|---|---|
| Best for | Shared knowledge layer that keeps docs and coding agents current | AI regular expression generator that works from highlighted text |
| Category | Coding | Coding |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Dosu | Liberty Labs |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
regex.ai is completely free, while Dosu is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- 200 credits per month
- Self-documenting PRs
- Public repositories only
Pro
$16/mo billed yearly
- 4,000 credits per month
- Private repositories
- Slack, Confluence and Notion
- Free trial
Enterprise
Custom
- SSO and custom RBAC
- Audit logs
- Custom integrations
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Dosu
- Updates docs as code changes
- Works with coding agents through a CLI
- Free plan for public repositories
- Connects to Slack, Notion and Confluence
- Free plan covers public repositories only
- Usage is metered in credits
- Savings figures come from the vendor's own tests
regex.ai
- Learns from examples instead of syntax
- Shows several candidate patterns
- Quick to try
- Input limited to 4,000 characters
- Site looks unmaintained since 2023
- Pricing not stated on the page
Which one should you choose?
Choose Dosu if you want:
- Updates docs as code changes
- Works with coding agents through a CLI
- Free plan for public repositories
Watch out: free plan covers public repositories only.
Choose regex.ai if you want:
- Learns from examples instead of syntax
- Shows several candidate patterns
- Quick to try
Watch out: input limited to 4,000 characters.
Dosu vs regex.ai FAQ
What is the difference between Dosu and regex.ai?
Dosu: Shared knowledge layer that keeps docs and coding agents current. regex.ai: AI regular expression generator that works from highlighted text. Both are coding tools.
Is Dosu or regex.ai cheaper?
regex.ai is completely free, while Dosu is freemium.
Do Dosu and regex.ai have free plans?
Dosu: Yes. regex.ai: Yes, fully free.
Who makes Dosu?
Dosu is made by Dosu.
Who makes regex.ai?
regex.ai is made by Liberty Labs.
Which should I choose, Dosu or regex.ai?
Choose Dosu if you value updates docs as code changes and works with coding agents through a cli. Choose regex.ai if you value learns from examples instead of syntax and shows several candidate patterns.