kitio.aiWitsy vs AI2AI Project
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Witsy is completely free, while AI2AI Project is paid.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Desktop AI assistant
- MCP client
- Open source code
- Two-character AI conversations
- Per-character model choice
- Custom voices and avatars
- Saved and shareable sessions
| Feature | Witsy | AI2AI Project |
|---|---|---|
| Best for | Desktop AI assistant that doubles as a universal MCP client | Desktop app that lets two AI characters hold a conversation |
| Category | Chat assistants | Chat assistants |
| Pricing model | Free | Paid |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | No |
| Made by | Kochava Studios | AI2AI Project |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Witsy is completely free, while AI2AI Project is paid.
Free plan
Cheapest paid plan
Top plan
Free trial
1 plan
Pay as you go
From $0.01 / minute
- $1 credit for new users
- Billed per full minute
- Top up by card
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
Witsy
- Open source
- Works as an MCP client
- Runs as a desktop app
- Limited documentation visible on the repo header
- Setup is more technical than hosted chat tools
- Provider list not confirmed here
AI2AI Project
- Mix models from several providers
- $1 starting credit for new users
- Pay only for minutes used
- Requires a desktop download
- Basic website with little documentation
- Mostly a novelty use case
Which one should you choose?
Choose Witsy if you want:
- Open source
- Works as an MCP client
- Runs as a desktop app
Watch out: limited documentation visible on the repo header.
Choose AI2AI Project if you want:
- Mix models from several providers
- $1 starting credit for new users
- Pay only for minutes used
Watch out: requires a desktop download.
Witsy vs AI2AI Project FAQ
What is the difference between Witsy and AI2AI Project?
Witsy: Desktop AI assistant that doubles as a universal MCP client. AI2AI Project: Desktop app that lets two AI characters hold a conversation. Both are chat assistants tools.
Is Witsy or AI2AI Project cheaper?
Witsy is completely free, while AI2AI Project is paid.
Do Witsy and AI2AI Project have free plans?
Witsy: Yes, fully free. AI2AI Project: No.
Who makes Witsy?
Witsy is made by Kochava Studios.
Who makes AI2AI Project?
AI2AI Project is made by AI2AI Project.
Which should I choose, Witsy or AI2AI Project?
Choose Witsy if you value open source and works as an mcp client. Choose AI2AI Project if you value mix models from several providers and $1 starting credit for new users.