Ninja AI vs Letta
Side-by-Side
Ninja AI
7.6/10
- Tagline
- An all-in-one AI agent that handles research, writing, coding and image tasks in one polished app
- Rating
- 7.6/10
- Pricing Model
- freemium
- Starting Price
- $5/mo
- Free Version
- Yes
- Free Trial
- Yes
- API Available
- No
- API Pricing
- —
- CLI Support
- No
- MCP Support
- No
- Open Source
- No
- Platforms
- Web, iOS, Android
- Category
- ai-agents
Letta
9.2/10
- Tagline
- Machines that learn
- Rating
- 9.2/10
- Pricing Model
- freemium
- Starting Price
- $20/mo
- Free Version
- Yes
- Free Trial
- No
- API Available
- Yes
- API Pricing
- pay-as-you-go
- CLI Support
- Yes
- MCP Support
- Yes
- Open Source
- Yes
- Platforms
- Web, Linux, macOS
- Category
- ai-agents
| Feature | NNinja AI | LLetta |
|---|---|---|
| Tagline | An all-in-one AI agent that handles research, writing, coding and image tasks in one polished app | Machines that learn |
| Rating | 7.6/10 | 9.2/10 |
| Pricing Model | freemium | freemium |
| Starting Price | $5/mo | $20/mo |
| Free Version | Yes | Yes |
| Free Trial | Yes | No |
| API Available | No | Yes |
| API Pricing | — | pay-as-you-go |
| CLI Support | No | Yes |
| MCP Support | No | Yes |
| Open Source | No | Yes |
| Platforms | Web, iOS, Android | Web, Linux, macOS |
| Category | ai-agents | ai-agents |
| Visit | Visit Ninja AI → | Visit Letta → |
This is an automated comparison. We haven't written an editorial verdict yet. For deeper analysis, see each tool's individual review: Ninja AI and Letta.