Letta vs Rasa
as AI assistants see them, week of 2026-09-14
Head to head
| metric | Letta | Rasa |
|---|---|---|
| score | 3 | 2 |
| questions won | 3 | 2 |
By assistant
Letta
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 0 | 0% of answers | |
| Claude | 8 | 15% of answers | #7.3 |
| Gemini | 3 | 8% of answers | #11.0 |
| Perplexity | 0 | 0% of answers |
Rasa
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 2 | 5% of answers | #11.0 |
| Claude | 0 | 0% of answers | |
| Gemini | 0 | 0% of answers | |
| Perplexity | 7 | 11% of answers | #4.0 |
Where they differ
Only Letta gets named for
- What's the best way to give an AI agent memory across sessions?
- What are the best open-source AI agent frameworks?
Only Rasa gets named for
- What's the best AI agent builder in 2026?
More comparisons
- Letta vs Taskade Genesis
- Letta vs xpander.ai
- Bland vs Letta
- Botpress vs Letta
- Coze vs Letta
- Botpress vs Rasa
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full AI agent builders leaderboard