Bolt.diy vs Builder.io Fusion
as AI assistants see them, week of 2026-09-14
Head to head
| metric | Bolt.diy | Builder.io Fusion |
|---|---|---|
| score | 3 | 2 |
| questions won | 2 | 2 |
By assistant
Bolt.diy
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 3 | 5% of answers | #5.0 |
| Claude | 4 | 10% of answers | #17.0 |
| Gemini | not sampled this week | ||
| Perplexity | 3 | 5% of answers | #6.0 |
Builder.io Fusion
| assistant | score | named in, this week | usual spot, this week |
|---|---|---|---|
| ChatGPT | 2 | 5% of answers | #8.0 |
| Claude | 5 | 10% of answers | #9.0 |
| Gemini | not sampled this week | ||
| Perplexity | 0 | 0% of answers |
Where they differ
Only Bolt.diy gets named for
- What's the best open-source AI app builder I can self-host?
Only Builder.io Fusion gets named for
- What's the best AI tool to turn a design mockup into a working app?
More comparisons
- a0.dev vs Bolt.diy
- Bolt.diy vs Draftbit
- Bolt.diy vs Emergent
- Bolt.diy vs Figma Make
- Bolt.diy vs Firebase Studio
- Builder.io Fusion vs CatDoes
Not sold on either?
Scores count how often each assistant names a product, weighted by position. How the score works · Full AI app builders leaderboard