Comparison
prompts.chat vs prompt-optimizer
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
vs
| prompts.chat | prompt-optimizer | |
|---|---|---|
| Tagline | The world's largest open-source prompt library for AI | AI prompt optimizer |
| Stars | 165k | 32k |
| Forks | 21k | 3.7k |
| Open issues | 59 | 19 |
| Language | HTML | TypeScript |
| License | Other | Other |
| Last pushed | Jul 7, 2026 | Jul 6, 2026 |
| Categories | LLM Frameworks, Developer Tools | LLM Frameworks, Developer Tools |
Choose prompts.chat if…
- More widely adopted - 165k stars vs 32k.
- More recently updated (last pushed Jul 7, 2026).