Comparison
prompts.chat vs sim
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| prompts.chat | sim | |
|---|---|---|
| Tagline | The world's largest open-source prompt library for AI | Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforce. |
| Stars | 165k | 29k |
| Forks | 21k | 3.7k |
| Open issues | 59 | 218 |
| Language | HTML | TypeScript |
| License | Other | Apache-2.0 |
| Last pushed | Jul 7, 2026 | Jul 7, 2026 |
| Categories | LLM Frameworks, Developer Tools | AI Agents, Developer Tools |
Choose prompts.chat if…
- More widely adopted - 165k stars vs 29k.
- Leaner open-issue backlog (59).
- Also covers LLM Frameworks.