Comparison
caveman vs promptfoo
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
vs
| caveman | promptfoo | |
|---|---|---|
| Tagline | Cuts 65% of tokens in AI coding agent responses. | Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. |
| Stars | 86k | 23k |
| Forks | 4.8k | 2.1k |
| Open issues | 370 | 402 |
| Language | JavaScript | TypeScript |
| License | MIT | MIT |
| Last pushed | Jul 3, 2026 | Jul 7, 2026 |
| Categories | LLM Frameworks, Developer Tools | Developer Tools, Evaluation & Observability |
Choose caveman if…
- More widely adopted - 86k stars vs 23k.
- Leaner open-issue backlog (370).
- Also covers LLM Frameworks.