Chroma vs promptfoo
Side-by-side comparison with live GitHub signals. Last updated May 16, 2026.
| Metric | Chroma | promptfoo |
|---|---|---|
| GitHub Stars | 28.0K | 21.3K |
| Contributors | 183 | 278 |
| Last Commit | May 15, 2026 | May 16, 2026 |
| Open Issues | 625 | 268 |
| License | open-source | open-source |
| Pricing | freemium | open-source |
| Free Tier | Yes | Yes |
| Category | dev-tools | dev-tools |
| Trending | No | No |
Shared Tags
open-source
Only in Chroma
vector-databaseembeddingsragsimilarity-searchpython
Only in promptfoo
evaluationtestingred-teamingsecurityci-cd
About Chroma
Chroma is the open-source vector database built for AI applications. Store embeddings alongside metadata, perform similarity search, and build RAG pipelines with a simple Python/JavaScript API. Runs locally or as a hosted service, with built-in support for automatic embedding generation.
View full listingAbout promptfoo
promptfoo is an open-source tool for testing, evaluating, and red-teaming LLM applications. Run automated evaluations across multiple models and prompts, compare outputs side-by-side, detect regressions, and test for security vulnerabilities. Supports custom assertions, CI/CD integration, and model-graded evaluations.
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