A side-by-side of two evals & testing for building AI agents — live GitHub data, languages, and what each is best at.
Short answer: promptfoo leads promptfoo vs DeepEval by community traction (★ 24k vs ★ 17k). Pick promptfoo for prompt evals; pick DeepEval for LLM unit tests.
✓ Live data verified
| promptfoo | DeepEval | |
|---|---|---|
| GitHub stars | ★ 24k | ★ 17k |
| Language | TypeScript | Python |
| Category | Evals & testing | Evals & testing |
| Best for | prompt evals | LLM unit tests |
| Repository | promptfoo/promptfoo | confident-ai/deepeval |
promptfoo and DeepEval are both credible choices. By community traction, promptfoo leads (★ 24k). Pick promptfoo for prompt evals; pick DeepEval for LLM unit tests.
Both are credible evals & testing. By community traction promptfoo leads (★ 24k). Pick promptfoo for prompt evals; pick DeepEval for LLM unit tests.
promptfoo is Test-driven prompt and agent development — evals, red-teaming, and side-by-side model comparison from the CLI.. DeepEval is Pytest-like framework for unit-testing LLM outputs with metrics for hallucination, relevancy, and bias..
promptfoo has more — ★ 24k vs ★ 17k (live counts).
Often yes — many teams combine evals & testing. Check each tool's docs for interop; they solve overlapping but not identical problems.
promptfoo is primarily TypeScript; DeepEval is primarily Python.
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