A agentindex
Comparison

DeepEval (Confident AI) vs promptfoo

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

DeepEval (Confident AI)

Open-source unit tests for LLMs.

  • + Pytest-style DX, fits existing test suites
  • + Open source metric library
  • − Confident AI cloud is proprietary
  • − Setup for custom metrics takes work

promptfoo

Test and red-team LLM apps, prompts, and agents.

  • + Red-team scanning for prompt injection and jailbreaks
  • + Compares prompts and models side by side with assertion-based testing
  • − Test authoring requires upfront investment
  • − CLI-first; no hosted dashboard
Spec DeepEval (Confident AI) promptfoo
Role Evaluation Evaluation
Tags evaluation, library, persona-data-scientist, persona-platform-engineer evaluation, guardrails, persona-data-scientist, persona-platform-engineer
License Apache-2.0 MIT
Open source Yes Yes
Self-hostable Yes Yes
MCP support No No
Pricing free free
Price Free tier Free
Usage cost Included No model cost
Models multi multi
Languages python typescript
GitHub stars 16.6k 22.9k
Last activity 2026-07-02 2026-07-04