A agentindex
Comparison

Maxim AI vs promptfoo

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

Maxim AI

Evaluation and simulation for AI agents.

  • + Simulation and prompt-testing focus
  • + Good pre-production workflows
  • − Proprietary
  • − Narrower than full observability suites

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 Maxim AI promptfoo
Role Evaluation Evaluation
Tags evaluation, persona-data-scientist, persona-platform-engineer evaluation, guardrails, persona-data-scientist, persona-platform-engineer
License Proprietary MIT
Open source No Yes
Self-hostable No Yes
MCP support No No
Pricing freemium free
Price Free tier Free
Usage cost No model cost No model cost
Models multi multi
Languages python, typescript typescript
GitHub stars — 22.9k
Last activity — 2026-07-04