From the proofagent blog

Practical guides on AI agent evaluation, safety testing, skill benchmarks, and keeping costs under control.

2026-03-18
Promptfoo Was Acquired by OpenAI. Here Are Your Options.
Promptfoo is now owned by the company whose models you're evaluating. Here's what that means and the best independent alternatives.
2026-03-12
How to Test Your AI Agent for Safety
A step-by-step guide to running refusal, bias, and hallucination tests against any LLM-powered agent.
2026-03-14
How Much Does AI Agent Evaluation Cost?
Real cost breakdowns for eval suites across models, plus strategies to cut your testing bill by 80%.
2026-03-16
Proving Your AI Agent's Skills: A Developer's Guide
Safety leaderboards prove refusal, but not competence — here's how to benchmark coding, reasoning, and writing.

Start testing your AI agent in under a minute.

pip install proofagent