Agent Eval Is Completely Free — Here's What You Get

Name: Agent Eval
Brand: Agent Eval
Availability: InStock

⚡ Quick Verdict

Agent Eval is completely free with 3 features included. No paid tiers offered, making it perfect for budget-conscious users.

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✓Only dedicated AI agent evaluation toolkit built for .NET and Microsoft Agent Framework
✓Stochastic evaluation handles the non-deterministic nature of AI agents properly
✓192 OWASP-mapped security probes catch prompt injection and jailbreak vulnerabilities
✓Trace record/replay eliminates API costs for regression testing in CI/CD
✓Fluent .Should() assertion syntax makes tests readable by non-developers
✓MIT licensed with a public 'forever open source' commitment
✓Model comparison recommends the cheapest LLM that meets your quality threshold

⚠.NET only. Python and JavaScript developers need different tools entirely
⚠Small community and new project with limited third-party resources
⚠No commercial support tier available yet (planned but unpriced)
⚠Stochastic evaluation multiplies LLM API costs if you don't use trace replay
⚠Heavy Microsoft ecosystem focus may limit adoption outside enterprise .NET shops

While currently free, pricing models can change. Agent Eval may introduce paid tiers in the future as they expand features.

Agent Eval offers core testing & quality features at no cost. Paid alternatives may provide more advanced functionality or premium support.

Agent Eval may have usage limitations, reduced support, or be supported through other revenue streams. Always check the terms of service.

It's completely free — no credit card required.

Last verified March 2026

What Users Say About Agent Eval

✓Only dedicated AI agent evaluation toolkit built for .NET and Microsoft Agent Framework
✓Stochastic evaluation handles the non-deterministic nature of AI agents properly
✓192 OWASP-mapped security probes catch prompt injection and jailbreak vulnerabilities
✓Trace record/replay eliminates API costs for regression testing in CI/CD
✓Fluent .Should() assertion syntax makes tests readable by non-developers
✓MIT licensed with a public 'forever open source' commitment
✓Model comparison recommends the cheapest LLM that meets your quality threshold

⚠.NET only. Python and JavaScript developers need different tools entirely
⚠Small community and new project with limited third-party resources
⚠No commercial support tier available yet (planned but unpriced)
⚠Stochastic evaluation multiplies LLM API costs if you don't use trace replay
⚠Heavy Microsoft ecosystem focus may limit adoption outside enterprise .NET shops

Frequently Asked Questions

While currently free, pricing models can change. Agent Eval may introduce paid tiers in the future as they expand features.

Agent Eval offers core testing & quality features at no cost. Paid alternatives may provide more advanced functionality or premium support.

Agent Eval may have usage limitations, reduced support, or be supported through other revenue streams. Always check the terms of service.