Simbench
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Test your AI agent with simulated customer conversations
Simbench is the agentic testing platform for teams that want predictable performance.
Your real customer conversations are multi-turn,
so why aren't your evals?
AI agent performance degrades substantially in multi-turn conversational scenarios.
Simbench makes sure you're ready.
Built for simulations
Unlike other eval tools, Simbench is purpose-built to make it incredibly easy to write, run, and iterate on simulation scenarios.
Realism made easy
If your simulations aren't realistic, your evals aren't measuring much. Use Simbench's pre-built personas that chat and act like real customers. Or take full control and define your own.
Evals with or without code
Run evals locally via our SDK or entirely from the cloud against your agent API endpoint.
Full control for engineers. Simple for PMs.