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Kashikoi

Kashikoi is a YC Spring 2025 (P25) company. Based in San Francisco, CA, USA. Team of 2.

  • Artificial Intelligence
  • Developer Tools
  • Generative AI
  • Machine Learning

About Kashikoi

GPAgent's own fund-neutral profile, written from public information. Updated Oct 5, 2026.

Summary

Kashikoi builds a simulation engine that benchmarks AI agents for B2B software teams. It generates world models that autonomously conduct interviews with agents and produce detailed behavioral assessments across accuracy, context understanding, and edge-case handling. This replaces manual evaluation workflows, letting teams test and ship agents without writing evaluation code or monitoring runs by hand.

Business model

Omitted: pricing structure not specified in sources.

Go-to-market

AI product teams and developers initiate evaluation by submitting a single prompt, with no code required, and can book a demo directly through the site.

From the Y Combinator listing

How Kashikoi describes itself in Y Combinator's public directory. Original listing (opens in a new tab)

Simulation Engine for Benchmarking AI Products

Kashikoi is a simulation engine to benchmark AI agents. We generate CPU friendly world models that autonomously interview agents and generate deep behavioral assessments. We built a similar technology at Moveworks which was used to ship 250+ enterprise agents to customers daily.

Facts

Industry
B2B / B2B
Location
San Francisco, CA, USA
Team size
2
Status
Active
Stage
Early

Founders (2)

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