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Klavis AI

Live Environments for Training AI Agents

Y CombinatorSpring 2025ActiveB2BArtificial IntelligenceReinforcement LearningData ScienceAI

What they do

Problem

Frontier AI labs lack realistic live environments and long-horizon tool-use data needed to train and evaluate capable AI agents.

Solution

A platform that provides real-world MCP-based live training environments and complex agentic tool-use datasets for AI agent development.

Who it's for

Frontier AI research labs and organizations building and training advanced AI agents.

Founders

Xiangkai Zeng
Founder

Co-founder @ Klavis AI. Previously Senior Software Engineer on Google Gemini at Google Deepmind. Co-authored Gemini paper. I have a CS MS from Carnegie Mellon University. I have a Bachelor of Engineering in Computer Science and Technology from Beihang University.

Zihao Lin
Founder

Co-Founder at Klavis AI 1. Senior Software Engineer at Lyft, tech lead at Lyft recommendation team and Nordstrom data infra team, building product supports millions of users in the last 5 years. 2. CS MS from Northeastern University, Bachelor of Engineering in Computer Science and Technology from Beihang University. 3. The President of the Computer Science Student Council (CSSC) at Beihang University. Research Experience at the NLP Lab and Internship at Baidu.

Open roles 1

Founding Engineer
San Francisco, CA, US / Remote (US) · Full-time · $150K - $200K · 0.50% - 1.00%
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