Burt

Burt

Winter 2026

Easily fine tune and deploy specialized models

Machine LearningReinforcement LearningAI

About Company

We help teams train and deploy models specialized for their domain and use cases. Generalist, proprietary models are impressive and have their place but at production scale and usage you need your AI agents to be powered by models that are specialists. Models you own, trained on your data, that can continuously improve for your use cases. We've helped teams build small, specialized LLMs/VLMs that outperform SOTA models like gemini-3-flash/pro while being 10x faster and cheaper.

Active Founders

Kurt Sharma

Kurt Sharma

Founder

Co-Founder & CTO at Burt Studied EECS at UC Berkeley. Previously @ Replo (YC S21) building high-throughput data pipelines and sandboxed code manipulation systems. Now helping teams build specialized models.

Bobby Zhong

Bobby Zhong

Founder

Co-Founder & CEO at Burt Studied CS at UCI before dropping to join Pirros (YC W23) as their 2nd engineer. Then joined Replo (YC S21) to build coding agents and wrangle LLMs. Now helping teams build specialized models

Company Facts

LocationSan Francisco, CA, USA
Team Size2
Founded2025
StatusActive