Fundraising Fox

Tracer

YC S26

San Francisco, US · Founded 2026 · 1 employees · 5 known investors

tracerml.ai

Tracer is a research lab building Echo, an inference system that coordinates open-weight models behind a single OpenAI-compatible endpoint for chat, code, and agent workloads. It focuses on allocating computation and coordinating complementary models to improve performance per token for teams running AI in production.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareMachine LearningOpen SourceAIUnited States of AmericaAmerica / Canada

Investors · 5

Funding

SEC filings, press & company announcements

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Competitors · 2

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Frequently asked questions

What does Tracer do?
Tracer is a research lab building Echo, an inference system that coordinates open-weight models behind a single OpenAI-compatible endpoint for chat, code, and agent workloads. It focuses on allocating computation and coordinating complementary models to improve performance per token for teams running AI in production.
Who are Tracer's investors?
Tracer's investors include Y Combinator, BDMI, NewRoad Capital Partners, LLC, Progress Ventures, S4S Ventures.
Where is Tracer headquartered?
Tracer is headquartered in San Francisco, US.