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Tracer

YC S26

San Francisco, US · Founded 2026 · 1 employees · 7 known investors

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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.

Also known as Tracer AI, Inc.

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

Founders & leadership· Y Combinator alumni (S26)

AR
Adam RidaCEO

Investors · 7

Vela Partnerslisted by Vela PartnersSan Francisco · $100K – $500K
BDMIreportedNew York · $500K – $5M

How we know: funding news · Not right? Tell us

NewRoad Capital Partners, LLCreportedBentonville · $5M – $25M

How we know: funding news · Not right? Tell us

Progress VenturesreportedBoston

How we know: funding news · Not right? Tell us

S4S VenturesreportedNew York

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Thirty Five VenturesreportedNew York

How we know: businessinsider.com · Not right? Tell us

Funding

SEC filings, press & company announcements

$18.1M disclosed across 1 of 4 rounds · 2021–2024

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 7

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MindsDBMindsDB builds open-source infrastructure for AI-augmented analytics and data work, enabling users to interact with their data through natural language. The platform serves data engineers, analysts, and SQL users who want to leverage AI as a collaborative partner without moving their data.
ZoftwareZoftware is a B2B discovery and rating platform that helps users compare, review, and select IT software providers and system integrators. The platform catalogs over 500 software categories and 25,000 IT solution providers, and offers implementation support, IT recruitment, and managed services primarily for the Middle East market.
Evidently AIEvidently is an open-source library for monitoring machine learning models in production, offering 100+ built-in metrics for data quality, model drift detection, and performance tracking. It serves ML teams and data scientists across enterprises and startups who need to monitor models throughout the ML lifecycle.
Vibe KanbanVibe Kanban is a project management platform designed for teams working with AI coding agents, enabling parallel agent workflows and human review of AI-generated code. It provides tools for organizing work, managing multiple coding agents simultaneously, and reviewing automated code changes.
Chaos GeniusFlexera provides cost optimization and FinOps management for Databricks deployments, offering visibility, allocation, and recommendations to reduce cloud data platform spending across AWS, Azure, and Google Cloud.
SumbleSumble provides GTM teams with a structured view of target accounts, mapping teams, reporting lines, technologies in use, hiring activity, and buying signals so reps can identify decision-makers and personalize outreach. It serves sales, growth, RevOps, and GTM teams selling into technical or complex accounts.

Companies working in the same space as Tracer.

Legal entities · 1

corporate structure
Tracer AI, Inc.

In the news

Tracer: Fable-level AI at 1/3 the cost using open-weight modelsycombinator.com · Jul 2026

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, Vela Partners, BDMI, NewRoad Capital Partners, LLC, Progress Ventures, S4S Ventures, Thirty Five Ventures.
How much funding has Tracer raised?
Tracer has disclosed $18.1M raised across 1 of its 4 known rounds.
Where is Tracer headquartered?
Tracer is headquartered in San Francisco, US.