Home Companies Tracer Tracer Active · Combining open-source AI models for better answers at lower cost
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went through YC Program · this site +4 A sum of public facts, not a judgement and not investment advice.
Competitors Companies closest to Tracer Company Category Status Program RightNow Shared: source model, research lab, machine learning YC F26 · · AI, Devtools AI, Devtools YC F26 ego Shared: lab building, research lab, model YC W24 · · AI AI YC W24 Most Robotic Shared: lab building, research lab YC S26 · · AI AI YC S26 Naïve Shared: lab building, research lab, capable YC X25 · · AI, Devtools AI, Devtools YC X25 Stellon Labs Shared: source model, research lab, open YC S25 · · AI, Devtools AI, Devtools YC S25
Adjacent Developer tools Acquired PullRequest Shared: lower cost, combining, code AI Martian Shared: lower cost, model, multiple AI cmux Shared: lab building, open, source Developer tools Reflection AI Shared: research lab, open, accessible AI Inactive Mystic Shared: source model, machine learning, open Companies next to Tracer Company Category Status Program PullRequest Shared: lower cost, combining, code YC S17 · · Devtools Devtools YC S17 Martian Shared: lower cost, model, multiple Plug and Play · Not stated · AI AI Not stated Plug and Play cmux Shared: lab building, open, source YC S24 · · AI, Devtools AI, Devtools YC S24 Reflection AI Shared: research lab, open, accessible Arc Arc 2024 +1 · Not stated · Devtools Devtools Not stated Arc +1 Arc 2024 Mystic Shared: source model, machine learning, open YC W21 · · AI, Devtools AI, Devtools YC W21
Company Category Status Agnost AI We find where AI agents fail, then train better models to run them. 2 programs team of 2 · AI, Data, Devtools AI, Data, Devtools Autoresearch, Inc. Autoresearch as a service: we solve your hardest measurable problems team of 3 · AI, Devtools AI, Devtools Belvedir Autonomous AI Model Training team of 2 · AI AI CoArena The biggest crowdsourced benchmark for Computer-Use team of 2 · AI, Data, Devtools AI, Data, Devtools Datoric The training data R&D engine for physical AI team of 2 · AI, Data AI, Data DeepReach Inc. Network for Physical AI Data Business team of 6 hiring · AI AI
About Tracer Tracer is an AI research lab building more capable and efficient AI through model coordination. We research adaptive inference, ensembling, and systems in which multiple open-source models work together to produce capabilities beyond any single model.
Our work spans reasoning, code, research, and agentic systems, with the goal of making advanced intelligence more accessible and economical.
YC batch S26 · Summer 2026 Status, per YC Active Category AI, Developer tools Team size 1 Location San Francisco, CA, USA Founded 2026 Checked 6h ago YC tags: Machine Learning , Open Source , AI
Tracer in S26: 229 companies, 88% AI
Tracer: questions Which YC batch was Tracer in? Tracer was in Y Combinator's Summer 2026 batch (S26).
Is Tracer still active? Y Combinator lists Tracer as active.
Who founded Tracer? Tracer's founders, as listed on its YC page: Adam Rida (Founder/CEO).
Where is Tracer based? Tracer lists San Francisco, CA, USA as its location on YC's directory.
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