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14,448 startups · 29 programs

Synthetic Sciences

Active · Infrastructure for Autonomous Science

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 8
  • went through YCProgram · this site+4
  • team of 4Team size · YC's directory+3.6

A sum of public facts, not a judgement and not investment advice.

Competitors

AINaïveShared: lab building, research lab, autonomousYC X25San FranciscoStartup →AIegoShared: lab building, research lab, syntheticYC W24San FranciscoStartup →AIUnicorn BioShared: scientific superintelligenceEF 2021LondonStartup →AIMost RoboticShared: lab building, research lab, possibleYC S26San FranciscoStartup →AIMonteShared: lab building, research lab, reinforcement learningYC S25San FranciscoStartup →
Companies closest to Synthetic Sciences
Company
NaïveShared: lab building, research lab, autonomousYC X25ActiveAI, Devtools
egoShared: lab building, research lab, syntheticYC W24ActiveAI
Unicorn BioShared: scientific superintelligenceEF 2021Not statedAI
Most RoboticShared: lab building, research lab, possibleYC S26ActiveAI
MonteShared: lab building, research lab, reinforcement learningYC S25ActiveAI, Devtools

Adjacent

AITokenlessShared: research lab, reinforcement learning, evalYC S26San FranciscoStartup →AIEpsilabShared: research lab, reinforcement learning, evalYC F26San FranciscoStartup →AIRiftenShared: training environment, reinforcement learning, labsYC S26San FranciscoStartup →AIidlerShared: research lab, reinforcement learning, evalYC S25San FranciscoStartup →AICueBenchShared: reinforcement learning, science, trainingYC S26San FranciscoStartup →
Companies next to Synthetic Sciences
Company
TokenlessShared: research lab, reinforcement learning, evalYC S26ActiveAI, Devtools
EpsilabShared: research lab, reinforcement learning, evalYC F26ActiveAI, Data
RiftenShared: training environment, reinforcement learning, labsYC S26ActiveAI, Devtools
idlerShared: research lab, reinforcement learning, evalYC S25ActiveAI, Devtools
CueBenchShared: reinforcement learning, science, trainingYC S26ActiveAI, Data

Also from W26 in AI

All of W26
AIAnchorheadEvals for frontier research agentsYC W26San FranciscoStartup →AIAshrEnterprise post-training, monitoring, and continual learning platformYC W26San FranciscoStartup →AIBrumbyRobot Cowboys that Herd Cattle with AI DronesYC W26SydneyStartup →AITraverseCustom models and inference, built and run for enterprisesYC W26San FranciscoStartup →AI/dev/fast/dev/fast is the AI-native code forgeYC W26San FranciscoStartup →AI10x ScienceThe AI-native platform for next-generation protein characterization.YC W26San FranciscoStartup →
Company
AnchorheadEvals for frontier research agentsActiveAI, Devtools
AshrEnterprise post-training, monitoring, and continual learning platformteam of 2ActiveAI, Data
BrumbyRobot Cowboys that Herd Cattle with AI Dronesteam of 32 programsActiveAI
TraverseCustom models and inference, built and run for enterprisesActiveAI
/dev/fast/dev/fast is the AI-native code forgeteam of 4ActiveAI, Devtools
10x ScienceThe AI-native platform for next-generation protein characterization.team of 5hiringActiveAI

Founders

  • Aayam BansalFounder/CEO
  • Ishaan GangwaniFounder/CTO

About Synthetic Sciences

Synthetic Sciences is a research lab building infrastructure for scientific superintelligence. Empirical science is bottlenecked by verification that is slow, expensive, and imperfect. We work on tooling, evals, training environments, algorithms, and labs that make autonomous science possible.

YC batch
W26 · Winter 2026
Status, per YC
Active
Category
AI, Developer tools
Team size
4
Location
San Francisco, CA, USA
Founded
2025
Checked
13h ago

YC tags: Reinforcement Learning

Changes seen

Team sizeOct 19, 2026

Team went from 2 to 4 people.

Source ↗
TagsOct 15, 2026

Newly tagged Reinforcement Learning.

Source ↗
CategoryOct 15, 2026

Category changed from devtools to ai.

Source ↗

Synthetic Sciences in W26: 199 companies, 81% AI

GitHub LinkedIn

Synthetic Sciences: questions

Which YC batch was Synthetic Sciences in?

Synthetic Sciences was in Y Combinator's Winter 2026 batch (W26).

Is Synthetic Sciences still active?

Y Combinator lists Synthetic Sciences as active.

Who founded Synthetic Sciences?

Synthetic Sciences's founders, as listed on its YC page: Aayam Bansal (Founder/CEO), Ishaan Gangwani (Founder/CTO).

Where is Synthetic Sciences based?

Synthetic Sciences lists San Francisco, CA, USA as its location on YC's directory.