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14,448 startups · 29 programs

Efficient Computation Inc.

Active · building principled reinforcement learning environments

WebsiteYC profile

Why it ranks

How the rank works
8signal of 100 · rising 7
  • 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

AIOpenScaleShared: latent space, appliedYC S22JakartaStartup →AIInactiveBasilicaShared: high dimensionalYC W19San FranciscoStartup →AIAcquiredContinueShared: coding agentYC S23San FranciscoStartup →AIConductorShared: coding agent, parallel, changeYC S24San FranciscoStartup →AICentauri AIShared: coding agent, parallel, contextYC W24San FranciscoStartup →
Companies closest to Efficient Computation Inc.
Company
OpenScaleShared: latent space, appliedYC S22ActiveAI, Devtools
BasilicaShared: high dimensionalYC W19InactiveAI, Devtools
ContinueShared: coding agentYC S23AcquiredAI, Devtools
ConductorShared: coding agent, parallel, changeYC S24ActiveAI, Devtools
Centauri AIShared: coding agent, parallel, contextYC W24ActiveAI, Devtools

Adjacent

AISynthShared: coding agent, context, modelYC F24San FranciscoStartup →AIRelaceShared: coding agent, modelYC W23San FranciscoStartup →AICompyleShared: coding agent, codebase, lessYC F25San FranciscoStartup →AIScott AIShared: coding agent, beforeYC F25New York CityStartup →AIOpenCodeShared: coding agentYC W21TorontoStartup →
Companies next to Efficient Computation Inc.
Company
SynthShared: coding agent, context, modelYC F24ActiveAI, Devtools
RelaceShared: coding agent, modelYC W23ActiveAI, Devtools
CompyleShared: coding agent, codebase, lessYC F25ActiveAI, Devtools
Scott AIShared: coding agent, beforeYC F25ActiveAI, Devtools
OpenCodeShared: coding agentYC W21ActiveAI, Devtools

Also from F25 in AI

All of F25
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Company
AbsurdThe production canvas for AI film teamsteam of 10ActiveAI
AirCaps AIVoice AI that hears what other models miss.team of 5hiringActiveAI, Devtools
AlderAI employees for finance, starting with accounts receivable.team of 2hiringActiveAI
Aleph LabAI language buddy in the games kids loveteam of 2ActiveAI
Allus AITransforming manufacturing with our next-gen Vision Foundation Modelteam of 6hiringActiveAI
AmikaTurn any spare computer into agent devboxes or CI runnersteam of 2ActiveAI, Devtools

Founders

  • Samrath ChadhaFounder

About Efficient Computation Inc.

We believe understanding how capabilities form during pretraining and building principled reinforcement learning environments are the path to solving science with AI.

YC batch
F25 · Fall 2025
Status, per YC
Active
Category
AI, Developer tools
Team size
4
Location
Bengaluru, KA, India
Founded
2025
Checked
7h ago

YC tags: Genetic Engineering, AI

Changes seen

NameNov 5, 2026

Renamed from Perseus.

Source ↗
WebsiteNov 5, 2026

Moved its website from perseus.computer to ecomp.so.

Source ↗
Former namesNov 5, 2026

Former name added: Perseus.

Source ↗
Website linkNov 5, 2026

Website link changed from https://perseus.computer to https://ecomp.so/.

Source ↗
One-linerNov 5, 2026

Rewrote its one-liner; it read "Applied Lab focused on Search in Latent Spaces."

Source ↗
TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Efficient Computation Inc. in F25: 146 companies, 88% AI

LinkedIn

Efficient Computation Inc.: questions

Which YC batch was Efficient Computation Inc. in?

Efficient Computation Inc. was in Y Combinator's Fall 2025 batch (F25).

Is Efficient Computation Inc. still active?

Y Combinator lists Efficient Computation Inc. as active.

Who founded Efficient Computation Inc.?

Efficient Computation Inc.'s founders, as listed on its YC page: Samrath Chadha (Founder).

Where is Efficient Computation Inc. based?

Efficient Computation Inc. lists Bengaluru, KA, India as its location on YC's directory.