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14,448 startups · 29 programs

Silurian

Active · Foundation models to simulate Earth, starting with weather.

WebsiteYC profile

Why it ranks

How the rank works
13signal of 100 · rising 6
  • team of 6Team size · YC's directory+4.4
  • went through YCProgram · this site+4
  • 3 programsMore than one program · this site+3
  • hiringHiring · Titles (titles.fru.dev), YC+2

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

Competitors

AIThe Forecasting CompanyShared: foundation modelYC S24ParisStartup →AITrimShared: foundation model, simulate, buildingYC W25San FranciscoStartup →AIPiramidalShared: foundation modelYC W24New York CityStartup →AIOutpost BioShared: foundation modelSeedcamp 2025Startup →AIAtmetoShared: energy, climate, modelYC W23Los AngelesStartup →OtherTwelveLabsShared: foundation modelStartup →OtherF13Shared: foundation modelStartup →OtherGeneral IntuitionShared: foundation model, frontier, buildingStartup →
Companies closest to Silurian
Company
The Forecasting CompanyShared: foundation modelYC S24ActiveAI
TrimShared: foundation model, simulate, buildingYC W25ActiveAI, Devtools
PiramidalShared: foundation modelYC W24ActiveAI
Outpost BioShared: foundation modelSeedcamp 2025Not statedAI
AtmetoShared: energy, climate, modelYC W23ActiveAI
TwelveLabsnot in a program hereShared: foundation modelElsewhereOther
F13not in a program hereShared: foundation modelElsewhereOther
General Intuitionnot in a program hereShared: foundation model, frontier, buildingElsewhereOther

Adjacent

AIAcquiredPowerXShared: energy, climateYC W20New York CityStartup →OtherNira EnergyShared: energy, climate, gridYC W22RemoteStartup →OtherAmerican TerawattShared: energy gridAntler 2026USStartup →AICactus ComputeShared: foundation modelYC S25San FranciscoStartup →AIUrbanKisaanShared: foundation model, agriculture, infrastructureYC W20HyderabadStartup →
Companies next to Silurian
Company
PowerXShared: energy, climateYC W20 +1AcquiredAI
Nira EnergyShared: energy, climate, gridYC W22ActiveOther
American TerawattShared: energy gridAntler 2026Not statedOther
Cactus ComputeShared: foundation modelYC S25ActiveAI, Devtools
UrbanKisaanShared: foundation model, agriculture, infrastructureYC W20ActiveAI

Also from S24 in AI

All of S24
AIBenchifyExecutable healthcare contractsYC S24San FranciscoStartup →AIBrighterwayAI-native claims software and administration for casualty claimsYC S24San FranciscoStartup →AICorgiCorgi is building an AI financial infrastructure companyYC S24San FranciscoStartup →AILigo BiosciencesEnzyme design models.YC S24San FranciscoStartup →AIOntra MobilityPlatform for cities to optimize transitYC S24New York CityStartup →AIPlumeRenewable infrastructure deployment at scale.YC S24ParisStartup →
Company
BenchifyExecutable healthcare contractsteam of 4ActiveAI
BrighterwayAI-native claims software and administration for casualty claimsteam of 14hiringActiveAI
CorgiCorgi is building an AI financial infrastructure companyteam of 250hiringActiveAI
Ligo BiosciencesEnzyme design models.team of 4ActiveAI
Ontra MobilityPlatform for cities to optimize transitteam of 2ActiveAI
PlumeRenewable infrastructure deployment at scale.team of 9ActiveAI

Founders

  • Jayesh K. GuptaFounder/CEO
  • Nikhil ShankarFounder

Programs

Programs Silurian went through
ProgramCohortSource
Y CombinatorS24YC Page
Plug and PlayNot statedPlug and Play Page
AI GrantBatch 4AI Grant Page

About Silurian

Silurian is building foundation models for simulating Earth, starting with weather. From assessing the risk of wildfires to predicting the energy grid load, we provide an infrastructure layer for our planet. Our frontier models push the boundaries of what can be simulated on Earth and improve decision making across vital sectors including energy, insurance, agriculture, and logistics.

YC batch
S24 · Summer 2024
Status, per YC
Active
Category
AI
Team size
6
Location
Seattle, WA, USA
Founded
2024
Checked
6h ago

YC tags: Climate, Insurance, Agriculture, Energy, AI

Changes seen

TagsOct 19, 2026

Newly tagged AI; no longer tagged Artificial Intelligence.

Source ↗

Silurian in S24: 248 companies, 85% AI

GitHub LinkedIn

Silurian: questions

Which YC batch was Silurian in?

Silurian was in Y Combinator's Summer 2024 batch (S24).

Which accelerators did Silurian go through?

Silurian is listed by Y Combinator (S24), Plug and Play, AI Grant (Grant Batch 4).

Is Silurian still active?

Y Combinator lists Silurian as active.

Who founded Silurian?

Silurian's founders, as listed on its YC page: Jayesh K. Gupta (Founder/CEO), Nikhil Shankar (Founder).

Where is Silurian based?

Silurian lists Seattle, WA, USA as its location on YC's directory.