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Silurian

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Silurian

Foundation models to simulate Earth, starting with weather.

silurian.ai
HQ: Kirkland, WA, USA
1-10
Industrials

Company research

Public company, workplace, funding, and market signals

Updated Jul 29, 2026

Overview

Silurian AI builds foundation models to simulate the Earth system, starting with weather, and sells AI-driven forecasting products for energy, utilities, infrastructure, and government use cases.

Primary product

GFT (Generative Forecasting Transformer) weather / Earth forecasting API

Founded

2024

Headquarters

Kirkland, Washington, United States

Team size

10-20

Industry

Information Services

Sub-industry

Earth intelligence / weather forecasting foundation models

Offices

Kirkland, Washington, United States
Seattle, United States
London, UK

Business model

API
enterprise deployments
B2B forecasting software

Funding

Stage

pre-seed

Total raised

$500K

Latest round

Convertible Note · Sep 2024

Latest amount

$500K

Convertible Note

Sep 2024 · Y Combinator

$500K

People & investors

Leadership

Jayesh K. Gupta

Chief Executive Officer / Co-Founder

Cristian Bodnar

Scientific Advisor / Co-Founder

Nikhil Shankar

Chief Engineer / Co-Founder

Alexandre Tilmant

Chief Business Officer

Stelios Flampouris

Chief Strategy Officer

Dhruvit Patel

Founding Research Scientist

Gregory Studer

Founding Research Engineer

Founders

Mark Baum

Co-Founder

Investors

AI Grant
Atlassian Ventures
Bond
Felicis Ventures
Mandeep Singh
Next47
Nivesha Ventures
Partech Ventures
Pioneer Fund
Plug and Play Travel & Hospitality
Roman Smolevskiy
Seedcamp
SurgePoint Capital
Theory Ventures
tim sadler
TotalEnergiesOn
Y Combinator

Work & culture

Research-heavy, mission-driven, and small-team oriented, with a strong emphasis on scientists and engineers building frontier AI for the physical world and deploying it into high-stakes operational settings.

Visa sponsorship

No

Compensation

Public YC job posting listed $120K-$250K base pay and 0.25%-1.0% equity for a Machine Learning Research Engineer / Scientist role; public benefit details were not surfaced.

Product & market

Pricing

Public pricing is not disclosed; the company appears to sell via API access and enterprise deployment / demo-led sales.

Differentiators

  • —Foundation models for the Earth system rather than purely physics-based forecasting
  • —High-resolution, rapidly refreshing regional forecasts
  • —Asset- and infrastructure-level risk use cases such as rime ice and grid operations
  • —Operational API for tropical cyclones and weather applications
  • —Post-training on domain-specific sensor and utility data
  • —Public benchmark claims against ECMWF, NOAA, and related systems

Technology

Python
TypeScript
Rust
JAX
PyTorch
Node.js
Vercel
Cloudflare Workers
Deno
Bun
React Native
NEXRAD radar data
APIs
foundation models
Generative Forecasting Transformer (GFT)
GFT-C
GFT-US

Customers

Hydro-Québec
Disaster Tech
energy organizations
government agencies
utilities / grid operators

Competitors

ECMWF
NOAA / NHC
The Weather Company
Tomorrow.io
Meteomatics
Atmo

Scale & contact

Estimated revenue

about $0.5M-$2.5M ARR (public estimates cluster around ~$1M)

Estimated monthly visits

3.9K

Traffic estimate as of Jun 2026

contact@silurian.ai

Latest news

NOAA Partnership with Silurian AI Leverages Machine Learning to Predict Tropical Cyclone Behavior

NOAA Technology Partnerships Office · May 2026

NOAA AOML and Silurian signed a CRADA to develop AI-driven tropical cyclone forecasting, build an ML-ready cyclone database, and improve the GFT model's tracking and intensity prediction.

Day-Ahead Rime-Ice: From Reactive to Preventive

Silurian AI · Oct 2025

Silurian describes Hydro-Québec-backed GFT-HQ results for day-ahead rime-ice alerts, reporting 0.73 average precision versus a 0.37 climatology baseline and use cases in grid operations.

GFT for the Power Grid

Silurian AI · Oct 2025

Silurian details how post-training GFT on utility sensor data improves power-grid forecasting metrics, including lower MAE for temperature, wind speed, and precipitation.

GFT-C: AI-Powered Tropical Cyclone Forecasts

Silurian AI · Jun 2025

Silurian launched GFT-C as an operational hurricane forecasting API and announced an initial integration with Disaster Tech's PRATUS decision-support platform.

Aurora lights up Earth simulations

Silurian AI · May 2025

Silurian announced the Nature publication of Aurora and positioned it as the scientific basis for its GFT family, including weather, air quality, wave, and cyclone forecasting.

About usBlogCareers / JobsContactEarth API docsGitHub organizationLinkedIn company pageOfficial websiteX accountY Combinator profile
SourcesOfficial websiteAboutContactBlogLinkedIn companyGitHub orgY Combinator company pageWork at a Startup jobsNature paperNOAA partnership

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