AI and research labs

232 labs · 18 countries

OpenAI

Startup lab · founded 2015 · San Francisco, United States · about 4,500 people (Mar 2026)

Website

The GPT models and ChatGPT, and the scaling results that set off the large language model race.

Landmark work

Leaders

On Leaders

Models

On Models

Papers on Papers

Lab page on Papers

Funding and compute

On Funding
FundingMar 31, 2026

Private round

$122B, at an $852B post-money valuation
ComputeNov 3, 2025

Amazon Web Services

Multi-year AWS compute partnership
ComputeOct 13, 2025

Broadcom

10 GW of custom AI accelerators
ComputeSep 22, 2025

NVIDIA

At least 10 GW of NVIDIA systems
ComputeJan 21, 2025

Stargate (SoftBank, Oracle, MGX)

The Stargate Project: up to $500B of US AI infrastructure over four years
About, sources and history
Type
Startup lab, ai research
Headcount
About 4,500 (Mar 2026), wikidata.org
Sources
wikidata.org Q21708200
Registry
OpenAI on Companies

History

Funding roundsSep 28, 2026

Raised $6.6B (Growth) at a $157B valuation, Oct 2024.

LeadersSep 28, 2026

Now lists Aaron Chatterji (Chief Economist), Aleksander Madry (AI reasoning role) and 6 more.