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Advancing the Frontier of Model Development.

A global research community advancing post-training, model evaluation, and the development of more capable, reliable, and trustworthy AI.

Explore our community → Nominate a researcher →

Members build at

OpenAIAnthropicNVIDIAMetaAWSMITIBMCohereScaleProlificTuringMongoDBTuroCitizens BankUC BerkeleyStanford

We host events at

NeurIPS ICLR ICML CVPR NVIDIA GTC AI Engineer Config London Tech WeekLondon Tech Week a16z Tech Weeka16z Tech Week

Our members advance the frontier through post-training, model evaluation, and state-of-the-art research that determines how AI behaves in the real world.

AbstractVienna, 1924 / 2026

In the 1920s, a group of philosophers, logicians, and mathematicians formed the Vienna Circle around a then-radical idea: meaningful claims about the world should be grounded in evidence, not metaphysics.

A century later, AI Circle brings together researchers and technical leaders from frontier labs and human data companies around a similar conviction: claims about AI capabilities must be supported by rigorous evaluation.

Today, we call models intelligent, advanced, and trustworthy, often based on loosely defined criteria and intuition rather than demonstrated performance.

AI Circle exists to bring researchers, model developers, and domain experts together to advance the science and practice of post-training and model evaluation.

Learn more about us →

The network in one frame.

Chapters & institutions
See all chapters and chairs →Join a chapter →
01San Francisco37.7749° N, 122.4194° W→ 02London51.5072° N, 0.1276° W→ 03New York40.7128° N, 74.0060° W→ 04Seattle47.6062° N, 122.3321° W→ 05Toronto43.6532° N, 79.3832° W→ 06Paris48.8566° N, 2.3522° E→ 07Stanford UniversityCampus circle→ 08Massachusetts Institute of TechnologyCampus circle→
AI Circle at MACHINA conference stage
AI Circle Paris chapter dinner by candlelight
AI Circle San Francisco chapter mixer
AI Circle members in conversation
AI Circle interview at a member event
AI Circle members at a daytime gathering
AI Circle members laughing together
AI Circle San Francisco chapter conversation
AI Circle members networking
AI Circle members connecting over drinks
AI Circle San Francisco chapter group
AI Circle poker night mixer
AI Circle at ICML Seoul
AI Circle at NVIDIA GTC
AI Circle London Tech Week
AI Circle at ICML Seoul
AI Circle London Tech Week
AI Circle London Tech Week
AI Circle New York
AI Circle Paris chapter dinner
AI Circle at ICML Seoul
AI Circle at NVIDIA GTC
AI Circle New York
AI Circle at ICML Seoul
AI Circle at ICML Seoul
AI Circle Paris chapter dinner
AI Circle London Tech Week
AI Circle London Tech Week

Upcoming events

Live upcoming · Oct 14 · London

Where Translation Ends: Hyper-Localized Multilingual Evals | Private Dinner Hosted by LILT & AI CIRCLE

Wednesday, October 14 · 6:00 PM BST · London. RSVP on Luma. Approval follows the same bar as everything else we run.

 What's to come · Updates live

See upcoming events

Dinners, summits, conference sidecars, and member gatherings appear here as soon as they are published.

From the people in the room.

AI Circle connects me with top AI professionals and innovators. From insightful discussions to practical collaboration, it is a dynamic community for anyone serious about advancing in AI.
Arsalan · Founder · Former Google · NYU
AI Circle connects me with the broader AI ecosystem. The community is knowledgeable, inspiring, and always willing to lend a helping hand.
Maya · Product at Microsoft AI · Formerly IBM Research
AI Circle transformed my professional network. I found mentors, collaborators, and friends who share my passion for AI.
David · GTM at OpenAI · Former Google
AI Circle keeps me close to cutting-edge topics and connected with peers, mentors, and potential clients. It has been a total game-changer.
Naomi · Staff Engineering Program Manager at Cohere
AI Circle brings together founders, investors, and big-tech professionals, plus a place to learn cutting-edge AI innovations.
Kei · Machine Learning Engineer at Meta
Membership

Two tracks, one room

Fellows

Researcher

Researchers admitted by nomination, on the record of their work. They get the floor, an audience that can use what they know, and support if they decide to build something.

  • The FloorSpeaker slots go to fellows first. Unfinished thinking welcome.
  • The RecordWe write about what you’re working on and put it in front of the field.
  • No InventoryYou are never pitched or introduced without being asked first. Intentional introductions and curated experiences only.
  • RunwayCredits and discounts just in case the research becomes a company.
Apply as a Fellow →
Members

Operator

Our operators are building data and infrastructure companies for model development. They include executives deploying AI at their companies.

  • The RoomLearn about state-of-the-art research before it's implemented.
  • The ChaptersWherever you land, there is a room full of members.
  • The StandardStay up to date on frontier research from practitioners developing it to inform your organization.
  • The ConferencesDon't attend a conference alone. We can host events at conferences together.
Apply as a Member →
$1M
Credits & discounts

When your research becomes a company, we offer ~$1M in credits and discounts to the tools you need to build your company.

pinecone & many more
Featured · AI Circle Human Data Landscape

The AI Circle Human Data Landscape.

An annual market map of the human data ecosystem

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Explore the landscape →Partner with us
The room

The room is curated. Take the floor.

Fellows bring the work. Members scale their work. Both enter by review. Thousands apply. Few get accepted.

Join us →