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A technical newsletter, podcast and community for AI engineers, expanding into daily news and a podcast network.

An AI engineering publication and community that grew from a newsletter and interview podcast into daily news and specialist shows.

A computational chemistry company building large-scale molecular measurements and testing how well models generalize.

The company behind MemGPT developed persistent-memory agent infrastructure, sleep-time compute and the Letta Code coding agent.

An AI image search and generation company founded by Sharif Shameem, whose prompt-search tool evolved into integrated generation and the Aperture diffusion models.

An AI research company combining scientific reasoning models with automated laboratories across biology, chemistry and materials science.

An AI assistant and agent platform that evolved from broad prompt-driven automation to explicit workflows, cloud computer use, and app building.

An AI assistant and agent company that evolved from Teamflow into workflow automation, cloud computer use, app building, and phone agents.

A nonprofit home for open source collaboration whose AI work spans agent protocols, machine learning frameworks, model licensing, research and certification.

An MIT CSAIL spinoff developing efficient foundation models, on-device deployment tools, and local agents.

From a GPT-3 summarization tree to an open-source data framework, commercial document services, and benchmarks for AI agents.

LMArena, renamed Arena in January 2026, grew from Berkeley's Chatbot Arena research project into a public AI comparison platform and commercial evaluation business.