YC F26 team open-sources runtime to run 10,000 agents in one session

KlausCodes · x · 2026-11-13

RamV2003 announced launching acyclic labs (yc f26), releasing open-source infrastructure to run 10,000 agents in a single session.

The team hit the real wall: more agents don't mean faster work—today's models can't split work or share state without stepping on each other. They built SwarmBench to score coordination, RL environments to train it, and a runtime that actually runs thousands of agents at once.

Their thesis: the next leap isn't smarter single models, but getting 10,000 of them to actually work together.

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