Runta

@runta

The execution layer to control what AI agents can do as they run.

San Francisco Bay Area

runta.com

Joined September 2025

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Runta
@runta
Jul 16
If you're trying to give agents real work and control is what's stopping you, apply for early access today. Every new account starts with $50 in free credits, enough to run an agent for a month, with no credit card needed.
Guanlan Dai
@guanlan
Jul 16
Today we're announcing @runta's $20M seed, led by @a16z. Software is constrained when you write it. Agents have to be constrained while they run. Runta is the execution layer that controls what AI agents can actually do.
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Runta
@runta
Sep 22
This is exactly why we built Runta: so teams can spend their time building the agent experience, not rebuilding runtimes, computer use, persistence, and execution infrastructure. Errand is what that leverage looks like: one developer, one week, and an open-source product you can
Guanlan Dai
@guanlan
Sep 22
One of our engineers built Errand, our open-source take on Grok Bot and Muse, and wrote up how it came together. One developer, one week. The app is ~4k lines of TS. Every agent still gets its own machine with a shell, a browser, and a filesystem that survives between tasks. He
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Runta
@runta
Sep 14
EXO harness support is ready. Self-evolve started!
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Runta
@runta
Sep 10
A harness that rewrites itself needs somewhere scalable and safe to do it. Exo Harness now runs natively on Runta.
Guanlan Dai
@guanlan
Sep 10
Exo Harness now runs natively on Runta. In FrontierHarness Eval, Exo was cheapest per completed task at $1.05. On the hardest task it hit its 51-step cap and quit at $1.46 while others kept spending. That is the harness you let rewrite itself. Exo's Executor holds no durable
Runta
@runta
Sep 9
BYOH (Bring your own Harness) is supported in FrontierHarness, 1 prompt to setup the whole runtime environment to eval your own harness.
Guanlan Dai
@guanlan
Sep 9
Wondering where your harness would land on the FrontierHarness leaderboard? Last week the most common reply was "can I run mine on this." Now you can. Bring your harness and your own model key, and it runs on Runta under the exact conditions the leaderboard was built on: same