Reason

Reason

A state-of-the-art coding agent for cost efficiency

854 followers

Reason is a state-of-the-art coding for cost efficiency. We scored higher than harnesses like Codex & Pi on benchmarks like Terminal Bench 4.0 and DeepSWE while being 22% cheaper. Reason can work in the cloud or locally. Give it a task and it writes code, runs tests and opens a pull request. Use Reason from the Mac app, terminal, web or Slack, with your choice of models and connected subscriptions. Start free on your own computer or cloud!

Reason launches

Launch date
Reason
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Launched on October 14th, 2026

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