Reason launches autonomous software engineer agent, claims it beats Codex at 22% lower cost
Scobleizer · x · 2026-10-24
Reason Machines launched Reason, an "AI teammate" positioned as an autonomous software engineer, declaring "coding in the IDE is over."
- The startup claims it built the world's best harness that "just works on anything"; the site demos multi-agent flows reproducing bugs, writing tests, and merging PRs
- Claims Reason outperforms Codex and is 22% more cost-efficient (unverified)
- A demo task had it build an internal AI-spend dashboard showing $130,000 per employee this year across two models
- Free trial available
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