Today we're releasing Claude Sonnet 4.5 in Devin, alongside our new Devin Agent Preview that's over 2x faster and 12% better on our Jr. Developer Evals.
We rebuilt Devin for Claude Sonnet 4.5. The new version is 2x faster, 12% better on our Junior Developer Evals, and it's available now in Agent Preview. For users who prefer the old Devin, that remains available.
Cognition has raised over $400M at a $10.2B post-money valuation led by Founders Fund. Other existing investors are similarly doubling down including Lux Capital and 8VC (who jointly led our previous round), Neo, Elad Gil, Definition Capital, and Swish VC. We’re also joined by new investors including Bain Capital Ventures, Hanabi Capital, and D1 Capital.
Open source code maintainers can now apply for free Devin ACUs.
OSS contributions Devin has already helped to make, and more about our Open Source Initiative.
The work Devin has been doing and how your team can start using Devin today.
Setting a new state of the art on the SWE-bench coding benchmark. Meet Devin, the world’s first fully autonomous AI software engineer.