SWE-2
Cognition · 2026-09-10
Cognition's software engineering model released September 10, 2026, post-trained from Kimi K3 with reinforcement learning across multiple reasoning effort levels. Available in Devin Desktop and CLI, with rollout to Devin Web and Fusion. Devin documents medium, high, and max reasoning variants.
Benchmark scores
| Benchmark | Score |
|---|---|
| FrontierCode 1.1 Extended - Pass Rate | 68.4 |
| FrontierCode 1.1 Extended - Score | 62.5 |
| FrontierCode 1.1 Main - Pass Rate | 55.5 |
| FrontierCode 1.1 Main - Score | 50.0 |