KAT-Dev-72B-Exp
Open 72B coding model, the experimental RL version of Kuaishou's proprietary KAT-Coder, claiming 74.6% on SWE-bench Verified with the SWE-agent scaffold.
Rewrites the attention kernel for shared-prefix RL trajectories and reshapes advantage by pass rate to avoid exploration collapse. Apache-2.0.
- Date
- Friday, 10 October 2025
- Lab
- Kuaishou (Kwaipilot)
- Kind
- open-weights
- Access
- open weights
Figures
| Measure | Value | Measured by |
|---|---|---|
| SWE-bench Verified | 74.6% SWE-agent scaffold, company-reported | company |
Date from HF repo creation. The 74.6% figure is Kuaishou's own and tied to one scaffold.
Sources
This record was checked against its sources on 6 October 2026. How we check