← Catalog
SWE-2
AvailableCognitionProprietary
Cognition's proprietary coding model for long-horizon, asynchronous software-engineering tasks in Devin (launched Sep 10, 2026). Post-trained from the Kimi K3 2.8T-parameter base with additional reinforcement learning at multi-trillion-parameter scale, SWE-2 targets the cost–performance Pareto frontier for autonomous SWE work. Available at launch through Devin Desktop and CLI, with rollout to Devin Web and Fusion. Proprietary — weights not released; served only via Devin (no public per-token API price).
Specifications
- License
- Proprietary
- Weights
- Not released
- Architecture
- Mixture-of-Experts
- Parameters
- 2.8T
- Context window
- — tokens
- Max output
- —
- Knowledge cutoff
- —
- Price (in / out, $/M)
- —
- Modalities
- TextCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.