Last refreshed 2026-07-08. Next refresh: weekly.
Why use SWE-1 on Devin?
Devin offers SWE-1 with competitive pricing. Devin is Cognition's autonomous AI software engineer platform, providing Web, Desktop, CLI, and API access to Cognition-trained SWE models for long-horizon coding and agentic software-engineering work.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: swesweRequest example
Gotchas
- Use provider model ID "swe", not the LLMReference slug "swe-1".
Capabilities
About SWE-1
SWE-1 is Cognition's proprietary coding model family for long-horizon asynchronous software-engineering tasks in Devin. The current first-party version is SWE-1.7 (July 8, 2026), trained from the Kimi K2.7-Code base with additional RL and available through Devin Web, Desktop, CLI, and API sessions. Devin CLI resolves the swe family alias to the latest SWE version.
FAQ
What API model ID do I use for SWE-1 on Devin?
Use the model ID swe when calling Devin's API.
Who created SWE-1?
SWE-1 was created by Cognition as part of the SWE-1 model family.
Is SWE-1 open source?
SWE-1 is not open source; the seed data lists it as proprietary.