Laguna S 2.1 now available on AI Gateway
Laguna S 2.1, an open-weight Mixture-of-Experts model from Poolside, is now available on Vercel's AI Gateway. The model supports up to 1M token context windows and specializes in agentic coding, debugging, and long-running tasks, with both free (256K context) and paid (1M context) versions accessible via the API.
is now available on AI Gateway. There are 2 versions of the model available:Laguna S 2.1 from Poolside
Laguna S 2.1 is an open-weight Mixture-of-Experts model that supports a context window of up to 1M tokens and runs in thinking and no-thinking modes.
The model specializes in agentic coding and long-running tasks, including writing and debugging code, running tests, building browser-based tooling, and working on MLOps pipelines and AI research. In thinking mode, Laguna S 2.1 reports 70.2% on Terminal-Bench 2.1, 78.5% on SWE-bench Multilingual, and 59.4% on SWE-Bench Pro.
To use Laguna S 2.1, set to or in the : modelpoolside/laguna-s-2.1-freepoolside/laguna-s-2.1AI SDK
AI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime. It includes built-in , , , , and more.custom reportingZero Data Retention supportbudgets for API keysrouting rules
AI Gateway reflects provider pricing with no markup and does not charge a platform fee on inference, including on (BYOK) requests.Bring Your Own Key
Try Laguna S 2.1 in the .model playground
Free version (256K context window):
poolside/laguna-s-2.1-freePaid version (1M context window):
poolside/laguna-s-2.1
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