Laguna S 2.1 is now available on AI Gateway

Vercel's AI Gateway now offers Laguna S 2.1, an open-weight Mixture-of-Experts model from Poolside that supports up to 1M tokens and agentic coding tasks. The model achieves 70.2% on Terminal-Bench 2.1, 78.5% on SWE-bench Multilingual, and 59.4% on SWE-Bench Pro in thinking mode, available in free and paid versions.

Laguna S 2.1 from Poolside https://vercel.com/ai-gateway/models/laguna-s-2.1 is now available on AI Gateway. There are 2 versions of the model available: Free version: poolside/laguna-s-2.1-free Paid version for higher throughput and higher rate limits: poolside/laguna-s-2.1 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, Poolside 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 model to poolside/laguna-s-2.1-free or poolside/laguna-s-2.1 in the AI SDK https://ai-sdk.dev/ : 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 custom reporting https://vercel.com/changelog/custom-reporting-ai-gateway , Zero Data Retention support https://vercel.com/blog/zdr-on-ai-gateway , budgets for API keys https://vercel.com/docs/ai-gateway/authentication-and-byok/api-keys , routing rules https://vercel.com/docs/ai-gateway/models-and-providers/routing-rules , and more. AI Gateway reflects provider pricing with no markup and does not charge a platform fee on inference, including on Bring Your Own Key https://vercel.com/docs/ai-gateway/authentication-and-byok/byok BYOK requests. Try Laguna S 2.1 in the model playground https://vercel.com/ai-gateway/models/laguna-s-2.1-free .