{"slug": "laguna-s-2-1-is-now-available-on-ai-gateway", "title": "Laguna S 2.1 is now available on AI Gateway", "summary": "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.", "body_md": "[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:\n\nFree version: `poolside/laguna-s-2.1-free`\n\nPaid version for higher throughput and higher rate limits: `poolside/laguna-s-2.1`\n\nLaguna 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.\n\nThe 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.\n\nTo use Laguna S 2.1, set `model`\n\nto `poolside/laguna-s-2.1-free`\n\nor `poolside/laguna-s-2.1`\n\nin the [AI SDK](https://ai-sdk.dev/):\n\nAI 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.\n\nAI 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.\n\nTry Laguna S 2.1 in the [model playground](https://vercel.com/ai-gateway/models/laguna-s-2.1-free).", "url": "https://wpnews.pro/news/laguna-s-2-1-is-now-available-on-ai-gateway", "canonical_source": "https://vercel.com/changelog/laguna-s-2-1-is-now-available-on-ai-gateway", "published_at": "2026-07-21 00:00:00+00:00", "updated_at": "2026-07-21 17:32:37.200320+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products", "ai-tools", "ai-infrastructure"], "entities": ["Vercel", "AI Gateway", "Poolside", "Laguna S 2.1", "Terminal-Bench 2.1", "SWE-bench Multilingual", "SWE-Bench Pro", "AI SDK"], "alternates": {"html": "https://wpnews.pro/news/laguna-s-2-1-is-now-available-on-ai-gateway", "markdown": "https://wpnews.pro/news/laguna-s-2-1-is-now-available-on-ai-gateway.md", "text": "https://wpnews.pro/news/laguna-s-2-1-is-now-available-on-ai-gateway.txt", "jsonld": "https://wpnews.pro/news/laguna-s-2-1-is-now-available-on-ai-gateway.jsonld"}}