# Laguna S 2.1 is now available on AI Gateway

DevFeed: [Laguna S 2.1 is now available on AI Gateway](<https://devfeed.tech/articles/laguna-s-2-1-is-now-available-on-ai-gateway-995.md>)

Original publisher: [Read original article](<https://vercel.com/changelog/laguna-s-2-1-is-now-available-on-ai-gateway>)

Author: Jerilyn Zheng

Published: 2026-07-21T00:00:00Z

Content type: release

Language: en

Sources: [Vercel News](<https://devfeed.tech/sources/vercel-news.md>)

Topics: [AI Models](<https://devfeed.tech/topics/ai-models.md>), [agentic-coding](<https://devfeed.tech/topics/agentic-coding.md>), [Mixture of Experts (MoE)](<https://devfeed.tech/topics/mixture-of-experts-moe.md>), [context window](<https://devfeed.tech/topics/context-window.md>), [API](<https://devfeed.tech/topics/api.md>), [MLOps](<https://devfeed.tech/topics/mlops.md>), [AI Research](<https://devfeed.tech/topics/ai-research.md>), [API keys](<https://devfeed.tech/topics/api-keys.md>), [Routing (disambiguation)](<https://devfeed.tech/topics/routing.md>)

Tags: [agentic-coding](<https://devfeed.tech/tags/agentic-coding.md>), [ai-models](<https://devfeed.tech/tags/ai-models.md>), [ai-research](<https://devfeed.tech/tags/ai-research.md>), [api-keys](<https://devfeed.tech/tags/api-keys.md>), [context-window](<https://devfeed.tech/tags/context-window.md>), [cost](<https://devfeed.tech/tags/cost.md>), [mixture-of-experts](<https://devfeed.tech/tags/mixture-of-experts.md>), [mlops](<https://devfeed.tech/tags/mlops.md>), [routing](<https://devfeed.tech/tags/routing.md>), [sdk](<https://devfeed.tech/tags/sdk.md>), [support](<https://devfeed.tech/tags/support.md>)

## AI overview

Poolside's Laguna S 2.1 is now available through Vercel AI Gateway in free and paid versions, with context windows of 256K and 1M tokens. The open-weight Mixture-of-Experts model supports thinking and no-thinking modes and is designed for agentic coding, long-running tasks, browser tooling, MLOps pipelines, and AI research.

## Source excerpt

Laguna S 2.1 from Poolside is now available on AI Gateway. There are 2 versions of the model available: Free version (256K context window): poolside/laguna-s-2.1-free Paid version (1M context window): 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, 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 model to poolside/laguna-s-2.1-free or poolside/laguna-s-2.1 in the AI 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 custom reporting, Zero Data Retention support, budgets for API keys, 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 (BYOK) requests. Try Laguna S 2.1 in the model playground. Read more