Laguna M.1
Poolside
Key facts · verified Oct 27, 2026
Laguna M.1 is a Poolside model released on 28 Apr 2026. Pricing: Free for a limited time at launch (Poolside API, OpenRouter); open weights. Its context window is 256K tokens. It is not yet ranked on LMArena's text leaderboard. Source: poolside.ai.
Poolside’s Laguna M.1, released in preview on 28 April 2026: a 225-billion-parameter mixture-of-experts model with 23 billion active, built for agentic coding and long-horizon work. Poolside serves it at a 256K-token context and has since published its weights under Apache 2.0. At launch it was free for a limited time on Poolside’s API and OpenRouter.
Pricing & specs checkedSource: vendor documentation · checked Oct 27, 2026
Pricing
Free for a limited time at launch (Poolside API, OpenRouter); open weights
Context
256K tokens
LMArena Elo
Not rated
LMArena rank
Not ranked
Key Features
Open Weights Agentic Coding Long Context
Full Specifications
Free for a limited time at launch (Poolside API, OpenRouter); open weights | |
|---|---|
| Identity | |
| Developer | Poolside |
| Released | Apr 2026 |
| Status | Preview |
| Licence | Apache 2.0 (open weights) |
| Self-hostable | Yes |
| Capacity | |
| Context window | 256K tokens |
| Access | |
| API | Yes — Poolside API (platform.poolside.ai), OpenRouter |
| Fine-tuning | Yes — open weights under Apache 2.0 |