Laguna S 2.1
Laguna S 2.1 is the latest coding agent model from Poolside. It is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and 40.4% on DeepSWE, which makes it one of the strongest coding models in its class. Open-weight under the OpenMDW-1.1 license.
Specifications
| Lab | Poolside AI |
|---|---|
| Context window | 1M tokens |
| Input price | $0.09/1M |
| Output price | $0.18/1M |
| Release | Jul 2026 |
Strengths
- Million-token context window for very long tasks
- Low input pricing for cost-sensitive production workloads
- Tool-use support for agentic workflows
Weaknesses
- Newer listing with limited independent benchmark coverage
- Text-only inputs limit multimodal application coverage
Best for
- Agentic workflows and tool-using applications
- Long-context document and codebase processing
In Depth: Laguna S 2.1
Summary
Laguna S 2.1 is an AI model from Poolside AI.
Released in Jul 2026. It takes text input and produces text output, with a context window of 1M tokens. Input pricing is $0.09 per 1M tokens and output is $0.18 per 1M tokens on OpenRouter.