Laguna S 2.1 (free)
Poolside · released 21 Jul 2026
About
Laguna S 2.1 (free) is Poolside's coding agent model, with 118B total parameters and 8B active parameters. It is listed as open weight and supports tools and reasoning. The model accepts text and produces text, with a 262,144-token context window and a maximum output of 32,768 tokens. The listed entry is marked free, and no input or output token prices are provided. It was released on 2026-07-21. Its Hugging Face identifier is poolside/Laguna-S-2.1. The summary also reports a 70.2% score on Terminal-Bench 2.1, one of the listed benchmark details. For teams evaluating coding-agent models, the weight availability, tool support, context capacity and output ceiling are relevant selection factors; the free label applies to this listed entry.
Who it is for
It suits teams evaluating a text-based coding agent that needs tool and reasoning support. Open weights and the listed free entry may fit teams seeking those options.
What is good
- Open weights are available.
- Tool support and reasoning are listed.
- 262,144-token context window.
- Entry is marked free.
What to know first
- Maximum output is 32,768 tokens.
- Inputs and outputs are text only.
Verdict
Laguna S 2.1 (free) combines open weights and tool support with a large context window for coding-agent use. Check whether its 32,768-token output limit fits your tasks.
Details
- Lab
- Poolsideopenrouter.ai · 3 Oct 2026
- Context
- 262Kopenrouter.ai · 3 Oct 2026
- Input price
- Freeopenrouter.ai · 3 Oct 2026
- Output price
- Freeopenrouter.ai · 3 Oct 2026
- Max output
- 32,768 tokensopenrouter.ai · 3 Oct 2026
- Inputs
- textopenrouter.ai · 3 Oct 2026
- Open weights
- Yesopenrouter.ai · 3 Oct 2026
More newest models
See the list
Listed on Inferse
- Newest Models in 2026466 listed
- Longest-Context Models in 2026466 listed
- Models with Tool Calling in 2026398 listed
- Reasoning Models in 2026332 listed
- Open-Weight Models in 2026178 listed
- Free Models in 202622 listed
- Poolside Models: Pricing per 1M Tokens and Context (2026)4 listed
Sources
- openrouter.ai/poolside/laguna-s-2.1:free· checked 3 Oct 2026