Laguna S 2.1 (free)

Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and 40.4% on DeepSWE, making it one of the strongest coding models in its category. Open-weight under the OpenMDW-1.1 license. Laguna S 2.1 is designed for software engineering and agentic coding use cases, and you are responsible for confirming that it is appropriate for your intended application. Laguna S 2.1 is subject to the [OpenMDW-1.1 License](<https://openmdw.ai/license/1-1/>), and should be used consistently with Poolside's [Acceptable Use Policy](<https://poolside.ai/legal/acceptable-use-policy>). We advise against circumventing Laguna S 2.1 safety guardrails without implementing substantially equivalent mitigations appropriate for your use case. Please report security vulnerabilities or safety concerns to [security@poolside.ai](<mailto:security@poolside.ai>). If you are using Laguna S 2.1 for free, we may use your inputs and outputs to train and improve our models.

ChatPoolside262k tokensFree

poolside/laguna-s-2.1:free

Context
262k tokens
Completion cap
32,768
Tools
Yes
JSON
No
Released
2026-07-21

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "poolside/laguna-s-2.1:free",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Laguna S 2.1 (free)?
Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>). Laguna S 2.1 is a 118B total parameter model with 8B active parameters, scoring 70.2% on Terminal-Bench 2.1 and 40.4% on DeepSWE, making it one of the strongest coding models in its category. Open-weight under the OpenMDW-1.1 license. Laguna S 2.1 is designed for software engineering and agentic coding use cases, and you are responsible for confirming that it is appropriate for your intended application. Laguna S 2.1 is subject to the [OpenMDW-1.1 License](<https://openmdw.ai/license/1-1/>), and should be used consistently with Poolside's [Acceptable Use Policy](<https://poolside.ai/legal/acceptable-use-policy>). We advise against circumventing Laguna S 2.1 safety guardrails without implementing substantially equivalent mitigations appropriate for your use case. Please report security vulnerabilities or safety concerns to [security@poolside.ai](<mailto:security@poolside.ai>). If you are using Laguna S 2.1 for free, we may use your inputs and outputs to train and improve our models. Laguna S 2.1 (free) runs on the Geek Hub API (OpenAI-compatible). Model id: poolside/laguna-s-2.1:free.
Is Laguna S 2.1 (free) free?
Yes. The listed price is zero — you are not charged for prompt or completion tokens. Free endpoints are rate limited.
What is the context length of Laguna S 2.1 (free)?
Laguna S 2.1 (free) has a 262k tokens context window. It supports up to 32,768 completion tokens.
Does Laguna S 2.1 (free) support tool calling and structured outputs?
Laguna S 2.1 (free) accepts tools and tool_choice for function calling. Structured outputs are not listed for this endpoint.
When was Laguna S 2.1 (free) released?
Laguna S 2.1 (free) was released on 2026-07-21.

More models from Poolside