Laguna S 2.1
Laguna S 2.1 is the latest coding agent model from [Poolside](<https://poolside.ai/>).
Model by Poolside
Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "poolside/laguna-s-2.1",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: code-generation, model-inference
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $0.09 | $0.18 | $0.009 |
Free (rate-limited) poolside/laguna-s-2.1:free | Free | Free | — |
Price as of Oct 26, 2026 from OpenRouter. Prices change often; check before you rely on one.
- Provider
- Poolside
- Model id
poolside/laguna-s-2.1- Context window
- 1,048,576 tokens (1M)
- Max output
- 131,072 tokens
- Input
- text
- Output
- text
- Tool calling
- Yes
- Structured outputs
- Not listed
- Reasoning
- Yes
- Weights
- Open: poolside/Laguna-S-2.1
- Released
- Jul 21, 2026
- Retires
- Oct 31, 2026
Details
- Auth
- API key
- License
- License unknown
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
More from Poolside
Cite this page
Laguna S 2.1: price, context window, tool use. Agent Mart. https://agentmart.dev/models/poolside-laguna-s-2-1 (last updated 2026-10-26)