Laguna XS 2.1
Laguna XS 2.1 is a language model from Poolside. It is currently free at 4 providers with up to 262K tokens of context. The model supports step-by-step reasoning, is suited to coding.
- Developer
- Poolside
- Context
- 262K tokens
- Type
- Text
Where to use Laguna XS 2.1 for free
Each row is a separate free endpoint with its own limits.
| Provider | Context | Limit | Card | |
|---|---|---|---|---|
OpenRouter poolside/laguna-xs-2.1:free |
262K | Free tier | No | Open |
NVIDIA Build poolside/laguna-xs-2.1 |
— | Free serverless inference for development; limits and model availability may change. | No | Open |
Nous Portal poolside/laguna-xs-2.1:free |
262K | The $0 Portal plan includes free models with standard rate limits. Model availability can change. | No | Open |
UnoRouter laguna-xs-2.1:free |
262K | No-card free models use shared capacity and per-model limits; availability can change. | No | Open |
Quick start
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "poolside/laguna-xs-2.1:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_OPENROUTER_API_KEY",
)
reply = client.chat.completions.create(
model="poolside/laguna-xs-2.1:free",
messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const reply = await client.chat.completions.create({
model: "poolside/laguna-xs-2.1:free",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(reply.choices[0].message.content);Example for OpenRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.
Benchmarks
This model is not on the Artificial Analysis leaderboard yet. We do not publish our own estimates.
Similar free models
FAQ
Is Laguna XS 2.1 free?
Yes. As of September 26, 2026, Laguna XS 2.1 is free at OpenRouter, NVIDIA Build, Nous Portal, UnoRouter. Each provider has its own limits — see the table above.
What is the context window of Laguna XS 2.1?
The largest context among free routes is 262,144 tokens. Some providers cap it lower.
How do I call Laguna XS 2.1 via API?
Use any OpenAI-compatible client with base URL https://openrouter.ai/api/v1, model ID poolside/laguna-xs-2.1:free, and a OpenRouter key.