Poolside: Laguna XS.2 (free) — Free API

What is Poolside: Laguna XS.2 (free)?

Poolside Laguna XS.2 is the second-generation efficient coding agent model from Poolside, available free on OpenRouter. Combines tool calling and reasoning capabilities with a compact footprint for software engineering and agentic coding workflows. 131K context window, up to 8K output. Quantized to fp8 for fast, cost-efficient inference. Released under Apache 2.0. Text/code-focused. OpenAI-compatible via OpenRouter. Free tier: 200 RPD.

Poolside: Laguna XS.2 (free) API Code Example

Paste your API key and run. See the config generator for Claude Code, Cursor, and more tools.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="poolside/laguna-xs.2:free",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://openrouter.ai/api/v1",
  apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
  model: "poolside/laguna-xs.2:free",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "poolside/laguna-xs.2:free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

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