# Laguna XS 2.1

Canonical page: https://agentsky.dev/models/poolside/laguna-xs-2.1
JSON record: https://gateway.agentsky.dev/v1/models/poolside/laguna-xs-2.1

Laguna XS 2.1 is a text-input model by Poolside, available through the AgentSky API as poolside/laguna-xs-2.1 at $0.06963 per million input tokens and $0.13926 per million output tokens, with a 262K context window.

Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026).

## Facts

- **Model id:** `poolside/laguna-xs-2.1`
- **Maker:** Poolside
- **Input modalities:** Text
- **Context:** 262K
- **Max output tokens:** 32,768
- **Aliases:** `poolside/laguna-xs-2.1`, `laguna-xs-2.1`

## Pricing

USD per million tokens on the default plan. Signed-in pages show your own plan's price; every response carries the cost of that call in `usage.cost`.

| Meter | Per 1M tokens |
|---|---|
| Input | $0.06963 |
| Output | $0.13926 |
| Cache read | $0.034815 |
| Cache write | $0.06963 |

## Use it

Anthropic wire base URL: `https://gateway.agentsky.dev`. OpenAI wire base URL: `https://gateway.agentsky.dev/v1`. Authenticate with an AgentSky API key (`ast_…`) and pass the model id.

### OpenAI SDK

```js
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "poolside/laguna-xs-2.1",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response
```

### Codex

```bash
export OPENAI_BASE_URL="https://gateway.agentsky.dev/v1"
export OPENAI_API_KEY="$AGENTSKY_API_KEY"

codex --model poolside/laguna-xs-2.1
```

### OpenCode

```js
// opencode.json — then switch models any time with /models
{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "agentsky": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "AgentSky",
      "options": {
        "baseURL": "https://gateway.agentsky.dev/v1",
        "apiKey": "{env:AGENTSKY_API_KEY}"
      },
      "models": { "poolside/laguna-xs-2.1": {} }
    }
  }
}
```

## Questions

### What is Laguna XS 2.1?

Laguna XS 2.1 is a model from Poolside. Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from [Poolside](https://poolside.ai/) and a step forward from their Laguna XS.2 model (released in April 2026).

### How much does Laguna XS 2.1 cost?

$0.06963 / $0.13926 per million tokens at the prices shown, for input and output respectively. The exact price of every call comes back in the response as usage.cost, so you never have to compute it.

### What is the context length of Laguna XS 2.1?

262K tokens, and it writes up to 33K tokens in one reply. These are the limits listed for this model in the current AgentSky catalog.

### Which clients can call Laguna XS 2.1?

Anything that speaks the OpenAI-compatible request format. Point the client's base URL at the gateway, use an AgentSky key, and pass poolside/laguna-xs-2.1 as the model.

### How do I name Laguna XS 2.1 in a request?

The gateway accepts poolside/laguna-xs-2.1, laguna-xs-2.1. Any of them resolves to the same model, so an existing integration usually needs no change to its model string.

### Can Laguna XS 2.1 read images?

No image input is listed for this model. Its supported input types are text. For screenshots or photographs, choose a model that lists image input.

### What output can Laguna XS 2.1 produce?

The listed output types are text. This model returns text. Producing image, video or audio files requires a suitable tool or another model; it is not included in text generation.

### How should I plan a long prompt for Laguna XS 2.1?

Plan your instructions, conversation history and source material around the 262K-token context limit, leaving room for the response. The listed response ceiling is 33K tokens. A larger window lets you supply more relevant material; it does not make unrelated content useful.

### What would 10,000 input tokens and 2,000 output tokens cost with Laguna XS 2.1?

At the displayed input and output rates, the model-token subtotal is $0.00097482. This example assumes uncached input and excludes additional pricing categories, tool calls and agent runtime. Actual usage determines the final charge.

### How is cached input priced for Laguna XS 2.1?

The catalog lists $0.034815 per million cache-read tokens. Cache writes are listed at $0.06963 per million tokens. Repeating a prompt does not by itself guarantee a cache hit; only usage reported as cached receives that rate.

### Does the Laguna XS 2.1 token price cover an entire agent task?

No. The model price covers the model usage described above. A task can also incur tool and runtime charges, and several model calls may be needed to complete it. Compare total task usage when evaluating cost.

### How do I use Laguna XS 2.1 on AgentSky?

The composer above preselects Laguna XS 2.1 for a compatible agent. Enter a concrete task, select any tools or connectors it needs, and send. Sign in if prompted; paid execution requires available credits.