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Poolside: Laguna XS 2.1

Source description (English)

Laguna XS 2.1 is the latest coding agent model in the 33B-A3B category from Poolside and a step forward from their Laguna XS.2 model (released in April 2026). It combines...

Overview

Model specifications

Context
262,144 tokens
Maximum output
32,768 tokens
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.06
per 1M tokens
Output
$0.12
per 1M tokens
Cache read
$0.03
per 1M tokens
API

Model configuration

Reasoning

Reasoning required
No
Default parameters
Yes
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body 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","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

InputOutput

Input
text
Output
text
Reasoning

Yes

API

Supported API parameters

include_reasoningmax_tokensreasoningtemperaturetool_choicetools
Available providers

1 Provider

Checked: September 7, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Poolside

fp8
Context
262K
Maximum output
33K
Input
$0.06
Output
$0.12
Cache read
$0.03
Cache write
Not provided
poolside

3 models

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