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Poolside: Laguna S 2.1

poolside/laguna-s-2.1
textReasoning
Poolside's agentic coding model: 118B params (8B active), 70.2% on Terminal-Bench 2.1. 1M context, up to 131k output. One of the cheapest models in the catalog.
Price in / out
Cache, read / write
Context / Max output
1.05M / 131K
Released
Jul 21, 2026

Parameters

messagesrequired
max_tokensoptional · alias max_completion_tokens
streamtrue · false
toolsfunction calling (OpenAI format)
tool_choiceauto · none · required
web_search · · ·
providerrouting: order · only · ignore · sort
stream_options{"include_usage": true}
Fine-tuning · 1
temperature0–2

How to use via API

from openai import OpenAI

client = OpenAI(base_url="https://api.mixen.ai/v1", api_key="mxn-...")
resp = client.chat.completions.create(
    model="poolside/laguna-s-2.1",
    messages=[{"role": "user", "content": "Привет"}],
    temperature=0.7,
    max_tokens=1024,
    stream=False,
)
print(resp.choices[0].message.content)

# Стриминг: stream=True — ответ приходит чанками
for chunk in client.chat.completions.create(
    model="poolside/laguna-s-2.1",
    messages=[{"role": "user", "content": "Привет"}],
    stream=True,
):
    print(chunk.choices[0].delta.content or "", end="", flush=True)
API docsTry in the bot