Using Laguna S 2.1 on Vercel AI Gateway

Implementation guide · Laguna · Poolside

Serverless
Open Weights

Vercel AI Gateway exposes Laguna S 2.1 through model ID poolside/laguna-s-2.1. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-19. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at Vercel AI Gateway and generate an API key.
  2. 2
    Use the Vercel AI Gateway SDK or REST API to call poolside/laguna-s-2.1 — see the documentation for request format.
  3. 3
    You'll be billed $0.09/1M input, $0.18/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
poolside/laguna-s-2.1

creator/model-name e.g. kwaipilot/kat-coder-pro-v2

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="poolside/laguna-s-2.1",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

TypePrice (per 1M)
Input tokens$0.09
Output tokens$0.18

Capabilities

ReasoningJSON / Tool use

About Laguna S 2.1

Laguna S 2.1 is Poolside's open-weight agentic coding MoE (118B-A8B). Announced 2026-07-21. FP paid endpoint $0.10/$0.20 per 1M (cache $0.01). License OpenMDW-1.1.

Full model details →

Model Specs

Released2026-07-21
Parameters118B-A8B
Context1M
ArchitectureMixture of Experts

Also available on(2)

OpenRouter$0.09/1MPoolside$0.10/1M
Compare all providers →

Provider

Vercel AI Gateway

Vercel