Using Mistral Magistral Small 2509 on Vercel AI Gateway

Implementation guide · Magistral · MistralAI

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Vercel AI Gateway exposes Mistral Magistral Small 2509 through model ID mistral/magistral-small. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-06-29. 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 mistral/magistral-small — see the documentation for request format.
  3. 3
    You'll be billed $0.50/1M input, $1.50/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

Install
pip install openai
API key
AI_GATEWAY_API_KEY
Model ID
mistral/magistral-small

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="mistral/magistral-small",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

TypePrice (per 1M)
Input tokens$0.50
Output tokens$1.50

Capabilities

No model capability flags are currently sourced.

About Mistral Magistral Small 2509

Mistral Magistral Small 2509 is MistralAI's Magistral model. It was released 2025-09-01.

Full model details →

Model Specs

Released2025-09-01
Parameters24B

Also available on(1)

AWS Bedrock$0.50/1M
Compare all providers →

Provider

Vercel AI Gateway

Vercel