Using MAI-Voice-2.1 on Vercel AI Gateway

Implementation guide · MAI · Microsoft AI

Serverless

Vercel AI Gateway exposes MAI-Voice-2.1 through model ID microsoft/mai-voice-2.1. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-06. Next refresh: weekly.

Quick Start

1
Create an account at Vercel AI Gateway and generate an API key.
2
Use the Vercel AI Gateway SDK or REST API to call microsoft/mai-voice-2.1 — see the documentation for request format.

API Portal Documentation Pricing Model Card

Code Examples

Install

pip install openai

API key

AI_GATEWAY_API_KEY

Model ID

microsoft/mai-voice-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="microsoft/mai-voice-2.1",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Pricing on Vercel AI Gateway

Capabilities

Audio

About MAI-Voice-2.1

MAI-Voice-2.1 is Microsoft AI's highest-fidelity text-to-speech model, launched 1 October 2026. It supports 23 languages and 26 locales with a single voice speaking all of them with a native accent, voice cloning from a few seconds of reference audio, and strong long-form generation. Priced at $22 per 1M characters.

Full model details →

Model Specs

Released2026-10-01

ArchitectureAudio / Speech

Vercel