o3 Mini on Vercel AI Gateway

o3 · OpenAI

Serverless

Last refreshed 2026-06-29. Next refresh: weekly.

Why use o3 Mini on Vercel AI Gateway?

Vercel AI Gateway offers o3 Mini with pay-as-you-go pricing at $1.10/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.

Compare o3 Mini across 4 providers to find the best fit for your use case
Input / 1M
$1.10
Output / 1M
$4.40
Cache
read $0.55
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export AI_GATEWAY_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
Model ID
openai/o3-mini

Request example

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="openai/o3-mini",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Use provider model ID "openai/o3-mini", not the LLMReference slug "o3-mini".
  • creator/model-name e.g. kwaipilot/kat-coder-pro-v2
  • The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.

Compare o3 Mini Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenRouter$1.10$4.40
Azure OpenAI——
OpenAI API——
Vercel AI Gateway$1.10$4.40

Pricing

TypePrice (per 1M)
Input tokens$1.10
Output tokens$4.40

Capabilities

ReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt Caching

About o3 Mini

OpenAI o3-mini - cost-optimized reasoning model. Compact variant of reasoning model family.

Get Started

Model Specs

Released2025-01-31
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-04

Related Models on Vercel AI Gateway