o3-pro on Vercel AI Gateway

o3 · OpenAI

Serverless

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

Why use o3-pro on Vercel AI Gateway?

Vercel AI Gateway offers o3-pro with pay-as-you-go pricing at $20.00/1M 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-pro across 3 providers to find the best fit for your use case
Input / 1M
$20.00
Output / 1M
$80.00
Cache
Not sourced
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-pro

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

Gotchas

  • Use provider model ID "openai/o3-pro", not the LLMReference slug "o3-pro".
  • 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-pro Across Providers

ProviderInput (per 1M)Output (per 1M)
OpenRouter$20.00$80.00
OpenAI API$20.00$80.00
Vercel AI Gateway$20.00$80.00

Pricing

TypePrice (per 1M)
Input tokens$20.00
Output tokens$80.00
Query$10.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode Execution

About o3-pro

Advanced o3 reasoning model for complex math, science, and coding problems. Supports tools, vision, and extended thinking. Available to Pro users. Released June 10, 2025.

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Model Specs

Released2025-06-10
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-08

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