Last refreshed 2026-05-22. 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 caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],openai/o3-proRequest 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
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $20.00 | $80.00 |
| OpenAI API | $20.00 | $80.00 |
| Vercel AI Gateway | $20.00 | $80.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $20.00 |
| Output tokens | $80.00 |
| Query | $10.00 |
Capabilities
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.
FAQ
What does o3-pro cost on Vercel AI Gateway?
On Vercel AI Gateway, o3-pro costs $20 per 1M input tokens and $80 per 1M output tokens.
What is the context window for o3-pro on Vercel AI Gateway?
o3-pro supports a 200,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other o3-pro providers?
o3-pro is available from 3 providers. The cheapest input pricing is $20/1M tokens from OpenRouter.
What API model ID do I use for o3-pro on Vercel AI Gateway?
Use the model ID openai/o3-pro when calling Vercel AI Gateway's API.
Who created o3-pro?
o3-pro was created by OpenAI as part of the o3 model family.
Is o3-pro open source?
o3-pro is not open source; the seed data lists it as proprietary.