OpenAI API exposes o3-pro through model ID o3-pro. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-05-19. Next refresh: weekly.
Quick Start
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Code Examples
Install
pip install openaiAPI key
OPENAI_API_KEYModel ID
o3-proUse the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="o3-pro",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Pricing on OpenAI API
| Type | Price (per 1M) |
|---|---|
| Input tokens | $20.00 |
| Output tokens | $80.00 |
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.
Model Specs
Released2025-06-10
Context200k
ArchitectureDecoder Only
Knowledge cutoff2025-08