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OpenRouter

o3-pro model ID, context window & pricing

o-pro

Quick facts

Model ID openai/o3-pro
Source OpenRouter
Context Window 200000
Pricing $20.00 input / $80.00 output per 1M tokens
Capabilities tool calling, reasoning, structured output

Model overview

o3-pro is an AI model from OpenRouter with 200000 token context window and text, pdf, image input support.

Published pricing is $20.00 input and $80.00 output per 1M tokens.

  • Workloads that use text, pdf, image inputs with text outputs.
  • Agent and tool workflows that need function calling.
  • Reasoning-heavy prompts where stepwise problem solving matters.
Model ID openai/o3-pro
Provider OpenRouter
Family o-pro
Status -
Knowledge Cutoff 2024-05
Release Date 2025-06-10
Input Modalities text, pdf, image
Output Modalities text
Context Window 200000
Input Limit -
Output Limit 100000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control No
Open Weights No
Input Cost / 1M tokens $20.00
Output Cost / 1M tokens $80.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -