API price

o3 Pro API price

By OpenAI. $20.00 per million input tokens, $80.00 per million output tokens on OpenRouter. Collected October 19, 2026.

openai/o3-proClosed weights

Input /M tokens: $20.00
Output /M tokens: $80.00
Context (tokens): 200,000
Parameters: —
Released: June 10, 2025
Tracked since: August 22, 2026

Last 90 days

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