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o3 Pro API pricing on OpenRouter

Every OpenRouter o3 Pro rate we track, compared against 1 provider serving the same model.

Input from /1M
$20.00
Output /1M
$80.00
Price rank
#1 of 1
Last updated
August 4, 2026

OpenRouter o3 Pro rates

Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.

OpenRouter o3 Pro pricing by mode
ModeInputOutput
Standard$20.00/1M$80.00/1M

About o3 Pro

Creator
OpenAI
Context
200K
Modalities
text, image
Full o3 Pro details and every provider →

About OpenRouter

OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.

Frequently Asked Questions

How much does o3 Pro cost on OpenRouter?

OpenRouter serves o3 Pro from $20.00 per 1M input tokens, across 1 tracked pricing mode. Prices are collected daily — see the table above for current input, output, and cached-input rates.

Is OpenRouter the cheapest way to run o3 Pro?

Of the 1 providers we track serving o3 Pro, OpenRouter currently has the lowest input price. Rates change often, and throughput and latency differ between providers — check the comparison above before committing.

Does OpenRouter offer batch or cached pricing for o3 Pro?

We track 1 o3 Pro offering from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.