How much does o3-pro cost per 1M tokens?

o3-pro is priced at $20.00 per 1M input tokens and $80.00 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.

o3-pro is provided by OpenAI. ModelPriceLab also tracks third-party platforms that resell or proxy this model.

What does the price record timestamp mean?

It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.

What is the context window for o3-pro?

o3-pro supports up to 200,000 tokens per request, with a max output of 100,000 tokens.

ModelPriceLab

Public data feed

OpenAI

o3-pro pricing

Compare stored list-price records, context window, and recent API changes. Source links are shown where available; verify current provider terms before deciding.

Input / 1M Tokens

$20.00

Output / 1M Tokens

$80.00

Context window

200,000

Record updated 2026-08-19 · openrouter

Model details Vendor API pricing Related API changes Check stack cost impact

Pricing per platform

Same model, different platforms. Cached input prices apply when supported.

Platform	Region	Input / 1M	Output / 1M	Cached input	Context
openrouter View source	global	$20.00	$80.00	-	200,000
official No source link stored	global	-	-	-	—

Price history

Stored record history where available. Timestamps reflect database updates, not independent source verification.

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Monthly Input (Millions)

Monthly Output (Millions)

Cache Hit Ratio20%

Percentage of input tokens that match cached context.

Lowest listed-rate estimate

o3 Pro

OpenAI

$180.00/mo

Monthly cost comparison

OpenAI

o3 Pro

$180.00/mo

Input$80.00

Cached input$20.00

Output$80.00

Lowest cost in this comparison

Frequently asked questions

How much does o3-pro cost per 1M tokens?: o3-pro is priced at $20.00 per 1M input tokens and $80.00 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.
Who provides o3-pro?: o3-pro is provided by OpenAI. ModelPriceLab also tracks third-party platforms that resell or proxy this model.
What does the price record timestamp mean?: It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.
What is the context window for o3-pro?: o3-pro supports up to 200,000 tokens per request, with a max output of 100,000 tokens.

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OpenAI o3-pro API Pricing — Token Costs & Alternatives