How much does o3 cost per 1M tokens?

Pricing for o3 is currently unpublished. Check back daily — ModelPriceLab tracks every change.

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

When was o3's pricing last verified?

Prices are re-verified daily from official sources. The data on this page is taken from the latest crawl run.

Live Price Feed

OpenAI

Verified daily across official and reseller platforms. Compare cost per 1M tokens, context window, and recent API changes.

Input / 1M tokens

Output / 1M tokens

$8.00

Context window

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Last verified 2026-04-13 · openrouter

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

Platform	Region	Input / 1M	Output / 1M	Cached input	Context
openrouter	global	-	$8.00	$0.50	—

Track price changes over time. Data updated daily from official sources.

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Monthly Input (Millions)

Monthly Output (Millions)

Cache Hit Ratio20%

Percentage of input tokens that match cached context.

Monthly cost comparison

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How much does o3 cost per 1M tokens?: Pricing for o3 is currently unpublished. Check back daily — ModelPriceLab tracks every change.
Who provides o3?: o3 is provided by OpenAI. ModelPriceLab also tracks third-party platforms that resell or proxy this model.
When was o3's pricing last verified?: Prices are re-verified daily from official sources. The data on this page is taken from the latest crawl run.

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OpenAI o3 API Pricing — Token Costs & Alternatives