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Pricing for o3 is currently unpublished.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.

OpenAI o3 Pricing — Latest API Costs & Updates

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

—

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.

Loading price history...

Estimate monthly spend using your current token volume and cache ratio.

Create a free account to keep a watchlist and weekly digest. Upgrade when you need full budgets, instant alerts, and exports.

Common upgrade trigger

When you need to share, export, or monitor a model continuously.

Monthly Input (Millions)

Monthly Output (Millions)

Cache Hit Ratio20%

Percentage of input tokens that match cached context.

Monthly cost comparison

No comparison data available.

How much does o3 cost per 1M tokens?: Pricing for o3 is currently unpublished.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.

Check your models and usage for free. See the relevant official changes, estimated cost, and a practical next step.