How much does gpt-5.1-codex cost per 1M tokens?

Pricing for gpt-5.1-codex is currently unpublished. Check back daily — ModelPriceLab tracks every change.

Who provides gpt-5.1-codex?

gpt-5.1-codex is provided by OpenAI. ModelPriceLab also tracks third-party platforms that resell or proxy this model.

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

OpenAI gpt-5.1-codex 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

$10.00

Context window

—

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

Platform	Region	Input / 1M	Output / 1M	Cached input	Context
openrouter	global	-	$10.00	$0.13	—

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

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

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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How much does gpt-5.1-codex cost per 1M tokens?: Pricing for gpt-5.1-codex is currently unpublished. Check back daily — ModelPriceLab tracks every change.
Who provides gpt-5.1-codex?: gpt-5.1-codex is provided by OpenAI. ModelPriceLab also tracks third-party platforms that resell or proxy this model.
When was gpt-5.1-codex'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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