How much does gpt-oss-120b cost per 1M tokens?

gpt-oss-120b is priced at $0.03 per 1M input tokens and $0.17 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 gpt-oss-120b?

gpt-oss-120b 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 gpt-oss-120b?

gpt-oss-120b supports up to 131,072 tokens per request, with a max output of 131,072 tokens.

ModelPriceLab

Public data feed

OpenAI

gpt-oss-120b 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

$0.03

Output / 1M Tokens

$0.17

Context window

131,072

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
official View source	global	-	-	-	—
openrouter View source	global	$0.03	$0.17	$0.03	131,072

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

gpt-oss-120b

OpenAI

$0.32/mo

Monthly cost comparison

OpenAI

gpt-oss-120b

$0.32/mo

Input$0.12

Cached input$0.03

Output$0.17

Lowest cost in this comparison

Frequently asked questions

How much does gpt-oss-120b cost per 1M tokens?: gpt-oss-120b is priced at $0.03 per 1M input tokens and $0.17 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 gpt-oss-120b?: gpt-oss-120b 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 gpt-oss-120b?: gpt-oss-120b supports up to 131,072 tokens per request, with a max output of 131,072 tokens.

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OpenAI gpt-oss-120b API Pricing — Token Costs & Alternatives