How much does OpenAI: o3 Mini High cost per 1M tokens?

OpenAI: o3 Mini High costs $1.10 per 1M input tokens and $4.40 per 1M output tokens on the standard tier. Cached input is $0.550 per 1M.

What is OpenAI: o3 Mini High's context window?

OpenAI: o3 Mini High accepts up to 200,000 tokens in a single request, and can return up to 100,000 output tokens.

Is there a cheaper OpenRouter model than OpenAI: o3 Mini High?

Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.10 for OpenAI: o3 Mini High, with a 16,385 token context window.

Where does this OpenAI: o3 Mini High price come from?

From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

OpenAI: o3 Mini High pricing

OpenAI o3-mini-high is the same model as o3-mini with reasoning effort set to high. o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics… OpenAI: o3 Mini High from OpenRouter costs $1.10 per 1M input tokens and $4.40 per 1M output tokens. Cached input is $0.550 per 1M. Context window 200,000 tokens.

API id openai/o3-mini-high · OpenRouter · source · updated 2026-09-25 · general-purpose

$1.10

Input / 1M tokens

$4.40

Output / 1M tokens

$0.550

Cached input / 1M

200K

Context window

OpenAI: o3 Mini High specifications

Provider: OpenRouter
API id: openai/o3-mini-high
Model type: general-purpose
Context window: 200K tokens
Max output: 100K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

What OpenAI: o3 Mini High costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0033
Document summary	50,000	2,000	$0.06
1M tokens in, 200K out	1,000,000	200,000	$1.98

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does OpenAI: o3 Mini High cost per 1M tokens?: OpenAI: o3 Mini High costs $1.10 per 1M input tokens and $4.40 per 1M output tokens on the standard tier. Cached input is $0.550 per 1M.
What is OpenAI: o3 Mini High's context window?: OpenAI: o3 Mini High accepts up to 200,000 tokens in a single request, and can return up to 100,000 output tokens.
Is there a cheaper OpenRouter model than OpenAI: o3 Mini High?: Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $1.10 for OpenAI: o3 Mini High, with a 16,385 token context window.
Where does this OpenAI: o3 Mini High price come from?: From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

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OpenAI: o3 Mini High specifications

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What OpenAI: o3 Mini High costs in practice

Common questions

Head-to-head comparisons

Other OpenRouter models