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API pricing per million tokens

o4-mini ReasoningChecked 6h ago
Cost calculator Compare
Input
$1.1
per 1M, list
Output
$4.4
per 1M tokens
Cached input
$0.275
batch $0.55 / $2.2
Context
200K
100K max output

Where to buy it (1)

  • OpenAI (list)the lab's own API$1.1 / $4.4cached $0.275

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $198.00 direct.

Related models

About o4 Mini

OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.

Takes image, text, files in and returns text. First listed Apr 23, 2025. Blended price $1.93 per 1M tokens at 3 input to 1 output.

Questions

How much does o4 Mini cost?

$1.1 per million input tokens and $4.4 per million output tokens, with cached input at $0.275, or $0.55 and $2.2 through the Batch API.

What is the context window of o4 Mini?

200K tokens, with up to 100K tokens of output.

List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.

Weekly: LLM API list prices that changed, Thursday mornings.