OpenAIo3Tool use

o3 Mini High pricing

OpenAI o3-mini-high is the same model as [o3-mini](/openai/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, and coding. The model features three adjustable reasoning effort levels and supports key developer capabilities including function calling, structured outputs, and streaming, though it does not include vision processing capabilities. The model demonstrates significan. Live index: 1 priced offer. Best input $1.10 per million tokens from Openrouter. Best output $4.40 per million tokens from Openrouter.

128K context·1 provider·verified Mar 13, 2026
Best input$1.10per 1M tokens · Openrouter
Best output$4.40per 1M tokens · Openrouter

Pricing across providers

Use this table to read o3 Mini High list prices. We show 1 source right now. Lowest input in the grid: Openrouter. The chart below the table helps when output prices are much higher than input prices.

O
Openrouter
Input / 1M
$1.10
Output / 1M
$4.40

Input vs output · 1M tokens

Cost calculator

The calculator uses the same dollars per million tokens as the table. Adjust sliders to see how o3 Mini High cost scales with traffic.

In: $1.10/M·Out: $4.40/M

0.110000¢ / req

0.220000¢ / req

Daily
$33
Monthly
$990
Annual
$12.0K

Model specifications

These fields describe o3 Mini High as we store it (Family: o3. source: OpenAI). They sit next to price so buyers can check limits and tools in one place.

Context window
128,000 tokens
Max output
65,536 tokens
Vision (images)
No
Tool / function calling
Yes
Streaming
No
Released
Feb 2025
Primary provider
OpenAI
Model family
o3

Compare o3 Mini High

Open a pair page to see o3 Mini High next to another model with a shared provider matrix. 6 shortcuts below.

Frequently asked questions

Answers pull from the same numbers you see on this page. The short model note from our index: OpenAI o3-mini-high is the same model as [o3-mini](/openai/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, m...

Yes. o3 Mini High is available on Openrouter.

Also from OpenAI

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