How much does o4 Mini High cost?

o4 Mini High costs $1.10 per million input tokens and $4.40 per million output tokens on standard pricing. A workload of 20M input and 5M output tokens a month is about $44.

What is the context length of o4 Mini High?

o4 Mini High accepts up to 200,000 tokens (200K) of input and can return up to 100,000 tokens in one response.

Does o4 Mini High support tool calling and structured outputs?

Yes, o4 Mini High supports function/tool calling and structured (JSON) outputs. Supported tools: Function calling, Structured outputs, JSON mode, Reasoning, Deterministic seed, Prompt caching.

What inputs and outputs does o4 Mini High support?

o4 Mini High accepts Image, Text, PDF as input and produces Text as output.

When was o4 Mini High released?

o4 Mini High was released by OpenAI in 2025-04-16.

o4 Mini High

o4-mini-high

API Provider site

OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high. OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining... Built by OpenAI.

Prices updated recently

Input price

$1.10

per 1M tokens · Standard

Output price

$4.40

per 1M tokens · Standard

Input limit

200K

tokens

Output limit

100K

tokens

Input formats

TextImageVideoAudioPDF

Output formats

TextImageVideoAudioPDF

Compare

o4 Mini High price history

2 price records since 9/25/2026

o4 Mini High cost calculator

Input20M tokens

Output5M tokens

$44/month

Standard pricing

Overview

What is o4 Mini High?

o4 Mini High is a text & reasoning and vision model from OpenAI. OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high. OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining... Its 200K context window and $1.10 input price make it a candidate for quality-focused production applications.

Image understandingDocument analysisContent workflowsClassification

Rates

o4 Mini High pricing

Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.

Input · Standard

$1.10

Per 1M tokens

Cached input · Standard

$0.28

Per 1M tokens

Capabilities

o4 Mini High Tools

Tools available when using o4 Mini High through supported provider APIs.

Function calling

Supported

Structured outputs

Supported

JSON mode

Supported

Reasoning

Supported

Built-in web search

Not supported

Log probabilities

Not supported

Deterministic seed

Supported

Parallel tool calls

Not supported

Prompt caching

Supported

Strengths and limitations

Strengths

Priced at $1.10 input and $4.40 output per million tokens.
200K context supports large documents, repositories and extended conversations.
Supports text & reasoning and vision workloads in one model.

Limitations

Generated tokens cost 4× more than input tokens, which matters for verbose responses.
Large context capacity does not guarantee consistent retrieval across the entire prompt.
Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.

Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.

Same provider