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OpenAI

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.

At a glance

Input / 1M
$1.10
Output / 1M
$4.40
Context
200K
Max output
100K
Intelligence
16.7
Released
Apr 2025
Image inputText inputFile inputReasoningTool calling

Pricing

o4 Mini API pricing

Per-token rates, plus what common tasks actually cost.

Input tokensPer 1M tokens$1.10
Output tokensPer 1M tokens$4.40
Cached input (read)Per 1M tokens$0.28
Cache writePer 1M tokensNot available
Web searchPer request$0.01

Chat message

2K in, 500 out

$4.40

per 1,000 requests

Coding task

30K in, 4K out

$50.60

per 1,000 requests

Long document summary

150K in, 2K out

$173.80

per 1,000 requests

Benchmarks

o4 Mini benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

16.7

Coding index

Not available

Agentic index

Not available

Specs

Context window and capabilities

What it can read, what it can write, and which API features it supports.

Context window
200K tokens
Max output
100K tokens
Input types
File, Image, Text
Output types
Text
Reasoning effort
Not available
Release date
April 16, 2025
Knowledge cutoff
June 30, 2024
  • Tool calling
  • Structured outputs
  • JSON mode
  • Reasoning
  • Temperature
  • Stop sequences
  • Deterministic seed
  • Verbosity control

FAQ

Frequently asked questions

How much does o4 Mini cost?

o4 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens through the API. A typical chat message costs about $4.40 per 1,000 messages.

What is the context window of o4 Mini?

o4 Mini accepts up to 200K tokens of input and can write up to 100K tokens in a single response.

What is the best alternative to o4 Mini?

GPT-5.4 Mini from OpenAI is a strong alternative. It offers: higher intelligence score, larger 400k context, newer release.

Can I use o4 Mini alongside other models?

Yes. Shortcut Chat sends one prompt to o4 Mini and any other models you pick at the same time, so you can compare answers side by side.

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Try o4 Mini next to every other model.

Use o4 Mini alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.