AI model comparison

o3 Mini vs GPT-4o (2024-11-20)

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

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OpenAI

o3 Mini

OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding.

Input / 1M
$1.10
Output / 1M
$4.40
Context
200K

The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability.

Input / 1M
$2.50
Output / 1M
$10
Context
128K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

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o3 Mini

2.3x cheaper for a typical chat

Higher intelligence score

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o3 Mini

12.5 vs 8.4 on Artificial Analysis

Larger context window

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o3 Mini

200K vs 128K tokens

Newer release

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o3 Mini

Released January 31, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

openai logoo3 Mini12.5
openai logoGPT-4o (2024-11-20)8.4

Coding index

openai logoo3 MiniNot available
openai logoGPT-4o (2024-11-20)Not available

Agentic index

openai logoo3 MiniNot available
openai logoGPT-4o (2024-11-20)Not available

Pricing

o3 Mini vs GPT-4o (2024-11-20) API pricing

Per-token API rates. Cheaper option highlighted.

Metricopenai logoo3 Miniopenai logoGPT-4o (2024-11-20)
Input tokensPer 1M tokens$1.10$2.50
Output tokensPer 1M tokens$4.40$10
Cached input (read)Per 1M tokens$0.55$1.25
Cache writePer 1M tokensNot availableNot available
Web searchPer request$0.01Not available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

openai logoo3 Mini$4.40
openai logoGPT-4o (2024-11-20)$10

Coding task

30K in, 4K out

openai logoo3 Mini$50.60$34.10 cached
openai logoGPT-4o (2024-11-20)$115$77.50 cached

Long document summary

150K in, 2K out

openai logoo3 Mini$173.80$91.30 cached
openai logoGPT-4o (2024-11-20)$395$207.50 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricopenai logoo3 Miniopenai logoGPT-4o (2024-11-20)
Context window200K tokens128K tokens
Max output100K tokens16K tokens
Input typesFile, TextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateJanuary 31, 2025November 20, 2024

Features

Supported features

API features available for each model.

Metricopenai logoo3 Miniopenai logoGPT-4o (2024-11-20)
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedNot supported
TemperatureNot supportedSupported
Stop sequencesNot supportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

o3 Mini is 2.3x cheaper for a typical chat. o3 Mini scores higher on the Artificial Analysis Intelligence Index (12.5 vs 8.4). o3 Mini has the larger context window (200K vs 128K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is o3 Mini or GPT-4o (2024-11-20) cheaper?

o3 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). o3 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens, while GPT-4o (2024-11-20) costs $2.50 per 1M input tokens and $10 per 1M output tokens.

Which has a bigger context window, o3 Mini or GPT-4o (2024-11-20)?

o3 Mini supports up to 200K tokens of context, compared with 128K for GPT-4o (2024-11-20).

Is o3 Mini smarter than GPT-4o (2024-11-20)?

On the Artificial Analysis Intelligence Index, o3 Mini scores 12.5 and GPT-4o (2024-11-20) scores 8.4, putting o3 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use o3 Mini and GPT-4o (2024-11-20) at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see o3 Mini and GPT-4o (2024-11-20) answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to o3 Mini and GPT-4o (2024-11-20) at the same time. Compare the answers side by side and keep the best one.