AI model comparison

o4 Mini vs GPT-4.1

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

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.

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

GPT-4.1

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.

Input / 1M
$2
Output / 1M
$8
Context
1.05M

At a glance

Quick verdict

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

Lower price

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o4 Mini

1.8x cheaper for a typical chat

Higher intelligence score

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o4 Mini

16.7 vs 12.7 on Artificial Analysis

Larger context window

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GPT-4.1

1.05M vs 200K tokens

Newer release

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o4 Mini

Released April 16, 2025

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

openai logoo4 Mini16.7
openai logoGPT-4.112.7

Coding index

openai logoo4 MiniNot available
openai logoGPT-4.1Not available

Agentic index

openai logoo4 MiniNot available
openai logoGPT-4.1Not available

Pricing

o4 Mini vs GPT-4.1 API pricing

Per-token API rates. Cheaper option highlighted.

Metricopenai logoo4 Miniopenai logoGPT-4.1
Input tokensPer 1M tokens$1.10$2
Output tokensPer 1M tokens$4.40$8
Cached input (read)Per 1M tokens$0.28$0.50
Cache writePer 1M tokensNot availableNot available
Web searchPer request$0.01$0.01

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 logoo4 Mini$4.40
openai logoGPT-4.1$8

Coding task

30K in, 4K out

openai logoo4 Mini$50.60$25.85 cached
openai logoGPT-4.1$92$47 cached

Long document summary

150K in, 2K out

openai logoo4 Mini$173.80$50.05 cached
openai logoGPT-4.1$316$91 cached

Specs

Context window and capabilities

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

Metricopenai logoo4 Miniopenai logoGPT-4.1
Context window200K tokens1.05M tokens
Max output100K tokens33K tokens
Input typesFile, Image, TextFile, Image, Text
Output typesTextText
Reasoning effort levelsNot availableNot available
Default reasoning effortNot availableNot available
Release dateApril 16, 2025April 14, 2025

Features

Supported features

API features available for each model.

Metricopenai logoo4 Miniopenai logoGPT-4.1
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedNot supported
TemperatureNot supportedSupported
Stop sequencesNot supportedNot supported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

o4 Mini is 1.8x cheaper for a typical chat. o4 Mini scores higher on the Artificial Analysis Intelligence Index (16.7 vs 12.7). GPT-4.1 has the larger context window (1.05M vs 200K 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 o4 Mini or GPT-4.1 cheaper?

o4 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). o4 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens, while GPT-4.1 costs $2 per 1M input tokens and $8 per 1M output tokens.

Which has a bigger context window, o4 Mini or GPT-4.1?

GPT-4.1 supports up to 1.05M tokens of context, compared with 200K for o4 Mini.

Is o4 Mini smarter than GPT-4.1?

On the Artificial Analysis Intelligence Index, o4 Mini scores 16.7 and GPT-4.1 scores 12.7, putting o4 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use o4 Mini and GPT-4.1 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see o4 Mini and GPT-4.1 answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to o4 Mini and GPT-4.1 at the same time. Compare the answers side by side and keep the best one.