AI model comparison

GPT-5.4 Mini vs GPT-5

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

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads.

Input / 1M
$0.75
Output / 1M
$4.50
Context
400K
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OpenAI

GPT-5

GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience.

Input / 1M
$1.25
Output / 1M
$10
Context
400K

At a glance

Quick verdict

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

Lower price

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GPT-5.4 Mini

2.0x cheaper for a typical chat

Higher intelligence score

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GPT-5.4 Mini

24.1 vs 23 on Artificial Analysis

Larger context window

Tie

400K vs 400K tokens

Newer release

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GPT-5.4 Mini

Released March 17, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

openai logoGPT-5.4 Mini24.1
openai logoGPT-523

Coding index

openai logoGPT-5.4 Mini56.1
openai logoGPT-537.8

Agentic index

openai logoGPT-5.4 Mini17.9
openai logoGPT-5Not available

Pricing

GPT-5.4 Mini vs GPT-5 API pricing

Per-token API rates. Cheaper option highlighted.

Metricopenai logoGPT-5.4 Miniopenai logoGPT-5
Input tokensPer 1M tokens$0.75$1.25
Output tokensPer 1M tokens$4.50$10
Cached input (read)Per 1M tokens$0.08$0.13
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 logoGPT-5.4 Mini$3.75
openai logoGPT-5$7.50

Coding task

30K in, 4K out

openai logoGPT-5.4 Mini$40.50$20.25 cached
openai logoGPT-5$77.50$43.75 cached

Long document summary

150K in, 2K out

openai logoGPT-5.4 Mini$121.50$20.25 cached
openai logoGPT-5$207.50$38.75 cached

Specs

Context window and capabilities

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

Metricopenai logoGPT-5.4 Miniopenai logoGPT-5
Context window400K tokens400K tokens
Max output128K tokens128K tokens
Input typesFile, Image, TextFile, Image, Text
Output typesTextText
Reasoning effort levelsExtra high, High, Medium, Low, NoneHigh, Medium, Low, Minimal
Default reasoning effortMediumMedium
Release dateMarch 17, 2026August 7, 2025

Features

Supported features

API features available for each model.

Metricopenai logoGPT-5.4 Miniopenai logoGPT-5
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureNot supportedNot supported
Stop sequencesNot supportedNot supported
Deterministic seedSupportedSupported
Verbosity controlSupportedSupported

Our take

GPT-5.4 Mini is 2.0x cheaper for a typical chat. GPT-5.4 Mini scores higher on the Artificial Analysis Intelligence Index (24.1 vs 23). 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 GPT-5.4 Mini or GPT-5 cheaper?

GPT-5.4 Mini is cheaper for a typical chat (2K input tokens and 500 output tokens). GPT-5.4 Mini costs $0.75 per 1M input tokens and $4.50 per 1M output tokens, while GPT-5 costs $1.25 per 1M input tokens and $10 per 1M output tokens.

Which has a bigger context window, GPT-5.4 Mini or GPT-5?

GPT-5.4 Mini supports up to 400K tokens of context, compared with 400K for GPT-5.

Is GPT-5.4 Mini smarter than GPT-5?

On the Artificial Analysis Intelligence Index, GPT-5.4 Mini scores 24.1 and GPT-5 scores 23, putting GPT-5.4 Mini ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use GPT-5.4 Mini and GPT-5 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see GPT-5.4 Mini and GPT-5 answer side by side and keep the better response.

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Why choose? Ask both.

Send one prompt to GPT-5.4 Mini and GPT-5 at the same time. Compare the answers side by side and keep the best one.