GPTvsGPT

GPT 4o vs GPT 5.4 Mini

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 4o

Mid-tier

GPT 5.4 Mini

Fast / Budget
Input $/MTok
$2.50
$0.75
Output $/MTok
$10.00
$4.50
Cache discount
50% off
90% off
Context
128K
272K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
GPT 4o
GPT 5.4 Mini

Guidance

When to use GPT 4o vs GPT 5.4 Mini

Choose GPT 4o when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 5.4 Mini when...

  • -Cost matters: 70% cheaper on input tokens
  • -You need a larger context window (272K vs 128K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4o
GPT 5.4 Mini
100K tokens
$0.47
$0.19Cheaper
1M tokens
$4.75
$1.87Cheaper
10M tokens
$47.50
$18.75Cheaper

FAQ

When should I use GPT 4o instead of GPT 5.4 Mini?

GPT 4o and GPT 5.4 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 5.4 Mini cheaper than GPT 4o?

Yes. GPT 5.4 Mini input costs $0.75/MTok vs $2.50/MTok for GPT 4o, saving 70% on input.

What are the context window sizes for GPT 4o and GPT 5.4 Mini?

GPT 4o has a 128K token context window. GPT 5.4 Mini has a 272K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.