GPTvsGPT

GPT 5.4 Mini vs o4 Mini

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

Pricing

Side-by-side pricing

GPT 5.4 Mini

Fast / Budget

o4 Mini

Fast / Budget
Input $/MTok
$0.75
$1.10
Output $/MTok
$4.50
$4.40
Cache discount
90% off
75% off
Context
272K
200K

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 5.4 Mini
o4 Mini

Guidance

When to use GPT 5.4 Mini vs o4 Mini

Choose GPT 5.4 Mini when...

  • -Cost matters: 32% cheaper on input tokens
  • -You need a larger context window (272K vs 200K)

Choose o4 Mini when...

  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.4 Mini
o4 Mini
100K tokens
$0.19Cheaper
$0.21
1M tokens
$1.87Cheaper
$2.09
10M tokens
$18.75Cheaper
$20.90

FAQ

When should I use GPT 5.4 Mini instead of o4 Mini?

GPT 5.4 Mini and o4 Mini perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is o4 Mini cheaper than GPT 5.4 Mini?

o4 Mini input costs $1.10/MTok, which is 47% more than GPT 5.4 Mini at $0.75/MTok.

What are the context window sizes for GPT 5.4 Mini and o4 Mini?

GPT 5.4 Mini has a 272K token context window. o4 Mini has a 200K token context window.

Track your real costs

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