GPTvsGPT

GPT 5.4 Mini vs o1 Pro

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

o1 Pro

Flagship
Input $/MTok
$0.75
$150.00
Output $/MTok
$4.50
$600.00
Cache discount
90% off
0% 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
o1 Pro

Guidance

When to use GPT 5.4 Mini vs o1 Pro

Choose GPT 5.4 Mini when...

  • -Cost matters: 100% cheaper on input tokens
  • -You need a larger context window (272K vs 200K)

Choose o1 Pro 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
o1 Pro
100K tokens
$0.19Cheaper
$28.50
1M tokens
$1.87Cheaper
$285.00
10M tokens
$18.75Cheaper
$2850.00

FAQ

When should I use GPT 5.4 Mini instead of o1 Pro?

GPT 5.4 Mini and o1 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is o1 Pro cheaper than GPT 5.4 Mini?

o1 Pro input costs $150.00/MTok, which is 19900% more than GPT 5.4 Mini at $0.75/MTok.

What are the context window sizes for GPT 5.4 Mini and o1 Pro?

GPT 5.4 Mini has a 272K token context window. o1 Pro 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.