GPTvsGPT

GPT 5.4 Mini vs o1

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

Flagship
Input $/MTok
$0.75
$15.00
Output $/MTok
$4.50
$60.00
Cache discount
90% off
50% 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

Guidance

When to use GPT 5.4 Mini vs o1

Choose GPT 5.4 Mini when...

  • -Cost matters: 95% cheaper on input tokens
  • -You need a larger context window (272K vs 200K)

Choose o1 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
100K tokens
$0.19Cheaper
$2.85
1M tokens
$1.87Cheaper
$28.50
10M tokens
$18.75Cheaper
$285.00

FAQ

When should I use GPT 5.4 Mini instead of o1?

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

Is o1 cheaper than GPT 5.4 Mini?

o1 input costs $15.00/MTok, which is 1900% more than GPT 5.4 Mini at $0.75/MTok.

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

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