GPTvsGPT

GPT 5 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 Mini

Fast / Budget

o1 Pro

Flagship
Input $/MTok
$0.25
$150.00
Output $/MTok
$2.00
$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 Mini
o1 Pro

Guidance

When to use GPT 5 Mini vs o1 Pro

Choose GPT 5 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 Mini
o1 Pro
100K tokens
$0.08Cheaper
$28.50
1M tokens
$0.77Cheaper
$285.00
10M tokens
$7.75Cheaper
$2850.00

FAQ

When should I use GPT 5 Mini instead of o1 Pro?

GPT 5 Mini and o1 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is o1 Pro cheaper than GPT 5 Mini?

o1 Pro input costs $150.00/MTok, which is 59900% more than GPT 5 Mini at $0.25/MTok.

What are the context window sizes for GPT 5 Mini and o1 Pro?

GPT 5 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.