GPTvsGPT

GPT 4o Mini vs GPT 5.4 Nano

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

Pricing

Side-by-side pricing

GPT 4o Mini

Fast / Budget

GPT 5.4 Nano

Fast / Budget
Input $/MTok
$0.15
$0.20
Output $/MTok
$0.60
$1.25
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 Mini
GPT 5.4 Nano

Guidance

When to use GPT 4o Mini vs GPT 5.4 Nano

Choose GPT 4o Mini when...

  • -Cost matters: 25% cheaper on input tokens

Choose GPT 5.4 Nano when...

  • -You need a larger context window (272K vs 128K)
  • 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 4o Mini
GPT 5.4 Nano
100K tokens
$0.03Cheaper
$0.05
1M tokens
$0.28Cheaper
$0.52
10M tokens
$2.85Cheaper
$5.15

FAQ

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

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

Is GPT 5.4 Nano cheaper than GPT 4o Mini?

GPT 5.4 Nano input costs $0.20/MTok, which is 33% more than GPT 4o Mini at $0.15/MTok.

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

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