GPTvsGPT

GPT 4.1 Mini vs GPT 5 Nano

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

Pricing

Side-by-side pricing

GPT 4.1 Mini

Fast / Budget

GPT 5 Nano

Fast / Budget
Input $/MTok
$0.40
$0.05
Output $/MTok
$1.60
$0.40
Cache discount
75% off
90% off
Context
1,047.576K
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 4.1 Mini
GPT 5 Nano

Guidance

When to use GPT 4.1 Mini vs GPT 5 Nano

Choose GPT 4.1 Mini when...

  • -You need a larger context window (1,047.576K vs 272K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 5 Nano when...

  • -Cost matters: 88% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4.1 Mini
GPT 5 Nano
100K tokens
$0.08
$0.02Cheaper
1M tokens
$0.76
$0.15Cheaper
10M tokens
$7.60
$1.55Cheaper

FAQ

When should I use GPT 4.1 Mini instead of GPT 5 Nano?

GPT 4.1 Mini and GPT 5 Nano perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 5 Nano cheaper than GPT 4.1 Mini?

Yes. GPT 5 Nano input costs $0.05/MTok vs $0.40/MTok for GPT 4.1 Mini, saving 88% on input.

What are the context window sizes for GPT 4.1 Mini and GPT 5 Nano?

GPT 4.1 Mini has a 1,047.576K token context window. GPT 5 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.