GPTvsGPT

GPT 3.5 Turbo (0125) 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 3.5 Turbo (0125)

Fast / Budget

GPT 5.4 Nano

Fast / Budget
Input $/MTok
$0.50
$0.20
Output $/MTok
$1.50
$1.25
Cache discount
0% off
90% off
Context
16.385K
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 3.5 Turbo (0125)
GPT 5.4 Nano

Guidance

When to use GPT 3.5 Turbo (0125) vs GPT 5.4 Nano

Choose GPT 3.5 Turbo (0125) when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose GPT 5.4 Nano when...

  • -Cost matters: 60% cheaper on input tokens
  • -You need a larger context window (272K vs 16.385K)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 3.5 Turbo (0125)
GPT 5.4 Nano
100K tokens
$0.08
$0.05Cheaper
1M tokens
$0.80
$0.52Cheaper
10M tokens
$8.00
$5.15Cheaper

FAQ

When should I use GPT 3.5 Turbo (0125) instead of GPT 5.4 Nano?

GPT 3.5 Turbo (0125) 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 3.5 Turbo (0125)?

Yes. GPT 5.4 Nano input costs $0.20/MTok vs $0.50/MTok for GPT 3.5 Turbo (0125), saving 60% on input.

What are the context window sizes for GPT 3.5 Turbo (0125) and GPT 5.4 Nano?

GPT 3.5 Turbo (0125) has a 16.385K 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.