tokevenGPTvsGPT
GPT 4o 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
Mid-tierGPT 5.4 Nano
Fast / BudgetInput $/MTok
$2.50
$0.20
Output $/MTok
$10.00
$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
GPT 5.4 Nano
Guidance
When to use GPT 4o vs GPT 5.4 Nano
Choose GPT 4o when...
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 5.4 Nano when...
- -Cost matters: 92% cheaper on input tokens
- -You need a larger context window (272K vs 128K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4o
GPT 5.4 Nano
100K tokens
$0.47
$0.05Cheaper
1M tokens
$4.75
$0.52Cheaper
10M tokens
$47.50
$5.15Cheaper
FAQ
When should I use GPT 4o instead of GPT 5.4 Nano?
GPT 4o 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?
Yes. GPT 5.4 Nano input costs $0.20/MTok vs $2.50/MTok for GPT 4o, saving 92% on input.
What are the context window sizes for GPT 4o and GPT 5.4 Nano?
GPT 4o has a 128K token context window. GPT 5.4 Nano has a 272K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How GPT 4o and GPT 5.4 Nano stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.