tokevenGPTvsGPT
GPT 5.4 vs GPT 4o
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.4
Mid-tierGPT 4o
Mid-tierInput $/MTok
$2.50
$2.50
Output $/MTok
$15.00
$10.00
Cache discount
90% off
50% off
Context
1,050K
128K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
84
vs
0
Code Review
82
vs
0
Summarization
91
vs
0
Q&A
91
vs
0
Extraction
89
vs
0
Reasoning
80
vs
0
Classification
88
vs
0
Creative Writing
78
vs
0
GPT 5.4
GPT 4o
Guidance
When to use GPT 5.4 vs GPT 4o
Choose GPT 5.4 when...
- -You need a larger context window (1,050K vs 128K)
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 4o 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 5.4
GPT 4o
100K tokens
$0.63
$0.47Cheaper
1M tokens
$10.25
$4.75Cheaper
10M tokens
$102.50
$47.50Cheaper
FAQ
When should I use GPT 5.4 instead of GPT 4o?
GPT 5.4 and GPT 4o perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 4o cheaper than GPT 5.4?
Both models have the same input pricing at $2.50/MTok. Compare output pricing: $15.00 vs $10.00/MTok.
What are the context window sizes for GPT 5.4 and GPT 4o?
GPT 5.4 has a 1,050K token context window. GPT 4o has a 128K 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 5.4 and GPT 4o 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.