tokevenGPTvsGPT
GPT 5.4 vs GPT 3.5 Turbo
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.4
Mid-tierGPT 3.5 Turbo
Fast / BudgetInput $/MTok
$2.50
$0.50
Output $/MTok
$15.00
$1.50
Cache discount
90% off
0% off
Context
1,050K
16.385K
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 3.5 Turbo
Guidance
When to use GPT 5.4 vs GPT 3.5 Turbo
Choose GPT 5.4 when...
- -You need a larger context window (1,050K vs 16.385K)
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 3.5 Turbo when...
- -Cost matters: 80% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.4
GPT 3.5 Turbo
100K tokens
$0.63
$0.08Cheaper
1M tokens
$10.25
$0.80Cheaper
10M tokens
$102.50
$8.00Cheaper
FAQ
When should I use GPT 5.4 instead of GPT 3.5 Turbo?
GPT 5.4 and GPT 3.5 Turbo perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 3.5 Turbo cheaper than GPT 5.4?
Yes. GPT 3.5 Turbo input costs $0.50/MTok vs $2.50/MTok for GPT 5.4, saving 80% on input.
What are the context window sizes for GPT 5.4 and GPT 3.5 Turbo?
GPT 5.4 has a 1,050K token context window. GPT 3.5 Turbo has a 16.385K 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 3.5 Turbo 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.