GPTvsGPT

GPT 5.4 vs GPT 4

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

Pricing

Side-by-side pricing

GPT 5.4

Mid-tier

GPT 4

Flagship
Input $/MTok
$2.50
$30.00
Output $/MTok
$15.00
$60.00
Cache discount
90% off
0% off
Context
1.1M
8K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
63
vs
0
Code Review
82
vs
0
Summarization
67
vs
0
Q&A
91
vs
0
Extraction
76
vs
0
Reasoning
88
vs
0
Classification
88
vs
0
Creative Writing
79
vs
0
GPT 5.4
GPT 4

Guidance

When to use GPT 5.4 vs GPT 4

Choose GPT 5.4 when...

  • -Cost matters: 92% cheaper on input tokens
  • -You need a larger context window (1.1M vs 8K)

Choose GPT 4 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 4
100K tokens
$0.63Cheaper
$3.90
1M tokens
$10.25Cheaper
$39.00
10M tokens
$102.50Cheaper
$390.00

FAQ

When should I use GPT 5.4 instead of GPT 4?

GPT 5.4 and GPT 4 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 4 cheaper than GPT 5.4?

GPT 4 input costs $30.00/MTok, which is 1100% more than GPT 5.4 at $2.50/MTok.

What are the context window sizes for GPT 5.4 and GPT 4?

GPT 5.4 has a 1.1M token context window. GPT 4 has a 8K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.