GPTvsGPT

GPT 5 vs GPT 5.4 Pro

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

Pricing

Side-by-side pricing

GPT 5

Mid-tier

GPT 5.4 Pro

Flagship
Input $/MTok
$1.25
$30.00
Output $/MTok
$10.00
$180.00
Cache discount
90% off
0% off
Context
272K
1,050K

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 5
GPT 5.4 Pro

Guidance

When to use GPT 5 vs GPT 5.4 Pro

Choose GPT 5 when...

  • -Cost matters: 96% cheaper on input tokens

Choose GPT 5.4 Pro when...

  • -You need a larger context window (1,050K vs 272K)
  • 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
GPT 5.4 Pro
100K tokens
$0.39Cheaper
$7.50
1M tokens
$3.88Cheaper
$123.00
10M tokens
$38.75Cheaper
$1230.00

FAQ

When should I use GPT 5 instead of GPT 5.4 Pro?

GPT 5 and GPT 5.4 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is GPT 5.4 Pro cheaper than GPT 5?

GPT 5.4 Pro input costs $30.00/MTok, which is 2300% more than GPT 5 at $1.25/MTok.

What are the context window sizes for GPT 5 and GPT 5.4 Pro?

GPT 5 has a 272K token context window. GPT 5.4 Pro has a 1,050K token context window.

Track your real costs

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