Which model is cheaper, GPT-5.4 or GPT-5?

GPT-5 costs less at $11.25/1M combined tokens vs $17.50/1M. That difference adds up over thousands of API calls.

Which model is faster, GPT-5.4 or GPT-5?

GPT-5 is faster at 100 tokens/second vs 61 tokens/second. Speed matters most for interactive applications and real-time agent workflows.

Compare/GPT-5.4 vs GPT-5

GPT-5.4 vs GPT-5

Side-by-side comparison for AI agent model selection.

Quick Verdict

GPT-5.4 has higher benchmark scores. GPT-5 offers competitive value at a lower price point. For budget-conscious users, go with GPT-5. For maximum quality, choose GPT-5.4.

Specification Comparison

	GPT-5.4	GPT-5
Provider	OpenAI	OpenAI
Tier	Premium	Mid-Range
Quality Score	57	42
Input Price	$2.50/1M	$1.25/1M
Output Price	$15.00/1M	$10.00/1M
Speed	61 tok/s	100 tok/s
Context Window	1.1M	400K
Max Output	128K	32K
Reasoning	Yes	Yes
Vision	Yes	Yes

Monthly Cost Comparison (100 tasks/month)

Task	GPT-5.4	GPT-5	Savings
Coding	$33.75	$21.38	GPT-5 saves $12.38
Writing	$9.00	$5.70	GPT-5 saves $3.30
Analysis	$18.75	$11.88	GPT-5 saves $6.88
Math & Reasoning	$11.25	$7.13	GPT-5 saves $4.13
General Chat	$2.25	$1.42	GPT-5 saves $0.83

Strengths

GPT-5.4

codinganalysismathgeneralwriting

GPT-5

generalcodingwritinganalysis

Frequently Asked Questions

It depends on your priorities. GPT-5.4 has a higher quality score (57 vs 42), while GPT-5 is more affordable. For demanding tasks like coding or analysis, lean toward the higher-scoring model. For high-volume, cost-sensitive workloads, the cheaper option may be the smarter choice.