Which model is cheaper, GPT-5.4 or Grok 4?

GPT-5.4 costs less at $17.50/1M combined tokens vs $18.00/1M. That difference adds up over thousands of API calls.

Which model is faster, GPT-5.4 or Grok 4?

Grok 4 is faster at 75 tokens/second vs 61 tokens/second. Speed matters most for interactive applications and real-time agent workflows.

Compare/GPT-5.4 vs Grok 4

GPT-5.4 vs Grok 4

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

Quick Verdict

GPT-5.4 has higher benchmark scores and costs less per token. Grok 4 offers competitive value. For budget-conscious users, go with GPT-5.4. For maximum quality, choose GPT-5.4.

Specification Comparison

	GPT-5.4	Grok 4
Provider	OpenAI	xAI
Tier	Premium	Premium
Quality Score	57	53
Input Price	$2.50/1M	$3.00/1M
Output Price	$15.00/1M	$15.00/1M
Speed	61 tok/s	75 tok/s
Context Window	1.1M	2.0M
Max Output	128K	128K
Reasoning	Yes	Yes
Vision	Yes	Yes

Monthly Cost Comparison (100 tasks/month)

Task	GPT-5.4	Grok 4	Savings
Coding	$33.75	$35.10	GPT-5.4 saves $1.35
Writing	$9.00	$9.36	GPT-5.4 saves $0.36
Analysis	$18.75	$19.50	GPT-5.4 saves $0.75
Research	$15.00	$15.60	GPT-5.4 saves $0.60
Math & Reasoning	$11.25	$11.70	GPT-5.4 saves $0.45
General Chat	$2.25	$2.34	GPT-5.4 saves $0.09

Strengths

GPT-5.4

codinganalysismathgeneralwriting

Grok 4

codingmathanalysisresearch

Frequently Asked Questions

It depends on your priorities. GPT-5.4 has a higher quality score (57 vs 53), while GPT-5.4 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.