GPT-5.4 vs Grok 3

Pick two tools from the same category to compare side-by-side.

	GPT-5.4 OpenAI's more affordable frontier model for coding and professional work, sitting below GPT-5.5.	Grok 3 xAI's frontier model with real-time X data access.
Category	model	model
Vendor type	commercial	commercial
Pricing	usage	free
Strengths	+ Half the per-token price of GPT-5.5 while staying in the frontier coding/professional tier + 1M-token context window with up to 128K output tokens + mini variant targeted at subagent and computer-use workloads for high-volume agent fleets	+ Real-time X data access + Frontier-tier reasoning
Tradeoffs	− OpenAI directs complex reasoning and coding to GPT-5.5 instead − Older knowledge cutoff (Aug 31, 2025) than GPT-5.5	− xAI-specific platform − Smaller agent-tooling ecosystem
Used in stacks	0	0