GPT-5 vs GPT-5.4

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

	GPT-5 OpenAI's frontier model; broad capability, strong tool use.	GPT-5.4 OpenAI's more affordable frontier model for coding and professional work, sitting below GPT-5.5.
Category	model	model
Vendor type	commercial	commercial
Pricing	usage	usage
Strengths	+ First-class integration with OpenAI Agents SDK and Codex CLI + Broad ecosystem of tooling and integrations	+ 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
Tradeoffs	− Lock-in to OpenAI platform features (e.g., Responses API)	− OpenAI directs complex reasoning and coding to GPT-5.5 instead − Older knowledge cutoff (Aug 31, 2025) than GPT-5.5
Used in stacks	0	0