Compare AI Models

Comparing the specifications and intelligence benchmarks for OpenAI: GPT-5.2-Codex, OpenAI: GPT-5.3 Chat.

Model	Intelligence	MMLU Pro	Context	GPQA	TTFT (s)	Speed (T/s)	Input Price (1M)	Output Price (1M)
OpenAI: GPT-5.2-Codex openai	49.0	-	400K	89.9%	9.85	69	$1.75	$14.00
OpenAI: GPT-5.3 Chat openai	-	-	128K	-	-	-	$1.75	$14.00