Compare AI Models

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

Model	Intelligence	MMLU Pro	Context	GPQA	TTFT (s)	Speed (T/s)	Input Price (1M)	Output Price (1M)
OpenAI: GPT-5.3 Chat openai	-	-	128K	-	-	-	$1.75	$14.00
OpenAI: GPT-5.3-CodexNew openai	54.0	-	400K	91.5%	73.81	65	$1.75	$14.00