OpenAI: GPT-5.2 Chat vs OpenAI: GPT-5.4

Side-by-side model comparison based on OpenRouter API data.

SpecOpenAI: GPT-5.2 ChatOpenAI: GPT-5.4
ProviderOpenAIOpenAI
Context Length128K1.1M
Max Output16K128K
Input Price/1M$1.75$2.50
Output Price/1M$14$15
Cache Read/1M$0.17$0.25
Cache Write/1MFreeFree
Input ModalitiesFile + Image + TextText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes