OpenAI: GPT-4 Turbo vs OpenAI: GPT-5.4

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

SpecOpenAI: GPT-4 TurboOpenAI: GPT-5.4
ProviderOpenAIOpenAI
Context Length128K1.1M
Max Output4K128K
Input Price/1M$10$2.50
Output Price/1M$30$15
Cache Read/1MFree$0.25
Cache Write/1MFreeFree
Input ModalitiesText + ImageText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes