OpenAI: GPT-4o Audio vs OpenAI: GPT-5.4

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

SpecOpenAI: GPT-4o AudioOpenAI: GPT-5.4
ProviderOpenAIOpenAI
Context Length128K1.1M
Max Output16K128K
Input Price/1M$2.50$2.50
Output Price/1M$10$15
Cache Read/1MFree$0.25
Cache Write/1MFreeFree
Input ModalitiesAudio + TextText + Image + File
Output ModalitiesText + AudioText
TokenizerGPTGPT
ModeratedYesYes