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

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

SpecOpenAI: GPT-4o AudioOpenAI: GPT-5.4 Pro
ProviderOpenAIOpenAI
Context Length128K1.1M
Max Output16K128K
Input Price/1M$2.50$30
Output Price/1M$10$180
Cache Read/1MFreeFree
Cache Write/1MFreeFree
Input ModalitiesAudio + TextText + Image + File
Output ModalitiesText + AudioText
TokenizerGPTGPT
ModeratedYesYes
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OpenAI: GPT-4o Audio vs OpenAI: GPT-5.4 Pro -- AI Model Comparison | AIToolRank