OpenAI: GPT Audio Mini vs OpenAI: GPT-5.3 Chat

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

SpecOpenAI: GPT Audio MiniOpenAI: GPT-5.3 Chat
ProviderOpenAIOpenAI
Context Length128K128K
Max Output16K16K
Input Price/1M$0.60$1.75
Output Price/1M$2.40$14
Cache Read/1MFree$0.17
Cache Write/1MFreeFree
Input ModalitiesText + AudioText + Image + File
Output ModalitiesText + AudioText
TokenizerGPTGPT
ModeratedYesYes
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OpenAI: GPT Audio Mini vs OpenAI: GPT-5.3 Chat -- AI Model Comparison | AIToolRank