OpenAI: GPT-4o (2024-08-06) vs OpenAI: GPT-5.4 Pro

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

SpecOpenAI: GPT-4o (2024-08-06)OpenAI: GPT-5.4 Pro
ProviderOpenAIOpenAI
Context Length128K1.1M
Max Output16K128K
Input Price/1M$2.50$30
Output Price/1M$10$180
Cache Read/1M$1.25Free
Cache Write/1MFreeFree
Input ModalitiesText + Image + FileText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedNoYes