OpenAI: o3 Deep Research vs OpenAI: GPT-5.4 Pro

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

SpecOpenAI: o3 Deep ResearchOpenAI: GPT-5.4 Pro
ProviderOpenAIOpenAI
Context Length200K1.1M
Max Output100K128K
Input Price/1M$10$30
Output Price/1M$40$180
Cache Read/1M$2.50Free
Cache Write/1MFreeFree
Input ModalitiesImage + Text + FileText + Image + File
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes