OpenAI: GPT-5.1-Codex-Mini vs OpenAI: GPT-5.4 Mini

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

SpecOpenAI: GPT-5.1-Codex-MiniOpenAI: GPT-5.4 Mini
ProviderOpenAIOpenAI
Context Length400K400K
Max Output100K128K
Input Price/1M$0.25$0.75
Output Price/1M$2.00$4.50
Cache Read/1M$0.02$0.07
Cache Write/1MFreeFree
Input ModalitiesImage + TextFile + Image + Text
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedYesYes
Browse all models to add more comparisons