OpenAI: GPT-3.5 Turbo (older v0613) vs OpenAI: GPT-5.4 Nano

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

SpecOpenAI: GPT-3.5 Turbo (older v0613)OpenAI: GPT-5.4 Nano
ProviderOpenAIOpenAI
Context Length4K400K
Max Output4K128K
Input Price/1M$1.00$0.20
Output Price/1M$2.00$1.25
Cache Read/1MFree$0.02
Cache Write/1MFreeFree
Input ModalitiesTextFile + Image + Text
Output ModalitiesTextText
TokenizerGPTGPT
ModeratedNoYes