Compare models

gpt-5.4-mini vs gpt-5.5

Compare gpt-5.4-mini and gpt-5.5 side by side: input and output price per 1M tokens, context window, endpoints, and pricing type on ZipFlow.

Modelgpt-5.4-miniCheaper inputgpt-5.5
ProviderOpenAIOpenAI
Context--
Input / 1M$ 0.36$ 0.9
Output / 1M$ 2.16$ 5.4
Cache / 1M$ 0.0072$ 0.09
EndpointsChat, Response, Response, anthropic, gemini, openai-alpha-searchChat, Response, Response, anthropic, gemini, openai-alpha-search
Pricing typePer-tokenPer-token
gpt-5.4-mini vs gpt-5.5 | ZipFlow