Compare models

gpt-5.4 vs claude-sonnet-4-5-20250929

Compare gpt-5.4 and claude-sonnet-4-5-20250929 side by side: input and output price per 1M tokens, context window, endpoints, and pricing type on ZipFlow.

Modelgpt-5.4Cheaper inputclaude-sonnet-4-5-20250929
ProviderOpenAIAnthropic
Context--
Input / 1M$ 0.45$ 0.54
Output / 1M$ 2.7$ 2.7
Cache / 1M$ 0.24$ 0.054
EndpointsChat, Response, Response, anthropic, gemini, openai-alpha-searchChat, Response, Response, anthropic, gemini, openai-alpha-search
Pricing typePer-tokenPer-token
gpt-5.4 vs claude-sonnet-4-5-20250929 | ZipFlow