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OpenAI logoGPT-5.4 ProOpenAI
Best input$15.00 /MTok
Best output$90.00 /MTok
Cache read$3.00
Context1.05M
Max output128K
Modalities intext, image, file
Tool calling
Structured output
Reasoning
Vision
Audio input
Prompt caching
Providers3
Cheapest providerOpenAI
LicenseProprietary
ReleasedMar 5, 2026