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OpenAI logoGPT-4.1 NanoOpenAI
Best input$0.10 /MTok
Best output$0.40 /MTok
Cache read$0.025
Context1.05M
Max output33K
Modalities inimage, text, file
Tool calling
Structured output
Reasoning
Vision
Audio input
Prompt caching
Providers3
Cheapest providerAzure
LicenseProprietary
ReleasedApr 14, 2025