OpenAIGPT-5.5gpt-5.5·AvailableInput / 1M$5.00Output / 1M$30.00Cached / 1Mfrom $0.50Context1.05MImage inputSupportedTool callingSupportedStructured outputSupportedFirst availableApr 24, 2026Knowledge cutoffDec 01, 2025InputText, image
OpenAIGPT-5.6 Solgpt-5.6-sol·AvailableInput / 1M$4.00Output / 1M$20.00Cached / 1Mfrom $0.40Context1.05MImage inputSupportedTool callingSupportedStructured outputSupportedFirst availableJul 9, 2026Knowledge cutoffFeb 16, 2026InputText, image