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OpenAI: GPT-5
openai/gpt-5
VisionTool useJSONReasoningStreaming
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
Pricing
Input
$1.25 / 1M
Output
$10.00 / 1M
Specs
Context
400,000 tokens
Input
text, image, file
Output
text
Knowledge cutoff: 2024-09-30
Released: 2025-08
Supported parameters
include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools