GPT-5 Pro 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...
Developer
OpenAI
Release Date
October 6, 2025
Context Window
400,000 tokens≈ 533 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$15.00per million tokens
Output Cost
$120.00per million tokens
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