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openaiOpenAI: GPT-5.2 Pro
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,...
openai/gpt-5.2-pro
Context Size
400K
Input Price
3,150,000 pts/M
Output Price
25,200,000 pts/M
Architecture
Image
Text
File
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools
Details
TokenizerGPT
Max Completion128,000 tokens
Provider Context400K tokens
ModeratedYes
CreatedDec 10, 2025