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OpenAI: GPT-5.2 Pro
openai/gpt-5.2-pro
VisionTool useJSONReasoningStreaming
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,...
Pricing
Input
$21.00 / 1M
Output
$168.00 / 1M
Specs
Context
400,000 tokens
Input
image, text, file
Output
text
Released: 2025-12
Supported parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools