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OpenAI: 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,...

Image
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Specification
Model ID
openai/gpt-5.2-pro
Modality
Text+image+file >text
Context
400K tokens
Input
$21.00/1M
Output
$168.00/1M
Web search
$10000.00/1M
Updated
Sep 20, 2026
Scores
Capabilities
  • Supports tool calling
  • Supports vision inputs
  • Supports long-context workflows
  • Supports deeper reasoning tasks

Input and output

Accepts Image, Text, File inputs. Returns Text outputs.

Supported parameters

include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools

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