GPT-5.2 Pro
by OpenAItext+image+file->text1 endpoint
Overview
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,...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Web search
Long context
Modalities
Input
ImageTextFile
Output
Text
Technical Specifications
Context Window
400K tokens
Max Output
128K tokens
Tokenizer
GPT
Content Moderation
Enabled
Uptime (24h)
10000.0%
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools