GPT-5.2 Chat
by OpenAItext+image+file->text2 endpoints
Overview
GPT-5.2 Chat (AKA Instant) is the fast, lightweight member of the 5.2 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Prompt caching
Web search
Long context
Modalities
Input
FileImageText
Output
Text
Technical Specifications
Context Window
128K tokens
Max Output
16.4K tokens
Tokenizer
GPT
Content Moderation
Enabled
Uptime (24h)
9991.8%
Supported Parameters
max_completion_tokensmax_tokensresponse_formatseedstructured_outputstool_choicetools
Pricing
Per 1M tokens
Input$1.75
Output$14.00
Cache read$0.17
Web search$10000.00