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openaiOpenAI: GPT-5.2 Chat
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...
openai/gpt-5.2-chat
Context Size
128K
Input Price
262,500 pts/M
Output Price
2,100,000 pts/M
Architecture
File
Image
Text
Supported Parameters
max_completion_tokensmax_tokensresponse_formatseedstructured_outputstool_choicetools
Details
TokenizerGPT
Max Completion16,384 tokens
Provider Context128K tokens
ModeratedYes
CreatedDec 10, 2025