GPT-5.2 Chat Latest

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openai llm
text

The latest chat-optimized variant of GPT-5.2, continuously updated for conversational AI tasks.

context window 128K tokens
max output 16K tokens
input price $1.75 / 1M tokens
output price $14 / 1M tokens
tool-usejson-modestreamingreasoningcode-generationfunction-callingvisionprompt-caching
releasedDec 2025
knowledge cutoffJun 2025