GPT-5.2 Pro
JSON →A professional-grade variant of GPT-5.2 with enhanced reasoning and longer context handling for enterprise use.
Specs
context window 272K tokens
max output 128K tokens
input price $21 / 1M tokens
output price $168 / 1M tokens
Capabilities
tool-usejson-modestreamingreasoningcode-generationfunction-callingprompt-cachingvision
Dates
releasedDec 2025
knowledge cutoffJun 2025
Resources
API
full doc /v1/models/gpt-5.2-pro