GPT-5.2 (2025-12-11)
JSON →A dated snapshot of GPT-5.2, providing a stable version for reproducibility and testing.
Specs
context window 272K tokens
max output 128K tokens
input price $1.75 / 1M tokens
output price $14 / 1M tokens
Capabilities
tool-usejson-modestreamingreasoningcode-generationfunction-callingvisionprompt-caching
Dates
releasedDec 2025
knowledge cutoffJun 2025
Resources
API
full doc /v1/models/gpt-5.2-2025-12-11