fix(callbacks): add gpt-5.2 pricing to OpenAICallbackHandler#556

Open

DoTA (dotuananh0712) wants to merge 2 commits intolangchain-ai:mainfrom

dotuananh0712:fix/gpt-5.2-pricing

Commits on Feb 22, 2026

fix(community): mask API keys in ChatOpenAI repr, add async file tools, fix CSV encoding
DoTA (dotuananh0712)
committed

Commits on Feb 25, 2026

fix(callbacks): add gpt-5.2 pricing to OpenAICallbackHandler
DoTA (dotuananh0712)
committed