Align Claude Opus 4.6 metadata and limits#20514

Sameerlite merged 1 commit intoBerriAI:mainBerriAI/litellm:mainfrom

PeterDaveHelloKitchen:feat/add-claude-opus-4-6-modelPeterDaveHelloKitchen/litellm:feat/add-claude-opus-4-6-modelCopy head branch name to clipboard