Anthropic makes Opus 5.5 the default on paid Claude plans

Anthropic's Nov. 12, 2026 guide says Claude Opus 5.5 is now the default model in Claude on Pro, Max, Ultra, and Team plans, and it recommends the model for research, analysis, and finished documents, spreadsheets, and decks. The guide lists token prices of $4 and $20 per million for Opus 5.5, $2 and $10 for Sonnet 5.5, $0.10 and $0.50 for Haiku 5.5 on prompts up to 100,000 tokens, and $8 and $40 for Fable 5.2. It says Pro plans and standard seats on Team and seat-based Enterprise plans do not include Fable 5.2 in their limits outside limited-time launch offers.