Carl Franzen / VentureBeat: Anthropic cuts Sonnet 5.5 cache read price from $0.20 to $0.10 and adds monthly API credits: $100 for Max 5x, $200 for Max 20x, up to $500 shared by Team users  —  The model starts at $0.10 per million input tokens and $0.50 per million output tokens, matching OpenAI's GPT-6 Luna.