Simon Willison • 2/8/2026

Claude: Speed up responses with fast mode

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Anthropic has released a new 'fast mode' for its Claude Opus 4.6 AI model, accessible via a command in Claude Code. This mode offers significantly faster response times but at a cost 6x the standard rate. The article details the pricing structure, a temporary 50% discount, and the increased context window options for the model.

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#api #AI Models #Pricing
Claude: Speed up responses with fast mode

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