Claude Code Fast Mode: Opus 4.7 Default, 2.5x Faster Responses
Claude Code fast mode now defaults to Opus 4.7. Use /fast for Opus-quality output about 2.5x faster, with higher token costs.
Fast mode now uses Opus 4.7 by default in Claude Code.
You can burn tokens with the command: /fast
Fast mode delivers Opus quality with no changes, but about 2.5x faster, while the token cost is higher.
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