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Published Jun 27, 2026·Anthropic• Minor

Anthropic deprecated fast mode for Claude Opus 4.7, with removal on July 24, 2026.

The read

Builders using speed: "fast" on claude-opus-4-7 need to move that path to Claude Opus 4.8.

The frame

Fast mode support moves off Claude Opus 4.7 and onto Claude Opus 4.8 for that model path.

Primary source

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