Fable 5.2 fast mode: 2.5x faster output at twice the price via API and Claude Code
ClaudeDevs · x · 2026-11-10
Fable 5.2 now supports fast mode: 2.5x faster output for twice the price. Enable it in the Claude API by setting "speed": "fast"; in Claude Code, toggle fast mode in the model picker, billed through extra usage credits.
Related event: Anthropic Launches Claude Fable 5.2 and Mythos 5.2(40 posts)→
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