Sonic-3.6 streaming TTS tops audiobook narration quality rankings

Faster, higher-quality text-to-speech improves indie author audiobook production options significantly.

This story ran in the Coral Wire edition of Tue, Aug 18 2026, when the Coral Index stood at 71/100 (Tailwinds building).

Coral Wire selects stories by a Claude-graded relevance score and writes each headline and one-line summary with an Anthropic Claude model from the linked source. Story gathering is not AI: it is a fixed set of feeds and dockets. The linked original is always the authority.

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