Fish Audio 发布 S2.1 Pro，5 秒克隆语音

So much work is happening on the voice layer of AI.

Fish Audio just launched S2.1 Pro and completed a $52M Seed round.

Voice cloning now has crossed a threshold, this new S2.1 Pro can clone a voice from 5 seconds of audio.

2x faster than Cartesia & 1/6th the cost of Eleven Labs. ~90ms response, fast enough for real conversation

They report 15,000+ natural-language controls, 83+ languages, 8M users, and $21M in annual recurring revenue.

Developers can place instructions such as [whisper], [laugh], or [professional broadcast tone] beside specific words instead of selecting preset emotions.