Fish Audio S2.1 Pro challenges ElevenLabs on voice AI cost, claiming up to about 5× lower pricing

Fish Audio is positioning its flagship text-to-speech model, S2.1 Pro, as a lower-cost rival to ElevenLabs, with list API pricing of $15 per million UTF-8 bytes and marketing claims of roughly 70% lower unit cost—or up to about five times cheaper depending on which ElevenLabs rate is compared—while offering a time-limited free API tier of the same model.