Fish Audio comparisons highlight pricing, concurrency, data residency and enterprise features across ElevenLabs, AssemblyAI, Cartesia and others.
Fish Audio is facing closer scrutiny from developers comparing text-to-speech options on pricing, concurrency and production readiness, with a 2026 roundup highlighting ElevenLabs, AssemblyAI and other alternatives. The comparison matters because the trade-offs are not limited to voice quality: they also include billing units, data residency, cloning features and limits on simultaneous requests, according to the source article published Nov. 3, 2026.
The article says Fish Audio’s appeal is strongest for developers who liked its pricing but are now running into production constraints, including a concurrency cap tied to prepaid spend, US-only default data handling and an enterprise security story still in progress. It also notes that Fish Audio was founded in 2025, its SOC 2 Type II audit is in progress and its enterprise uptime SLA is 99%.
At a glance, the article lists Fish Audio S2.1 Pro at $15 per 1 million UTF-8 bytes, while AssemblyAI-TTS-1 is priced at $15 per 1 million characters, ElevenLabs v4 Turbo and Flash v2.5 at $0.04 per 1,000 characters, Cartesia Sonic 3.6 on credit plans from $5 per month to $299 per month, and Inworld TTS-2 and TTS-2 Flash at $25 and $15 per 1 million characters on demand. The article also includes open-weight options such as Kokoro and Chatterbox, which it describes as free to run but dependent on the user’s own GPU and operations time.
A footnote in the comparison says Fish bills per 1 million UTF-8 bytes, while AssemblyAI, ElevenLabs, Cartesia and Inworld bill per character.
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