A 2026 roundup published Nov. 3, 2026 highlights ElevenLabs, AssemblyAI and other alternatives to Fish Audio as developers compare text-to-speech options on pricing, concurrency and production readiness, noting trade-offs beyond voice quality such as billing units, data residency, cloning features and limits on simultaneous requests. The article says Fish Audio appeals to developers who liked its pricing but now face production constraints, including a concurrency cap tied to prepaid spend, US-only default data handling and an enterprise security story still in progress; Fish Audio was founded in 2025, its SOC 2 Type II audit is in progress and its enterprise uptime SLA is 99%. The article lists Fish Audio S2.1 Pro at $15 per 1 million UTF-8 bytes, AssemblyAI-TTS-1 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, plus open-weight options Kokoro and Chatterbox, described as free to run but dependent on the user’s own GPU and operations time. A footnote says Fish bills per 1 million UTF-8 bytes while AssemblyAI, ElevenLabs, Cartesia and