Trial
Fish Audio
Quick facts
- Pricing model
- Trial
- Minimum price
- Free
- Free access
- Yes
- Regional payment options
- Pay directly on the website
- Service status
- Online, checked
- User rating
Developer and reliability
Information about the developer and the service's terms. This is a factual reference, not a quality assessment or a guarantee of safety.
- Developer
- Fish Audio
- Legal entity
- Hanabi AI Inc.
- Legal entity's country
- United States
- Registration details
- 6493519
- Domain registered
- December 11, 2023
- The domain registration date is not the service's launch date.
Video reviews and tutorials
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Editorial assessment
Strong technology platformFor a long time, voice AI lived in a frustrating bottleneck: five-second demo snippets sounded breathtaking, but the moment you fed in a five-minute narrative, the voice devolved into a flat, artificial drone. Fish Audio stands out because Hanabi AI built a serious technological foundation rather than another superficial wrapper.
Their Dual-AR architecture tackles speech synthesis with genuine engineering depth. The inline behavioral tags—whispers, cleared throats, breathless chuckles, and deliberate pauses—integrate seamlessly into speech rather than sounding like pasted-in soundboard effects. Combine that with WebSocket streaming and an Agents API that handles telephony and external tooling, and you have an engine capable of powering conversational phone bots without agonizing response latency.
There are practical realities to keep in mind: the free tier's 500-character cap is only enough for quick sound checks, monthly quotas burn off relentlessly at the end of each billing cycle, and if you feed a voice clone a recording tainted by computer fan noise, that hum will follow every generated phrase. Still, for emotional articulation and developer-first flexibility, it is one of the most capable voice platforms currently available.
- Functionality High
- Price and value Good
- Ease of use Good
- Reliability and support Good
- Innovation High
About the tool
Developed by Hanabi AI, Fish Audio is a comprehensive voice AI platform and ecosystem designed for high-fidelity speech synthesis, instant voice cloning, audio transcription, and interactive voice agents. Instead of treating text-to-speech like a rigid robotic readout, the platform is engineered to preserve human vocal rhythm, natural breathing, and dynamic conversational nuance across both short interactive prompts and long-form narrations.
The system is built on a Dual-Autoregressive acoustic foundation that separates semantic speech generation from fine acoustic modeling, delivering 44.1 kHz audio with responsive real-time streaming.
Key capabilities of the platform include:
- Inline prosody and emotional tagging: Fine-grained sub-word tags that allow creators to insert real emotions (`[angry]`, `[whispering]`, `[excited]`, `[soft]`) and authentic vocal behaviors (`[laughing]`, `[sighing]`, `[clear throat]`, `[panting]`, pauses) directly into the script.
- Rapid voice cloning and Voice Design: Instant zero-shot voice cloning from a 10–15 second audio sample, along with text-guided voice creation that generates brand-new voices entirely from descriptive text prompts.
- Story Studio workspace: A specialized multi-track studio for script staging, multi-speaker character assignments, and long-form audiobook chapter production meeting professional distribution specs.
- Audio engineering toolkit: Utilities for speech-to-text with environmental context recognition, voice changing, audio stem separation, and voice-preserved audio translation.
- Developer architecture: REST endpoints, full OpenAPI specifications, low-latency WebSocket streaming, and a dedicated Agents API equipped for phone number integration, external tool calls, and session management.
How it helps you
Fish Audio delivers studio-grade voice generation and ultra-low-latency deployment for teams that cannot afford robotic-sounding audio.
- Developers and tech startups: Build responsive, real-time voice agents and automated phone assistants using WebSocket streaming and turnkey Agents API abstractions.
- Content creators and game studios: Generate dynamic NPC character dialogues, video voiceovers, and localized audio in dozens of languages without booking studio time.
- Audiobook publishers and narrators: Produce multi-character chapter narrations with fine-tuned pacing and emotional consistency.
Pros and cons
Pros
- Unmatched control over spoken nuances through inline tags for laughs, sighs, whispers, and emotional shifts
- Rapid voice cloning that captures vocal identity from a sample as brief as 10 to 15 seconds
- Developer-ready ecosystem featuring low-latency WebSocket streaming and telephony-capable Agents API
- Comprehensive production toolset including Story Studio, stem separation, and audio translation
- Massive public library with over two million community voices alongside procedural text-based voice generation
Cons
- The free plan is limited to 500 characters per generation and allows only personal, non-commercial use
- Unused generation credits reset monthly and do not roll over to subsequent billing cycles
- Instant voice cloning faithfully captures background noise and reverb from imperfect source recordings
User reviews
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Pricing
Бесплатный уровень
Plus
Pro
Max
Enterprise
Prices are based on the provider's information and may change.
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Compare with popular alternatives
Compare key features, prices and capabilities with similar tools
| Feature | Current tool |  |  |  |
|---|---|---|---|---|
| Pricing model | Trial | Trial | Trial | Trial |
| Minimum price | from $15/month | from $10/month | from $30/month | from $40/month |
| Free access | Yes | Trial access | Yes | Trial access |
| Regional payment options | Direct payment | Direct payment | Direct payment | Direct payment |
| Editorial assessment | Strong technology platform | Strong technology platform | Good specialized service | Good specialized service |
| User rating | ||||
| Current tool |
Frequently asked questions
Can I use Fish Audio generations for commercial projects and monetization?
Commercial rights are included only on paid plans (Plus, Pro, Max, and Enterprise). The Free Tier is restricted strictly to personal, non-commercial experimentation. When monetizing voice clones, creators must own the underlying rights or use verified commercial voice profiles.
What audio sample is required for voice cloning, and what affects quality?
Fish Audio requires as little as 10 to 15 seconds of clean vocal reference to create a cloned voice model. Because the system captures the acoustic environment of the sample, any room reverb, background chatter, or microphone hum in the upload will be replicated in the generated voice.
Do unused monthly generation credits or minutes roll over?
No. Generation quotas reset at the beginning of each billing cycle, and unspent credits or minutes do not roll over to the next month. Production workflows should be scheduled within the active monthly billing window.
What developer tools are available for building real-time voice agents?
Fish Audio provides a REST API, official Python and JavaScript SDKs, low-latency WebSocket audio streams, and a dedicated Agents API. The Agents API allows developers to configure persistent sessions, connect knowledge sources, execute external tools, and manage inbound or outbound phone routing.
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