Input
Hint: Drag and drop audio files from your computer, audio from web pages, paste from clipboard (Ctrl/Cmd+V), or provide a URL. Accepted file types: mp3, ogg, wav, m4a, aac
Customize your input with more control.
Logs
F5 TTS | [text-to-speech]
F5-TTS delivers zero-shot voice cloning at $0.05 per 1,000 characters, 20 generations per dollar on fal. Built with reference audio flexibility, it synthesizes natural speech from a single audio sample without fine-tuning. Made for developers who need voice customization without dataset preparation or model training overhead.
Use Cases: Voice Cloning for Content Creation | Multilingual Audio Production | Custom Character Voices for Games
Performance
At $0.05 per 1,000 characters, F5-TTS provides cost-effective voice synthesis with reference audio-based cloning, significantly more accessible than enterprise TTS solutions requiring voice actor datasets.
| Metric | Result | Context |
|---|---|---|
| Voice Cloning | Zero-shot from single sample | No training required, reference audio defines output voice |
| Model Variants | F5-TTS, E2-TTS | Two architecture options via model_type parameter |
| Cost per 1,000 Characters | $0.05 | 20 generations per $1.00 on fal |
| Audio Processing | Automatic silence removal | Optional ASR for reference text extraction |
| Related Endpoints | ElevenLabs TTS | Enterprise-grade alternative with pre-trained voice library |
Reference Audio-Driven Synthesis
F5-TTS uses a diffusion-based architecture that learns voice characteristics from a single reference audio sample, contrasting with traditional TTS systems that require extensive voice datasets or pre-trained voice models.
What this means for you:
-
Zero-Shot Voice Cloning: Generate speech matching any voice from one audio sample, no model training, dataset collection, or fine-tuning required
-
Flexible Reference Text Handling: Provide reference transcripts manually or let the built-in ASR model extract them automatically from your audio
-
Multi-Language Support: Clone voices across languages using the same reference audio, enabling localization without re-recording
-
Dual Architecture Options: Choose between F5-TTS and E2-TTS models via the
`model_type`parameter based on your quality-speed tradeoffs
Technical Specifications
| Spec | Details |
|---|---|
| Architecture | F5-TTS |
| Input Formats | Text (gen_text), Reference audio URL (WAV, MP3, OGG, M4A, AAC) |
| Output Formats | WAV audio file |
| Reference Audio | Single sample required; optional reference transcript |
| License | Commercial use permitted |
API Documentation | Quickstart Guide | Enterprise Pricing
How It Stacks Up
ElevenLabs TTS (Eleven v3) – F5-TTS trades pre-trained voice consistency for reference audio flexibility at significantly lower cost. ElevenLabs offers production-ready voices with emotion control and multi-speaker support, ideal for enterprise content workflows requiring standardized voice quality. F5-TTS prioritizes custom voice cloning from minimal samples, fitting projects where voice uniqueness matters more than polish.