Side by side
Tortoise TTS vs Voice RSS
Both stand on text-to-speech tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+2
Tortoise TTS offers open-source speech generation with multi-voice controls, reference audio and tools for long text. Hardware requirements matter for local use, while the repository also provides API, streaming and hosted-demo routes.
Visit Tortoise TTS Free plan AndroidAPIiPhone+4
Voice RSS provides API-based speech generation with multiple voices, languages and audio formats. Check the daily request allowance and SSML availability for the plan you choose; Advanced costs $5 a month.
Visit Voice RSSThe facts
| Tortoise TTS | Voice RSS | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Linux, Mac, Self-hosted, Windows | Android, API, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Advanced: $5 a month |
| Plans published | 1 | 7 |
| Maker | Not published | Not published |
| Website | github.com | voicerss.org |
| On text-to-speech tools | #58 of 232 | #62 of 232 |
Tortoise TTS: what it does well
- Apache 2.0 open-source license
- Reference clips guide pitch, tone and speed
- Custom voices use WAV reference clips
- Scripts handle long text files
- Python API and socket streaming server included
What to know first
- Local use requires an NVIDIA GPU
- CPU-only Hugging Face Spaces do not work
- Custom voices require at least three clips
- Apple Silicon setup targets macOS 13 or later
Voice RSS: what it does well
- Supports 49 languages and 100 voices
- Five audio output formats
- Free plan allows 350 daily requests
- SDKs are offered for some languages and platforms
What to know first
- Requests are limited to 100KB of text
- Callbacks are not supported
- Advanced plan does not include SSML
- Service does not warrant uninterrupted availability
Alternatives to Tortoise TTS Alternatives to Voice RSS The whole list