F5-TTS
Leading#7 in Open sourcemedium confidence
A fast diffusion-transformer TTS with strong zero-shot cloning (~15k GitHub★) — notable and actively used, below the top repos on adoption.Our read
Why it ranks #7
Approximately 15k GitHub stars and strong research/community visibility make it a notable zero-shot TTS implementation, though adoption and production tooling remain below the larger open projects.Here is the catch
more research-oriented than turnkey
checkpoint and dependency setup requires ML experience
commercial rights depend on the selected model and training data
Does this well
high-quality cloning with natural prosody
fast architecture relative to older diffusion TTS
useful research code and reproducible recipes
Pricing
Checked by hand on 2026-07-23. Prices in this category change often — if this looks wrong, it probably is.
Key features
flow-matching diffusion TTSzero-shot voice cloningmultilingual model variantstraining and inference recipes
Sources we read
Quick facts
More in this area
The rest of the Open source column.- 1Coqui TTS (XTTS)The gold-standard open-source TTS / voice-cloning toolkit (~45.8k GitHub★) — XTTS v2 clones a voice from a 3-second clip across many languages.
- 2Bark (Suno)Suno's transformer TTS (~39.2k GitHub★) — highly expressive speech plus non-speech sounds (laughter, sighs, music). A recognized open leader.
- 3OpenVoice (MyShell)MyShell's instant voice cloning (~37k GitHub★) — strong tone/emotion control and low-latency inference. Widely adopted open cloner.
- 4RVC (Retrieval-based Voice Conversion)The de-facto open voice-conversion tool (~36.6k GitHub★) — best balance of quality, speed and ease for real-time voice changing/cloning.
- 5Fish Speech (fishaudio)Fast, high-quality multilingual TTS / cloning (~31.4k GitHub★) — a newer entry gaining strong traction for its speed-quality balance.
- 6Chatterbox (Resemble AI)Resemble AI's open TTS (~25.7k GitHub★) — a top 2026 pick for expressive, production-grade local speech with emotion control.