Chatterbox (Turbo + Multilingual v3)

SOTA open-source voice cloning — 5-second reference audio, paralinguistic tags `[laugh]` `[sigh]` `[cough]` native in Turbo, <150 ms latency, ethical PerTh watermarking on by default. The June 10, 2026 Multilingual v3 release keeps the same 0.5B Llama backbone and MIT license while extending coverage to 25 total languages (incl. 4 dialects + 6 tuned Language Packs).

License: MIT · Context: n/a · Released: Base: mid-2025 · Turbo: December 15, 2025 · Multilingual v3 (25 languages): June 10, 2026

The decision in five lines

The call: Buy — for voice
Best for: voice
Runs on: 23 hardware picks fit (cheapest: Intel Arc B580 12 GB · $310)
Watch out: Pure narration with no cloning need — Kokoro-82M is 10× lighter and Apache 2.0 (Chatterbox is MIT but still heavier).
Evidence: Estimated · last verified September 2026

Turbo: 350M · Multilingual: 0.5B Llama backbone: PARAMETERS
TTS + VOICE CLONE: TYPE
—: CONTEXT
~4–6 GB (Turbo): VRAM AT Q4

Where we recommend this

Every tier slot in the planner where this model is a top or alternate pick. Pulled live from planner.js — when the planner refreshes, this table stays current.

VOICE · TOP

Chatterbox-Turbo (Resemble AI)MIT; paralinguistic tags + fastest high-quality tier; voice clone in under 200ms.

VOICE · MID

Chatterbox Multilingual (Resemble AI)MIT; 23 languages; voice cloning + emotion dial; pip 0.1.7 (March 2026) shows active development.

The call

SOTA open-source voice cloning — 5-second reference audio, paralinguistic tags `[laugh]` `[sigh]` `[cough]` native in Turbo, <150 ms latency, ethical PerTh watermarking on by default. The June 10, 2026 Multilingual v3 release keeps the same 0.5B Llama backbone and MIT license while extending coverage to 25 total languages (incl. 4 dialects + 6 tuned Language Packs).
When not to use: Pure narration with no cloning need — Kokoro-82M is 10× lighter and Apache 2.0 (Chatterbox is MIT but still heavier).

Runner notes

`pip install chatterbox-tts` or `devnen/Chatterbox-TTS-Server` for OpenAI-compatible REST API. CUDA / ROCm / CPU supported.

License: MIT
Released: Base: mid-2025 · Turbo: December 15, 2025 · Multilingual v3 (25 languages): June 10, 2026
Maker: Resemble AI
Model card: huggingface.co/ResembleAI/chatterbox →

Hardware that fits

Every hardware pick whose memory fits this model at the quant we recommend. Sorted cheapest-first — the top row is your best-value fit. Click through for the full buyer’s guide.

Next step

Find-by-model — see what hardware runs this→