chatterbox vs audio.cpp-gguf

Specs, VRAM requirements and download trends — updated 10 November 2026.

ResembleAI · A · Open weights
Params
—
Context
—
30d
2.4 M
mit · commercial OK
audio-cpp · B · Open weights
Params
—
Context
—
30d
8.9 M

Specification comparison

Differences are highlighted; identical values are muted.

Specification chatterbox audio.cpp-gguf
Parameters — —
Architecture — —
Context length — —
Licence mit other
Commercial use Allowed Unknown
Languages 23 —
Downloads 30d 2,399,737 8,890,490
Downloads all time 25.6 M 18.4 M
Quantizations on the Hub SAFETENSORS GGUF, SAFETENSORS
Gated No No
First seen on the Hub 2025-04-24 2026-07-14

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

8.9 M419 K
chatterbox audio.cpp-gguf

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

audio.cpp-gguf · fp16 1.6 GB / 24 GB
✅ Runs comfortably
audio.cpp-gguf · Q4_0 4.7 GB / 24 GB
✅ Runs comfortably
chatterbox · fp16 12.2 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons