Model reference · open weights
E2-TTS is an open-weight audio or speech model from SWivid. E2-TTS (BF16) weighs 1.3 GB; the smallest configuration that runs it is RTX 3060 12 GB.
Summary of the SWivid/E2-TTS model card, 2026-10-01
What it is
| Released by | SWivid |
|---|---|
| Released | 2024-10-14 |
| VRAM | 1.3 GB for the weights |
What it runs on
| Card | One stream | Memory |
|---|---|---|
| RTX 3060 12 GB | fits | 11.6 GB |
| RTX 4060 Ti 16 GB | fits | 15.4 GB |
| RTX 3090 24 GB | fits | 23.4 GB |
| RTX 4090 24 GB | fits | 23.4 GB |
| RTX 5090 32 GB | fits | 31.0 GB |
| L40S 48 GB | fits | 44.0 GB |
| A100 80 GB | fits | 78.2 GB |
| H100 80 GB | fits | 78.1 GB |
| RTX PRO 6000 Blackwell 96 GB | fits | 93.8 GB |
| DGX Spark (GB10) 128 GB unified | fits | 107 GB |
| H200 141 GB | fits | 138 GB |
| B200 180 GB | fits | 176 GB |
From the model card
Download F5-TTS or E2 TTS and place under ckpts/
ckpts/
F5TTS_v1_Base/
model_1250000.safetensors
F5TTS_Base/
model_1200000.safetensors
E2TTS_Base/
model_1200000.safetensors
Github: https://github.com/SWivid/F5-TTS Paper: E2 TTS: Embarrassingly Easy Fully Non-Autoregressive Zero-Shot TTS
Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.
How it works