click any column header to sort
← SpeedSpeedSamples → · all runs

TTS Bench — Samples — mac-cloning

Rig: mac-m4 — Apple M4 (10C) · Apple M4 GPU (MPS) · 16 GB RAM · Darwin 25.5.0
Label: cloning · jo — ref jo.wav
5 prompt(s) · one section per prompt · all models ranked by warm TTFA (fastest first) within each
Each prompt section shows every model's audio output, ordered by warm TTFA (fastest first). Click any audio player to hear that model's rendering.

Reference voice

Each model below was given this clip + transcript as the voice to imitate. Source: jo.wav

Prompt 1

[en]"Open the browser and read my email."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 29ms missing
2 NeuTTS Nano cpu 281ms missing
3 NeuTTS Air cpu 354ms missing
4 OpenVoice v2 mps 437ms missing
5 NeuTTS Nano mps 490ms missing
6 NeuTTS Air mps 545ms missing
7 OpenVoice v2 cpu 1.01s missing
8 Coqui XTTS-v2 mps 1.38s missing
9 MOSS-TTS-Nano cpu 1.75s missing
10 Chatterbox Turbo mps 2.03s missing
11 Coqui XTTS-v2 cpu 2.11s missing
12 Chatterbox Turbo cpu 2.63s missing
13 Chatterbox mps 5.00s missing
14 Fish Speech 1.5 cpu 6.77s missing
15 MOSS-TTS-Nano mps 7.05s missing
16 Fish Speech 1.5 mps 7.20s missing
17 Sesame CSM-1B cpu 8.51s missing
18 Chatterbox cpu 9.24s missing
19 Qwen3-TTS 1.7B Base cpu 9.76s missing
20 Zonos v0.1 cpu 14.26s missing
21 ZipVoice 123M cpu 24.59s missing
22 IndexTTS-2 cpu 26.61s missing
23 F5-TTS v1 mps 30.70s missing
24 F5-TTS v1 cpu 34.44s missing
25 OuteTTS 1.0 1B mps 44.86s missing
26 OuteTTS 1.0 1B cpu 45.09s missing
27 OmniVoice cpu — missing
28 OmniVoice mps — missing

Prompt 2

[en]"I'll start a new git branch, push the changes, and open a pull request when the tests pass."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 31ms missing
2 NeuTTS Nano cpu 283ms missing
3 NeuTTS Air cpu 360ms missing
4 NeuTTS Nano mps 486ms missing
5 NeuTTS Air mps 564ms missing
6 OpenVoice v2 mps 922ms missing
7 OpenVoice v2 cpu 2.05s missing
8 MOSS-TTS-Nano cpu 2.64s missing
9 Coqui XTTS-v2 mps 2.74s missing
10 Chatterbox Turbo mps 3.53s missing
11 Coqui XTTS-v2 cpu 3.80s missing
12 Chatterbox Turbo cpu 4.64s missing
13 Fish Speech 1.5 cpu 13.76s missing
14 MOSS-TTS-Nano mps 14.75s missing
15 Fish Speech 1.5 mps 15.79s missing
16 Chatterbox cpu 17.23s missing
17 Sesame CSM-1B cpu 18.63s missing
18 Qwen3-TTS 1.7B Base cpu 18.92s missing
19 IndexTTS-2 cpu 23.93s missing
20 ZipVoice 123M cpu 33.32s missing
21 Zonos v0.1 cpu 36.53s missing
22 F5-TTS v1 mps 39.41s missing
23 F5-TTS v1 cpu 42.09s missing
24 Chatterbox mps 54.25s missing
25 OuteTTS 1.0 1B cpu 97.76s missing
26 OuteTTS 1.0 1B mps 99.50s missing
27 OmniVoice cpu — missing
28 OmniVoice mps — missing

Prompt 3

[en]"The Parakeet TDT zero point six billion parameter model achieves one point six nine percent word error rate on LibriSpeech test-clean, beating Whisper Large V3 at two point seven percent while running at over two thousand times realtime on a single GPU."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 36ms missing
2 NeuTTS Nano cpu 281ms missing
3 NeuTTS Air cpu 361ms missing
4 NeuTTS Nano mps 513ms missing
5 NeuTTS Air mps 581ms missing
6 OpenVoice v2 mps 1.85s missing
7 OpenVoice v2 cpu 4.64s missing
8 MOSS-TTS-Nano cpu 7.64s missing
9 Chatterbox Turbo cpu 12.27s missing
10 Coqui XTTS-v2 cpu 12.98s missing
11 Coqui XTTS-v2 mps 20.49s missing
12 Chatterbox mps 26.06s missing
13 Qwen3-TTS 1.7B Base cpu 40.14s missing
14 Fish Speech 1.5 cpu 40.25s missing
15 MOSS-TTS-Nano mps 40.42s missing
16 Sesame CSM-1B cpu 40.76s missing
17 Chatterbox cpu 42.22s missing
18 Chatterbox Turbo mps 45.81s missing
19 Fish Speech 1.5 mps 48.60s missing
20 F5-TTS v1 cpu 68.43s missing
21 F5-TTS v1 mps 70.52s missing
22 IndexTTS-2 cpu 93.07s missing
23 Zonos v0.1 cpu 143.29s missing
24 OmniVoice cpu — missing

Prompt 4

[en]"Run pytest tests slash test underscore voice dot py with verbose flag and capture flag set to no."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 35ms missing
2 NeuTTS Nano cpu 279ms missing
3 NeuTTS Air cpu 359ms missing
4 NeuTTS Nano mps 495ms missing
5 NeuTTS Air mps 556ms missing
6 OpenVoice v2 mps 1.02s missing
7 OpenVoice v2 cpu 2.32s missing
8 MOSS-TTS-Nano cpu 3.46s missing
9 Chatterbox Turbo mps 4.65s missing
10 Chatterbox Turbo cpu 6.04s missing
11 Coqui XTTS-v2 cpu 6.45s missing
12 Coqui XTTS-v2 mps 7.32s missing
13 MOSS-TTS-Nano mps 18.07s missing
14 Fish Speech 1.5 cpu 18.08s missing
15 Chatterbox cpu 22.05s missing
16 Fish Speech 1.5 mps 22.26s missing
17 Qwen3-TTS 1.7B Base cpu 25.41s missing
18 Sesame CSM-1B cpu 26.38s missing
19 IndexTTS-2 cpu 36.14s missing
20 Zonos v0.1 cpu 40.42s missing
21 F5-TTS v1 mps 40.42s missing
22 F5-TTS v1 cpu 43.27s missing
23 Chatterbox mps 51.18s missing
24 ZipVoice 123M cpu — missing
25 OmniVoice cpu — missing
26 OmniVoice mps — missing

Prompt 5

[fr]"Bonjour, je m'appelle Cicero et je vais vous aider avec votre code aujourd'hui."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 87ms missing
2 NeuTTS Nano cpu 281ms missing
3 NeuTTS Nano mps 479ms missing
4 OpenVoice v2 mps 833ms missing
5 OpenVoice v2 cpu 1.96s missing
6 Coqui XTTS-v2 mps 2.08s missing
7 MOSS-TTS-Nano cpu 2.82s missing
8 Coqui XTTS-v2 cpu 8.29s missing
9 MOSS-TTS-Nano mps 12.53s missing
10 Fish Speech 1.5 cpu 12.93s missing
11 Fish Speech 1.5 mps 15.73s missing
12 Qwen3-TTS 1.7B Base cpu 15.83s missing
13 Zonos v0.1 cpu 24.91s missing
14 ZipVoice 123M cpu 54.92s missing
15 OmniVoice cpu — missing
16 OmniVoice mps — missing