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TTS Bench — Samples — windows-cloning

Rig: windows-5090 — AMD Ryzen 9 9950X3D 16-Core Processor (16C) · NVIDIA GeForce RTX 5090 32GB · 126 GB RAM · Windows 11
Label: cloning · chris_hemsworth_15s — ref chris_hemsworth_15s.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: chris_hemsworth_15s.wav

Prompt 1

[en]"Open the browser and read my email."
Rank Model Device TTFA warm Audio
1 Pocket-TTS cpu 61ms
2 Sopro V2 Turbo (streaming) cuda 121ms
3 StyleTTS 2 cuda 140ms
4 Sopro V2 Turbo cuda 162ms
5 OpenVoice v2 cuda 185ms
6 Audio8 TTS 0.6B (compiled) cuda 258ms
7 NeuTTS Nano cuda 356ms
8 NeuTTS Nano cpu 369ms
9 AuK-Flash cuda 424ms
10 Breeze TTS 2 cuda 426ms
11 NeuTTS Air cuda 497ms
12 Qwen3-TTS 1.7B (CUDA-graph) cuda 529ms
13 Sopro V2 Turbo (streaming) cpu 555ms
14 Coqui XTTS-v2 cuda 563ms
15 OpenVoice v2 cpu 623ms
16 NeuTTS Air cpu 630ms
17 Chatterbox Turbo cuda 632ms
18 MiraTTS cuda 645ms
19 F5-TTS v1 cuda 728ms
20 StyleTTS 2 cpu 734ms
21 OmniVoice cuda 736ms
22 ZipVoice 123M cuda 1.08s
23 FireRedTTS3 cuda 1.21s
24 Chatterbox cuda 1.25s
25 Sopro V2 Turbo cpu 1.25s
26 Dia 1.6B-0626 cuda 1.30s
27 LongCat-AudioDiT 1B cuda 1.44s
28 VibeVoice 7B cuda 1.68s
29 VoxCPM2 2B cuda 1.81s
30 WavTTS 0.67B cuda 1.97s
31 Fish Speech 1.5 cuda 2.16s
32 LongCat-AudioDiT 3.5B cuda 2.19s
33 MOSS-TTS-Nano cuda 2.28s
34 Echo-TTS cuda 2.29s
35 Coqui XTTS-v2 cpu 2.53s
36 IndexTTS-2 cuda 2.57s
37 MOSS-TTS-Nano cpu 2.61s
38 MOSS-TTS v1.5 cuda 2.98s
39 MOSS-TTS v1.0 cuda 2.99s
40 AuK cuda 3.10s
41 Zonos v0.1 cuda 3.41s
42 Chatterbox Turbo cpu 3.48s
43 Sesame CSM-1B cuda 3.97s
44 Audio8 TTS Preview 0.6B cuda 4.09s
45 DramaBox cuda 4.12s
46 Audio8 TTS Preview 0.1B cuda 5.79s
47 OuteTTS 1.0 1B cuda 6.26s
48 VoxCPM2 2B cpu 6.39s
49 Miso TTS 8B cuda 6.46s
50 Chatterbox cpu 6.52s
51 ZipVoice 123M cpu 7.67s
52 Fish Speech 1.5 cpu 11.56s
53 Audio8 TTS Preview 0.1B cpu 15.91s
54 Audio8 TTS Preview 0.6B cpu 16.50s
55 Sesame CSM-1B cpu 17.17s
56 Zonos v0.1 cpu 18.60s
57 Mars5-TTS cuda 29.79s
58 IndexTTS-2 cpu 35.76s
59 OmniVoice cpu 37.89s
60 F5-TTS v1 cpu 50.19s

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 84ms
2 Sopro V2 Turbo (streaming) cuda 116ms
3 StyleTTS 2 cuda 173ms
4 Sopro V2 Turbo cuda 317ms
5 OpenVoice v2 cuda 339ms
6 Breeze TTS 2 cuda 357ms
7 NeuTTS Nano cuda 368ms
8 NeuTTS Nano cpu 460ms
9 Audio8 TTS 0.6B (compiled) cuda 463ms
10 AuK-Flash cuda 491ms
11 NeuTTS Air cpu 495ms
12 NeuTTS Air cuda 496ms
13 Sopro V2 Turbo (streaming) cpu 552ms
14 OmniVoice cuda 759ms
15 F5-TTS v1 cuda 914ms
16 MiraTTS cuda 1.08s
17 Coqui XTTS-v2 cuda 1.09s
18 OpenVoice v2 cpu 1.09s
19 Chatterbox Turbo cuda 1.13s
20 Qwen3-TTS 1.7B (CUDA-graph) cuda 1.22s
21 LongCat-AudioDiT 1B cuda 1.28s
22 StyleTTS 2 cpu 1.33s
23 LongCat-AudioDiT 3.5B cuda 1.93s
24 Echo-TTS cuda 2.16s
25 WavTTS 0.67B cuda 2.19s
26 Chatterbox cuda 2.21s
27 Sopro V2 Turbo cpu 2.23s
28 MOSS-TTS-Nano cuda 3.38s
29 VoxCPM2 2B cuda 3.43s
30 AuK cuda 3.48s
31 VibeVoice 7B cuda 3.50s
32 MOSS-TTS v1.0 cuda 3.52s
33 MOSS-TTS v1.5 cuda 3.83s
34 MOSS-TTS-Nano cpu 3.97s
35 IndexTTS-2 cuda 4.12s
36 DramaBox cuda 4.63s
37 Fish Speech 1.5 cuda 5.49s
38 Coqui XTTS-v2 cpu 6.01s
39 Chatterbox Turbo cpu 6.28s
40 FireRedTTS3 cuda 6.33s
41 Audio8 TTS Preview 0.6B cuda 7.52s
42 Zonos v0.1 cuda 7.85s
43 Dia 1.6B-0626 cuda 8.34s
44 Sesame CSM-1B cuda 9.01s
45 Chatterbox cpu 11.99s
46 Audio8 TTS Preview 0.1B cuda 12.73s
47 ZipVoice 123M cpu 13.40s
48 OuteTTS 1.0 1B cuda 13.48s
49 VoxCPM2 2B cpu 14.44s
50 Audio8 TTS Preview 0.1B cpu 28.29s
51 Fish Speech 1.5 cpu 30.34s
52 Miso TTS 8B cuda 33.31s
53 Audio8 TTS Preview 0.6B cpu 33.62s
54 Mars5-TTS cuda 33.89s
55 Sesame CSM-1B cpu 38.15s
56 Zonos v0.1 cpu 47.31s
57 OmniVoice cpu 48.65s
58 IndexTTS-2 cpu 52.31s
59 F5-TTS v1 cpu 64.77s
60 ZipVoice 123M cuda 133.84s

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 102ms
2 Sopro V2 Turbo (streaming) cuda 112ms
3 Sopro V2 Turbo (streaming) cpu 300ms
4 StyleTTS 2 cuda 306ms
5 NeuTTS Nano cuda 307ms
6 Breeze TTS 2 cuda 376ms
7 NeuTTS Nano cpu 378ms
8 NeuTTS Air cuda 518ms
9 OpenVoice v2 cuda 525ms
10 NeuTTS Air cpu 636ms
11 AuK-Flash cuda 717ms
12 Sopro V2 Turbo cuda 901ms
13 OmniVoice cuda 934ms
14 Audio8 TTS 0.6B (compiled) cuda 1.19s
15 LongCat-AudioDiT 1B cuda 1.38s
16 F5-TTS v1 cuda 1.71s
17 Echo-TTS cuda 2.14s
18 MiraTTS cuda 2.62s
19 LongCat-AudioDiT 3.5B cuda 2.81s
20 OpenVoice v2 cpu 3.05s
21 Chatterbox Turbo cuda 3.27s
22 Coqui XTTS-v2 cuda 3.35s
23 Qwen3-TTS 1.7B (CUDA-graph) cuda 3.37s
24 StyleTTS 2 cpu 3.98s
25 WavTTS 0.67B cuda 4.91s
26 AuK cuda 5.07s
27 Chatterbox cuda 5.20s
28 Sopro V2 Turbo cpu 6.13s
29 DramaBox cuda 6.22s
30 MOSS-TTS v1.0 cuda 8.96s
31 MOSS-TTS-Nano cuda 9.17s
32 MOSS-TTS v1.5 cuda 9.43s
33 VibeVoice 7B cuda 9.65s
34 VoxCPM2 2B cuda 10.29s
35 MOSS-TTS-Nano cpu 10.40s
36 IndexTTS-2 cuda 10.75s
37 FireRedTTS3 cuda 17.16s
38 Sesame CSM-1B cuda 17.44s
39 Chatterbox Turbo cpu 20.05s
40 Fish Speech 1.5 cuda 20.28s
41 Coqui XTTS-v2 cpu 20.33s
42 Audio8 TTS Preview 0.6B cuda 23.47s
43 Zonos v0.1 cuda 23.91s
44 Dia 1.6B-0626 cuda 24.69s
45 Chatterbox cpu 34.74s
46 VoxCPM2 2B cpu 35.11s
47 OuteTTS 1.0 1B cuda 39.66s
48 Audio8 TTS Preview 0.1B cuda 41.75s
49 Mars5-TTS cuda 55.86s
50 Miso TTS 8B cuda 68.73s
51 Audio8 TTS Preview 0.1B cpu 75.68s
52 Sesame CSM-1B cpu 77.75s
53 OmniVoice cpu 78.95s
54 F5-TTS v1 cpu 103.89s
55 Audio8 TTS Preview 0.6B cpu 104.15s
56 Fish Speech 1.5 cpu 107.15s
57 IndexTTS-2 cpu 135.42s
58 Zonos v0.1 cpu 157.87s
59 ZipVoice 123M cpu 183.07s

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 90ms
2 Sopro V2 Turbo (streaming) cuda 116ms
3 StyleTTS 2 cuda 228ms
4 Sopro V2 Turbo (streaming) cpu 294ms
5 NeuTTS Nano cuda 337ms
6 OpenVoice v2 cuda 378ms
7 NeuTTS Nano cpu 386ms
8 Sopro V2 Turbo cuda 423ms
9 Breeze TTS 2 cuda 440ms
10 NeuTTS Air cuda 458ms
11 NeuTTS Air cpu 512ms
12 AuK-Flash cuda 552ms
13 Audio8 TTS 0.6B (compiled) cuda 694ms
14 OmniVoice cuda 752ms
15 F5-TTS v1 cuda 870ms
16 OpenVoice v2 cpu 1.30s
17 Chatterbox Turbo cuda 1.32s
18 LongCat-AudioDiT 1B cuda 1.35s
19 StyleTTS 2 cpu 1.43s
20 MiraTTS cuda 1.48s
21 Qwen3-TTS 1.7B (CUDA-graph) cuda 1.54s
22 Coqui XTTS-v2 cuda 1.59s
23 WavTTS 0.67B cuda 2.29s
24 Echo-TTS cuda 2.34s
25 LongCat-AudioDiT 3.5B cuda 2.34s
26 Chatterbox cuda 2.87s
27 AuK cuda 3.12s
28 Sopro V2 Turbo cpu 3.30s
29 MOSS-TTS-Nano cuda 3.69s
30 MOSS-TTS-Nano cpu 4.58s
31 VibeVoice 7B cuda 4.60s
32 MOSS-TTS v1.0 cuda 4.69s
33 DramaBox cuda 4.98s
34 IndexTTS-2 cuda 5.19s
35 VoxCPM2 2B cuda 5.19s
36 MOSS-TTS v1.5 cuda 6.51s
37 Fish Speech 1.5 cuda 7.20s
38 Chatterbox Turbo cpu 7.65s
39 Zonos v0.1 cuda 8.48s
40 FireRedTTS3 cuda 8.79s
41 Coqui XTTS-v2 cpu 9.36s
42 Dia 1.6B-0626 cuda 10.53s
43 Audio8 TTS Preview 0.6B cuda 11.09s
44 VoxCPM2 2B cpu 14.38s
45 Sesame CSM-1B cuda 15.42s
46 Chatterbox cpu 16.32s
47 ZipVoice 123M cpu 16.61s
48 OuteTTS 1.0 1B cuda 17.15s
49 Audio8 TTS Preview 0.1B cuda 18.57s
50 Miso TTS 8B cuda 21.77s
51 Fish Speech 1.5 cpu 36.09s
52 Mars5-TTS cuda 38.59s
53 Audio8 TTS Preview 0.1B cpu 40.80s
54 Audio8 TTS Preview 0.6B cpu 45.06s
55 Zonos v0.1 cpu 49.51s
56 OmniVoice cpu 49.71s
57 Sesame CSM-1B cpu 61.47s
58 IndexTTS-2 cpu 65.40s
59 F5-TTS v1 cpu 65.87s
60 ZipVoice 123M cuda 142.27s

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 Sopro V2 Turbo (streaming) cuda 115ms
2 Sopro V2 Turbo cuda 230ms
3 Pocket-TTS cpu 273ms
4 NeuTTS Nano cuda 289ms
5 NeuTTS Nano cpu 342ms
6 OpenVoice v2 cuda 379ms
7 Audio8 TTS 0.6B (compiled) cuda 446ms
8 AuK-Flash cuda 456ms
9 Sopro V2 Turbo (streaming) cpu 818ms
10 OmniVoice cuda 833ms
11 Coqui XTTS-v2 cuda 953ms
12 OpenVoice v2 cpu 1.12s
13 Qwen3-TTS 1.7B (CUDA-graph) cuda 1.20s
14 Sopro V2 Turbo cpu 1.97s
15 VoxCPM2 2B cuda 2.87s
16 AuK cuda 3.26s
17 MOSS-TTS v1.0 cuda 3.52s
18 MOSS-TTS-Nano cpu 3.61s
19 MOSS-TTS v1.5 cuda 3.64s
20 Zonos v0.1 cuda 5.57s
21 Coqui XTTS-v2 cpu 5.58s
22 MOSS-TTS-Nano cuda 5.84s
23 Fish Speech 1.5 cuda 5.93s
24 Audio8 TTS Preview 0.6B cuda 7.10s
25 Audio8 TTS Preview 0.1B cuda 9.07s
26 VoxCPM2 2B cpu 9.90s
27 OuteTTS 1.0 1B cuda 10.67s
28 ZipVoice 123M cpu 14.56s
29 Audio8 TTS Preview 0.1B cpu 27.42s
30 Fish Speech 1.5 cpu 28.17s
31 Audio8 TTS Preview 0.6B cpu 28.67s
32 Zonos v0.1 cpu 30.92s
33 OmniVoice cpu 51.20s
34 ZipVoice 123M cuda 146.78s