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.
Prompt 1
[en]"Open the browser and read my email."
Rank
Model
Device
TTFA warm
Audio
1
Kokoro
cuda
47ms
2
Piper
cpu
47ms
3
Pocket-TTS
cpu
66ms
4
MeloTTS
cuda
75ms
5
LFM2.5-Audio 1.5B
cpu
83ms
6
LFM2.5-Audio 1.5B
cuda
89ms
7
StyleTTS 2
cpu
168ms
8
StyleTTS 2
cuda
175ms
9
Kokoro
cpu
226ms
10
NeuTTS Nano
cuda
270ms
11
NeuTTS Nano
cpu
303ms
12
OpenVoice v2
cuda
304ms
13
MeloTTS
cpu
345ms
14
NeuTTS Air
cuda
411ms
15
Supertonic 3
cpu
438ms
16
NeuTTS Air
cpu
463ms
17
KittenTTS Nano 0.1
cpu
504ms
18
Qwen3-TTS 1.7B (CUDA-graph)
cuda
557ms
19
Soprano 1.1 80M
cuda
557ms
20
OpenVoice v2
cpu
595ms
21
Coqui XTTS-v2
cuda
614ms
22
Soprano 1.1 80M
cpu
661ms
23
Chatterbox Turbo
cuda
725ms
24
F5-TTS v1
cuda
778ms
25
OmniVoice
cuda
887ms
26
ZipVoice 123M
cuda
1.20s
27
Chatterbox
cuda
1.22s
28
LongCat-AudioDiT 1B
cuda
1.24s
29
VibeVoice Realtime 0.5B
cuda
1.35s
30
Magpie-TTS
cuda
1.61s
31
LongCat-AudioDiT 3.5B
cuda
1.76s
32
VibeVoice 1.5B
cuda
1.85s
33
IndexTTS-2
cpu
2.04s
34
Echo-TTS
cuda
2.11s
35
VoxCPM2 2B
cuda
2.48s
36
MOSS-TTS-Nano
cuda
2.57s
37
Parler-TTS Mini v1
cuda
2.58s
38
MOSS-TTS v1.0
cuda
2.72s
39
IndexTTS-2
cuda
2.74s
40
Coqui XTTS-v2
cpu
2.75s
41
Qwen3-TTS 1.7B Base
cuda
2.78s
42
MOSS-TTS-Nano
cpu
2.99s
43
DramaBox
cuda
2.99s
44
Fish Speech 1.5
cuda
3.06s
45
Zonos v0.1
cuda
3.50s
46
Chatterbox Turbo
cpu
3.62s
47
Sesame CSM-1B
cuda
3.73s
48
VibeVoice Realtime 0.5B
cpu
4.74s
49
Maya1
cuda
4.75s
50
Dia 1.6B-0626
cuda
4.75s
51
Chatterbox
cpu
5.32s
52
Miso TTS 8B
cuda
5.48s
53
MOSS-TTS v1.5
cuda
5.62s
54
Magpie-TTS
cpu
7.12s
55
OmniVoice
cpu
7.50s
56
VibeVoice 7B
cuda
7.64s
57
VoxCPM2 2B
cpu
8.44s
58
OuteTTS 1.0 1B
cuda
10.20s
59
ZipVoice 123M
cpu
10.63s
60
Qwen3-TTS 1.7B Base
cpu
11.69s
61
Fish Speech 1.5
cpu
15.07s
62
Parler-TTS Mini v1
cpu
16.48s
63
Mars5-TTS
cpu
19.20s
64
Mars5-TTS
cuda
19.75s
65
Zonos v0.1
cpu
19.96s
66
VibeVoice 1.5B
cpu
20.22s
67
Sesame CSM-1B
cpu
20.89s
68
F5-TTS v1
cpu
45.35s
69
Maya1
cpu
49.55s
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
Kokoro
cuda
59ms
2
Piper
cpu
89ms
3
LFM2.5-Audio 1.5B
cpu
89ms
4
Pocket-TTS
cpu
94ms
5
LFM2.5-Audio 1.5B
cuda
103ms
6
MeloTTS
cuda
107ms
7
StyleTTS 2
cuda
188ms
8
StyleTTS 2
cpu
198ms
9
NeuTTS Nano
cuda
268ms
10
NeuTTS Nano
cpu
317ms
11
OpenVoice v2
cuda
353ms
12
Kokoro
cpu
380ms
13
NeuTTS Air
cuda
420ms
14
NeuTTS Air
cpu
506ms
15
Supertonic 3
cpu
586ms
16
MeloTTS
cpu
656ms
17
F5-TTS v1
cuda
735ms
18
OmniVoice
cuda
773ms
19
KittenTTS Nano 0.1
cpu
843ms
20
LongCat-AudioDiT 1B
cuda
971ms
21
Coqui XTTS-v2
cuda
1.15s
22
OpenVoice v2
cpu
1.18s
23
Qwen3-TTS 1.7B (CUDA-graph)
cuda
1.30s
24
Chatterbox Turbo
cuda
1.30s
25
Soprano 1.1 80M
cuda
1.33s
26
Soprano 1.1 80M
cpu
1.43s
27
LongCat-AudioDiT 3.5B
cuda
1.49s
28
Echo-TTS
cuda
2.20s
29
Chatterbox
cuda
2.24s
30
VibeVoice Realtime 0.5B
cuda
2.64s
31
DramaBox
cuda
3.42s
32
Magpie-TTS
cuda
3.45s
33
VibeVoice 1.5B
cuda
3.47s
34
VoxCPM2 2B
cuda
3.59s
35
VibeVoice 7B
cuda
3.78s
36
MOSS-TTS v1.0
cuda
3.94s
37
IndexTTS-2
cuda
4.16s
38
IndexTTS-2
cpu
4.23s
39
MOSS-TTS-Nano
cpu
4.47s
40
MOSS-TTS-Nano
cuda
5.23s
41
MOSS-TTS v1.5
cuda
5.89s
42
Parler-TTS Mini v1
cuda
6.04s
43
Qwen3-TTS 1.7B Base
cuda
6.47s
44
Coqui XTTS-v2
cpu
6.65s
45
Fish Speech 1.5
cuda
7.07s
46
Zonos v0.1
cuda
7.78s
47
Chatterbox Turbo
cpu
8.06s
48
VibeVoice Realtime 0.5B
cpu
9.36s
49
Chatterbox
cpu
10.32s
50
Sesame CSM-1B
cuda
10.43s
51
Maya1
cuda
10.54s
52
VoxCPM2 2B
cpu
11.56s
53
OmniVoice
cpu
13.09s
54
OuteTTS 1.0 1B
cuda
20.98s
55
Magpie-TTS
cpu
21.02s
56
Miso TTS 8B
cuda
22.52s
57
Qwen3-TTS 1.7B Base
cpu
22.87s
58
Mars5-TTS
cuda
25.09s
59
Mars5-TTS
cpu
26.10s
60
VibeVoice 1.5B
cpu
29.51s
61
Fish Speech 1.5
cpu
31.14s
62
Parler-TTS Mini v1
cpu
42.46s
63
Zonos v0.1
cpu
45.49s
64
Dia 1.6B-0626
cuda
51.96s
65
F5-TTS v1
cpu
58.82s
66
Sesame CSM-1B
cpu
66.45s
67
Maya1
cpu
97.77s
68
ZipVoice 123M
cuda
137.13s
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
LFM2.5-Audio 1.5B
cuda
79ms
2
LFM2.5-Audio 1.5B
cpu
84ms
3
Pocket-TTS
cpu
109ms
4
Kokoro
cuda
116ms
5
MeloTTS
cuda
153ms
6
Piper
cpu
239ms
7
NeuTTS Nano
cuda
265ms
8
NeuTTS Nano
cpu
322ms
9
StyleTTS 2
cpu
328ms
10
StyleTTS 2
cuda
374ms
11
NeuTTS Air
cuda
423ms
12
NeuTTS Air
cpu
458ms
13
OpenVoice v2
cuda
485ms
14
OmniVoice
cuda
714ms
15
F5-TTS v1
cuda
1.03s
16
Kokoro
cpu
1.27s
17
LongCat-AudioDiT 1B
cuda
1.29s
18
Supertonic 3
cpu
1.45s
19
MeloTTS
cpu
1.76s
20
Echo-TTS
cuda
2.20s
21
LongCat-AudioDiT 3.5B
cuda
2.20s
22
KittenTTS Nano 0.1
cpu
2.46s
23
OpenVoice v2
cpu
3.11s
24
Chatterbox Turbo
cuda
3.12s
25
Qwen3-TTS 1.7B (CUDA-graph)
cuda
3.30s
26
Soprano 1.1 80M
cuda
3.70s
27
Soprano 1.1 80M
cpu
4.27s
28
Chatterbox
cuda
4.68s
29
Coqui XTTS-v2
cuda
4.82s
30
DramaBox
cuda
5.19s
31
VibeVoice Realtime 0.5B
cuda
7.86s
32
MOSS-TTS v1.0
cuda
8.40s
33
VibeVoice 7B
cuda
8.77s
34
Magpie-TTS
cuda
9.64s
35
MOSS-TTS-Nano
cuda
10.45s
36
VibeVoice 1.5B
cuda
10.63s
37
VoxCPM2 2B
cuda
11.06s
38
IndexTTS-2
cpu
11.13s
39
MOSS-TTS-Nano
cpu
11.83s
40
MOSS-TTS v1.5
cuda
11.88s
41
IndexTTS-2
cuda
12.58s
42
Fish Speech 1.5
cuda
17.39s
43
Parler-TTS Mini v1
cuda
18.07s
44
Sesame CSM-1B
cuda
18.23s
45
Chatterbox Turbo
cpu
19.26s
46
Qwen3-TTS 1.7B Base
cuda
19.42s
47
Dia 1.6B-0626
cuda
22.29s
48
Coqui XTTS-v2
cpu
25.28s
49
Zonos v0.1
cuda
25.58s
50
VibeVoice Realtime 0.5B
cpu
26.34s
51
Chatterbox
cpu
28.27s
52
Maya1
cuda
29.31s
53
VoxCPM2 2B
cpu
32.23s
54
OmniVoice
cpu
34.51s
55
OuteTTS 1.0 1B
cuda
50.39s
56
Mars5-TTS
cpu
50.94s
57
Mars5-TTS
cuda
51.19s
58
Qwen3-TTS 1.7B Base
cpu
63.06s
59
Miso TTS 8B
cuda
75.59s
60
F5-TTS v1
cpu
77.80s
61
Sesame CSM-1B
cpu
78.74s
62
VibeVoice 1.5B
cpu
85.74s
63
Magpie-TTS
cpu
87.47s
64
Fish Speech 1.5
cpu
96.22s
65
Parler-TTS Mini v1
cpu
140.05s
66
Zonos v0.1
cpu
156.70s
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
Kokoro
cuda
65ms
2
LFM2.5-Audio 1.5B
cpu
78ms
3
LFM2.5-Audio 1.5B
cuda
91ms
4
Pocket-TTS
cpu
92ms
5
Piper
cpu
93ms
6
MeloTTS
cuda
108ms
7
NeuTTS Nano
cuda
258ms
8
NeuTTS Nano
cpu
297ms
9
StyleTTS 2
cpu
309ms
10
StyleTTS 2
cuda
323ms
11
OpenVoice v2
cuda
387ms
12
NeuTTS Air
cuda
417ms
13
Kokoro
cpu
452ms
14
NeuTTS Air
cpu
456ms
15
Supertonic 3
cpu
663ms
16
OmniVoice
cuda
694ms
17
MeloTTS
cpu
743ms
18
F5-TTS v1
cuda
836ms
19
KittenTTS Nano 0.1
cpu
1.01s
20
LongCat-AudioDiT 1B
cuda
1.26s
21
Chatterbox Turbo
cuda
1.33s
22
OpenVoice v2
cpu
1.39s
23
Soprano 1.1 80M
cuda
1.49s
24
Soprano 1.1 80M
cpu
1.62s
25
Qwen3-TTS 1.7B (CUDA-graph)
cuda
1.66s
26
LongCat-AudioDiT 3.5B
cuda
1.74s
27
Coqui XTTS-v2
cuda
1.93s
28
Echo-TTS
cuda
2.09s
29
Chatterbox
cuda
2.31s
30
VibeVoice Realtime 0.5B
cuda
3.23s
31
DramaBox
cuda
3.52s
32
MOSS-TTS-Nano
cuda
3.67s
33
IndexTTS-2
cpu
4.29s
34
Magpie-TTS
cuda
4.37s
35
VibeVoice 7B
cuda
4.48s
36
IndexTTS-2
cuda
4.64s
37
MOSS-TTS v1.0
cuda
4.90s
38
MOSS-TTS-Nano
cpu
5.00s
39
VibeVoice 1.5B
cuda
5.30s
40
Parler-TTS Mini v1
cuda
5.87s
41
VoxCPM2 2B
cuda
6.05s
42
Fish Speech 1.5
cuda
6.90s
43
MOSS-TTS v1.5
cuda
7.04s
44
Chatterbox Turbo
cpu
8.76s
45
Zonos v0.1
cuda
9.44s
46
Coqui XTTS-v2
cpu
9.48s
47
Qwen3-TTS 1.7B Base
cuda
9.49s
48
Dia 1.6B-0626
cuda
12.27s
49
Chatterbox
cpu
12.46s
50
VibeVoice Realtime 0.5B
cpu
12.96s
51
OmniVoice
cpu
13.20s
52
VoxCPM2 2B
cpu
13.91s
53
Maya1
cuda
14.58s
54
ZipVoice 123M
cpu
16.26s
55
Sesame CSM-1B
cuda
17.41s
56
OuteTTS 1.0 1B
cuda
23.43s
57
Miso TTS 8B
cuda
24.87s
58
Mars5-TTS
cpu
26.53s
59
Mars5-TTS
cuda
28.21s
60
Magpie-TTS
cpu
29.11s
61
Qwen3-TTS 1.7B Base
cpu
30.68s
62
Fish Speech 1.5
cpu
42.69s
63
VibeVoice 1.5B
cpu
45.79s
64
Zonos v0.1
cpu
49.69s
65
Parler-TTS Mini v1
cpu
52.09s
66
F5-TTS v1
cpu
58.87s
67
Sesame CSM-1B
cpu
64.06s
68
ZipVoice 123M
cuda
142.94s
Prompt 5
[fr]"Bonjour, je m'appelle Cicero et je vais vous aider avec votre code aujourd'hui."