TTS Bench — Speed — windows-default

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

Label: default voice

TTFA = time to first audio (ms; lower is better). RTFx = realtime speed (× realtime; higher is better; e.g. 10× means 10 sec of audio generated per 1 sec of compute). Cold = first run after process start; warm = subsequent runs.

Speed winners

Fastest predefined-voice: Vaniq-Edge (cuda) — 298.04× warm RTFx, 30ms warm TTFA

Fastest cloning-capable: StyleTTS 2 (cuda) — 32.15× warm RTFx, 265ms warm TTFA

Model	Device	TTFA cold	TTFA warm	RTFx cold	RTFx warm	Peak RAM	Peak VRAM	Size	Released
Vaniq-Edge	cuda	606ms	30ms	14.93×	298.04×	1.62 GB	282 MB	8.91M	Aug 2026
sanoTTS Heart-Nano (3/4 ok)	cpu	228ms	50ms	21.95×	104.12×	103 MB	—	294K	Sep 2026
Kokoro	cuda	895ms	67ms	8.32×	103.68×	2.43 GB	925 MB	82M	Dec 2024
SupraTTS 0.1 Beta	cuda	4.48s	147ms	3.39×	67.53×	2.87 GB	548 MB	43.5M	Sep 2026
MeloTTS	cuda	1.61s	117ms	4.60×	60.41×	2.89 GB	1.16 GB	~52M	Feb 2024
Inflect-Micro v2	cuda	549ms	125ms	13.57×	58.85×	1.47 GB	269 MB	9.36M	Jul 2026
Piper	cpu	160ms	107ms	38.94×	58.83×	470 MB	—	~25MB	Jan 2023
Inflect-Nano v2	cuda	570ms	131ms	13.40×	55.20×	1.48 GB	164 MB	3.96M	Jul 2026
Vaniq-Edge	cpu	539ms	250ms	15.18×	37.48×	775 MB	—	8.91M	Aug 2026
StyleTTS 2	cuda	1.76s	265ms	4.80×	32.15×	2.60 GB	1.49 GB	~148M	Jun 2023
Inflect-Nano v2	cpu	545ms	333ms	12.88×	21.07×	681 MB	—	3.96M	Jul 2026
Sopro V2 Turbo	cuda	526ms	400ms	13.77×	19.14×	2.50 GB	864 MB	120M	Aug 2026
sanoTTS Amy	cpu	728ms	484ms	11.11×	17.41×	112 MB	—	1.46M	Jul 2026
OpenVoice v2	cuda	1.85s	361ms	3.65×	16.93×	2.65 GB	1.35 GB	~100M	Apr 2024
Inflect-Micro v2	cpu	588ms	452ms	11.73×	15.67×	856 MB	—	9.36M	Jul 2026
Kokoro	cpu	609ms	532ms	12.13×	14.38×	1.82 GB	—	82M	Dec 2024
AuK-Flash	cuda	10.80s	532ms	0.91×	14.26×	2.75 GB	24.92 GB	1.53B	Sep 2026
Audio8 TTS 0.6B (compiled)	cuda	1.06s	579ms	6.93×	13.50×	2.37 GB	2.76 GB	601M	Aug 2026
Sopro V2 Turbo (streaming)	cuda	190ms	109ms	9.95×	12.40×	2.54 GB	1.09 GB	120M	Aug 2026
SupraTTS 0.1 Beta	cpu	843ms	733ms	10.00×	12.04×	2.13 GB	—	43.5M	Sep 2026
Supertonic 3	cpu	744ms	741ms	9.86×	9.92×	570 MB	—	99M	May 2026
MeloTTS	cpu	1.88s	794ms	3.68×	9.40×	2.48 GB	—	~52M	Feb 2024
OmniVoice	cuda	1.12s	757ms	6.44×	9.30×	2.07 GB	2.16 GB	~1B	Mar 2026
Scylla's Band	cpu	1.62s	793ms	3.51×	7.46×	1.04 GB	—	~103M	Jul 2026
LongCat-AudioDiT 1B	cuda	1.76s	1.19s	5.10×	6.69×	2.22 GB	5.71 GB	1.42B	Mar 2026
KittenTTS Nano 0.1	cpu	1.22s	1.20s	6.40×	6.39×	338 MB	—	<100M	Aug 2025
F5-TTS v1	cuda	1.31s	845ms	3.47×	5.32×	2.67 GB	802 MB	330M	Oct 2024
Coqui XTTS-v2	cuda	2.05s	1.87s	3.63×	4.75×	2.10 GB	2.14 GB	750M	Oct 2023
StyleTTS 2	cpu	3.10s	1.89s	2.55×	4.67×	2.78 GB	—	~148M	Jun 2023
Pocket-TTS	cpu	142ms	119ms	4.42×	4.40×	1.95 GB	—	100M	Jan 2026
Chatterbox Turbo	cuda	2.39s	1.62s	2.80×	4.28×	2.44 GB	3.01 GB	744M	Dec 2025
LongCat-AudioDiT 3.5B	cuda	2.27s	1.80s	3.41×	4.24×	2.22 GB	14.96 GB	3.83B	Mar 2026
OpenVoice v2	cpu	2.83s	1.48s	2.10×	4.10×	2.78 GB	—	~100M	Apr 2024
Soprano 1.1 80M	cuda	1.74s	1.77s	3.77×	3.76×	2.12 GB	326 MB	80M	Jan 2026
Qwen3-TTS 1.7B (CUDA-graph)	cuda	6.51s	1.60s	0.90×	3.76×	2.48 GB	4.89 GB	1.7B	Jan 2026
Echo-TTS	cuda	2.83s	2.15s	2.63×	3.44×	1.94 GB	9.38 GB	2.8B	Dec 2025
Soprano 1.1 80M	cpu	1.97s	2.00s	3.40×	3.40×	1.34 GB	—	80M	Jan 2026
Sopro V2 Turbo	cpu	2.68s	2.74s	2.87×	2.81×	1.28 GB	—	120M	Aug 2026
NeuTTS Nano	cuda	678ms	258ms	2.19×	2.76×	3.24 GB	3.26 GB	229M	Dec 2025
Sopro V2 Turbo (streaming)	cpu	495ms	474ms	2.62×	2.67×	1.32 GB	—	120M	Aug 2026
DramaBox	cuda	5.14s	3.78s	1.93×	2.58×	2.36 GB	17.39 GB	3.3B	Apr 2026
VibeVoice Realtime 0.5B	cuda	3.80s	3.77s	2.24×	2.39×	1.88 GB	2.62 GB	0.5B	Dec 2025
Chatterbox	cuda	3.35s	2.61s	1.66×	2.24×	2.80 GB	3.24 GB	1.2B	Apr 2025
AuK	cuda	18.14s	3.62s	0.43×	2.08×	2.74 GB	25.39 GB	1.53B	Sep 2026
NeuTTS Nano	cpu	698ms	303ms	1.73×	2.00×	5.03 GB	—	229M	Dec 2025
Magpie-TTS	cuda	5.48s	4.48s	1.53×	1.93×	3.54 GB	5.60 GB	357M	Dec 2025
NeuTTS Air	cuda	1.15s	417ms	1.34×	1.62×	3.60 GB	3.26 GB	748M	Sep 2025
MOSS-TTS-Nano	cuda	5.83s	4.92s	1.36×	1.61×	2.42 GB	777 MB	100M	Apr 2026
VibeVoice 1.5B	cuda	4.99s	5.32s	1.44×	1.61×	2.04 GB	5.26 GB	1.5B	Aug 2025
VibeVoice 7B	cuda	5.67s	6.17s	1.39×	1.55×	2.05 GB	17.63 GB	7B	Sep 2025
MOSS-TTS v1.0	cuda	5.23s	4.74s	1.34×	1.48×	2.08 GB	22.83 GB	8B	Feb 2026
VoxCPM2 2B	cuda	5.36s	5.19s	1.35×	1.35×	6.18 GB	5.65 GB	2B	Apr 2026
NeuTTS Air	cpu	1.20s	471ms	1.16×	1.29×	5.37 GB	—	748M	Sep 2025
MOSS-TTS-Nano	cpu	6.38s	5.64s	1.08×	1.21×	3.14 GB	—	100M	Apr 2026
LFM2.5-Audio 1.5B	cuda	410ms	91ms	0.99×	1.18×	2.25 GB	3.18 GB	1.5B	Dec 2025
IndexTTS-2	cuda	7.20s	6.03s	0.93×	1.11×	5.88 GB	7.60 GB	1.5B	Jun 2025
Parler-TTS Mini v1	cuda	8.29s	8.14s	0.96×	1.05×	3.19 GB	2.63 GB	878M	Jun 2024
MOSS-TTS v1.5	cuda	7.66s	6.86s	0.88×	0.99×	2.38 GB	22.83 GB	8B	May 2026
Fish Speech 1.5	cuda	8.53s	7.84s	0.81×	0.94×	3.83 GB	1.80 GB	~500M	Nov 2024
Coqui XTTS-v2	cpu	9.92s	9.73s	0.87×	0.88×	3.23 GB	—	750M	Oct 2023
FireRedTTS3	cuda	24.87s	8.50s	0.26×	0.83×	2.07 GB	14.18 GB	2.12B	Aug 2026
Chatterbox Turbo	cpu	10.65s	9.92s	0.70×	0.73×	4.16 GB	—	744M	Dec 2025
Audio8 TTS Preview 0.6B	cuda	13.14s	10.81s	0.56×	0.72×	2.98 GB	2.80 GB	601M	Jul 2026
Zonos v0.1	cuda	10.88s	10.38s	0.66×	0.71×	6.51 GB	4.48 GB	1.6B	Feb 2025
Qwen3-TTS 1.7B Base	cuda	10.77s	8.95s	0.55×	0.70×	2.42 GB	4.64 GB	1.7B	Jan 2026
VibeVoice Realtime 0.5B	cpu	14.49s	13.35s	0.63×	0.66×	5.89 GB	—	0.5B	Dec 2025
LFM2.5-Audio 1.5B	cpu	227ms	214ms	0.62×	0.66×	6.08 GB	—	1.5B	Dec 2025
Qwen3-TTS 0.6B CustomVoice	cuda	13.67s	13.88s	0.61×	0.63×	2.32 GB	2.58 GB	0.6B	Jan 2026
ZipVoice 123M (4/5 ok)	cuda	68.83s	86.51s	0.35×	0.60×	25.87 GB	53.16 GB	123M	Jun 2025
Maya1	cuda	16.57s	14.80s	0.53×	0.59×	2.42 GB	6.72 GB	3B	Oct 2025
Dia 1.6B-0626	cuda	25.42s	22.82s	0.46×	0.55×	4.42 GB	6.32 GB	1.6B	Jun 2025
Sesame CSM-1B	cuda	12.01s	12.45s	0.52×	0.54×	2.38 GB	3.51 GB	1B	Mar 2025
ZipVoice 123M (3/5 ok)	cpu	22.96s	13.44s	0.27×	0.45×	35.45 GB	—	123M	Jun 2025
VoxCPM2 2B	cpu	15.35s	14.85s	0.46×	0.45×	10.14 GB	—	2B	Apr 2026
Audio8 TTS Preview 0.1B	cuda	21.71s	18.40s	0.35×	0.44×	2.94 GB	1.90 GB	170M	Aug 2026
Chatterbox	cpu	14.47s	14.10s	0.40×	0.43×	4.24 GB	—	1.2B	Apr 2025
OmniVoice	cpu	16.45s	15.98s	0.38×	0.39×	3.05 GB	—	~1B	Mar 2026
OuteTTS 1.0 1B	cuda	25.01s	24.27s	0.32×	0.33×	2.59 GB	3.67 GB	1B	Apr 2025
Miso TTS 8B	cuda	36.25s	32.11s	0.30×	0.31×	2.01 GB	16.53 GB	8.2B	May 2026
Magpie-TTS	cpu	37.17s	33.72s	0.29×	0.30×	6.10 GB	—	357M	Dec 2025
Qwen3-TTS 0.6B CustomVoice	cpu	31.64s	34.39s	0.26×	0.26×	5.19 GB	—	0.6B	Jan 2026
Audio8 TTS Preview 0.1B	cpu	33.61s	32.74s	0.22×	0.23×	4.90 GB	—	170M	Aug 2026
Mars5-TTS	cuda	31.20s	31.06s	0.23×	0.23×	2.25 GB	6.81 GB	1.2B	Jun 2024
VibeVoice 1.5B	cpu	39.59s	45.31s	0.19×	0.20×	11.62 GB	—	1.5B	Aug 2025
Qwen3-TTS 1.7B Base	cpu	34.81s	30.07s	0.18×	0.19×	10.40 GB	—	1.7B	Jan 2026
Audio8 TTS Preview 0.6B	cpu	48.07s	44.31s	0.16×	0.18×	5.47 GB	—	601M	Jul 2026
Fish Speech 1.5	cpu	45.73s	45.34s	0.17×	0.17×	4.46 GB	—	~500M	Nov 2024
Parler-TTS Mini v1	cpu	63.39s	62.77s	0.14×	0.14×	4.31 GB	—	878M	Jun 2024
Zonos v0.1	cpu	62.12s	60.57s	0.12×	0.12×	7.39 GB	—	1.6B	Feb 2025
Sesame CSM-1B	cpu	50.90s	57.54s	0.11×	0.12×	5.77 GB	—	1B	Mar 2025
IndexTTS-2	cpu	92.65s	80.32s	0.08×	0.09×	12.02 GB	—	1.5B	Jun 2025
F5-TTS v1	cpu	58.77s	60.21s	0.07×	0.07×	2.59 GB	—	330M	Oct 2024
Maya1 (2/4 ok)	cpu	66.31s	73.66s	0.07×	0.07×	7.33 GB	—	3B	Oct 2025
LuxTTS	cpu	LuxTTS install failed (piper-phonemize has no Windows wheels)
Mars5-TTS	cpu	Timed out after 30 min — model too slow at this prompt length

Model

Device

TTFA cold

TTFA warm

RTFx cold

RTFx warm

Peak RAM

Peak VRAM

Size

Released

Vaniq-Edge

cuda

606ms

30ms

14.93×

298.04×

1.62 GB

282 MB

8.91M

Aug 2026

sanoTTS Heart-Nano (3/4 ok)

cpu

228ms

50ms

21.95×

104.12×

103 MB

—

294K

Sep 2026

Kokoro

cuda

895ms

67ms

8.32×

103.68×

2.43 GB

925 MB

82M

Dec 2024

SupraTTS 0.1 Beta

cuda

4.48s

147ms

3.39×

67.53×

2.87 GB

548 MB

43.5M

Sep 2026

MeloTTS

cuda

1.61s

117ms

4.60×

60.41×

2.89 GB

1.16 GB

~52M

Feb 2024

Inflect-Micro v2

cuda

549ms

125ms

13.57×

58.85×

1.47 GB

269 MB

9.36M

Jul 2026

Piper

cpu

160ms

107ms

38.94×

58.83×

470 MB

—

~25MB

Jan 2023

Inflect-Nano v2

cuda

570ms

131ms

13.40×

55.20×

1.48 GB

164 MB

3.96M

Jul 2026

Vaniq-Edge

cpu

539ms

250ms

15.18×

37.48×

775 MB

—

8.91M

Aug 2026

StyleTTS 2

cuda

1.76s

265ms

4.80×

32.15×

2.60 GB

1.49 GB

~148M

Jun 2023

Inflect-Nano v2

cpu

545ms

333ms

12.88×

21.07×

681 MB

—

3.96M

Jul 2026

Sopro V2 Turbo

cuda

526ms

400ms

13.77×

19.14×

2.50 GB

864 MB

120M

Aug 2026

sanoTTS Amy

cpu

728ms

484ms

11.11×

17.41×

112 MB

—

1.46M

Jul 2026

OpenVoice v2

cuda

1.85s

361ms

3.65×

16.93×

2.65 GB

1.35 GB

~100M

Apr 2024

Inflect-Micro v2

cpu

588ms

452ms

11.73×

15.67×

856 MB

—

9.36M

Jul 2026

Kokoro

cpu

609ms

532ms

12.13×

14.38×

1.82 GB

—

82M

Dec 2024

AuK-Flash

cuda

10.80s

532ms

0.91×

14.26×

2.75 GB

24.92 GB

1.53B

Sep 2026

Audio8 TTS 0.6B (compiled)

cuda

1.06s

579ms

6.93×

13.50×

2.37 GB

2.76 GB

601M

Aug 2026

Sopro V2 Turbo (streaming)

cuda

190ms

109ms

9.95×

12.40×

2.54 GB

1.09 GB

120M

Aug 2026

SupraTTS 0.1 Beta

cpu

843ms

733ms

10.00×

12.04×

2.13 GB

—

43.5M

Sep 2026

Supertonic 3

cpu

744ms

741ms

9.86×

9.92×

570 MB

—

99M

May 2026

MeloTTS

cpu

1.88s

794ms

3.68×

9.40×

2.48 GB

—

~52M

Feb 2024

OmniVoice

cuda

1.12s

757ms

6.44×

9.30×

2.07 GB

2.16 GB

~1B

Mar 2026

Scylla's Band

cpu

1.62s

793ms

3.51×

7.46×

1.04 GB

—

~103M

Jul 2026

LongCat-AudioDiT 1B

cuda

1.76s

1.19s

5.10×

6.69×

2.22 GB

5.71 GB

1.42B

Mar 2026

KittenTTS Nano 0.1

cpu

1.22s

1.20s

6.40×

6.39×

338 MB

—

<100M

Aug 2025

F5-TTS v1

cuda

1.31s

845ms

3.47×

5.32×

2.67 GB

802 MB

330M

Oct 2024

Coqui XTTS-v2

cuda

2.05s

1.87s

3.63×

4.75×

2.10 GB

2.14 GB

750M

Oct 2023

StyleTTS 2

cpu

3.10s

1.89s

2.55×

4.67×

2.78 GB

—

~148M

Jun 2023

Pocket-TTS

cpu

142ms

119ms

4.42×

4.40×

1.95 GB

—

100M

Jan 2026

Chatterbox Turbo

cuda

2.39s

1.62s

2.80×

4.28×

2.44 GB

3.01 GB

744M

Dec 2025

LongCat-AudioDiT 3.5B

cuda

2.27s

1.80s

3.41×

4.24×

2.22 GB

14.96 GB

3.83B

Mar 2026

OpenVoice v2

cpu

2.83s

1.48s

2.10×

4.10×

2.78 GB

—

~100M

Apr 2024

Soprano 1.1 80M

cuda

1.74s

1.77s

3.77×

3.76×

2.12 GB

326 MB

80M

Jan 2026

Qwen3-TTS 1.7B (CUDA-graph)

cuda

6.51s

1.60s

0.90×

3.76×

2.48 GB

4.89 GB

1.7B

Jan 2026

Echo-TTS

cuda

2.83s

2.15s

2.63×

3.44×

1.94 GB

9.38 GB

2.8B

Dec 2025

Soprano 1.1 80M

cpu

1.97s

2.00s

3.40×

1.34 GB

—

80M

Jan 2026

Sopro V2 Turbo

cpu

2.68s

2.74s

2.87×

2.81×

1.28 GB

—

120M

Aug 2026

NeuTTS Nano

cuda

678ms

258ms

2.19×

2.76×

3.24 GB

3.26 GB

229M

Dec 2025

Sopro V2 Turbo (streaming)

cpu

495ms

474ms

2.62×

2.67×

1.32 GB

—

120M

Aug 2026

DramaBox

cuda

5.14s

3.78s

1.93×

2.58×

2.36 GB

17.39 GB

3.3B

Apr 2026

VibeVoice Realtime 0.5B

cuda

3.80s

3.77s

2.24×

2.39×

1.88 GB

2.62 GB

0.5B

Dec 2025

Chatterbox

cuda

3.35s

2.61s

1.66×

2.24×

2.80 GB

3.24 GB

1.2B

Apr 2025

AuK

cuda

18.14s

3.62s

0.43×

2.08×

2.74 GB

25.39 GB

1.53B

Sep 2026

NeuTTS Nano

cpu

698ms

303ms

1.73×

2.00×

5.03 GB

—

229M

Dec 2025

Magpie-TTS

cuda

5.48s

4.48s

1.53×

1.93×

3.54 GB

5.60 GB

357M

Dec 2025

NeuTTS Air

cuda

1.15s

417ms

1.34×

1.62×

3.60 GB

3.26 GB

748M

Sep 2025

MOSS-TTS-Nano

cuda

5.83s

4.92s

1.36×

1.61×

2.42 GB

777 MB

100M

Apr 2026

VibeVoice 1.5B

cuda

4.99s

5.32s

1.44×

1.61×

2.04 GB

5.26 GB

1.5B

Aug 2025

VibeVoice 7B

cuda

5.67s

6.17s

1.39×

1.55×

2.05 GB

17.63 GB

Sep 2025

MOSS-TTS v1.0

cuda

5.23s

4.74s

1.34×

1.48×

2.08 GB

22.83 GB

Feb 2026

VoxCPM2 2B

cuda

5.36s

5.19s

1.35×

6.18 GB

5.65 GB

Apr 2026

NeuTTS Air

cpu

1.20s

471ms

1.16×

1.29×

5.37 GB

—

748M

Sep 2025

MOSS-TTS-Nano

cpu

6.38s

5.64s

1.08×

1.21×

3.14 GB

—

100M

Apr 2026

LFM2.5-Audio 1.5B

cuda

410ms

91ms

0.99×

1.18×

2.25 GB

3.18 GB

1.5B

Dec 2025

IndexTTS-2

cuda

7.20s

6.03s

0.93×

1.11×

5.88 GB

7.60 GB

1.5B

Jun 2025

Parler-TTS Mini v1

cuda

8.29s

8.14s

0.96×

1.05×

3.19 GB

2.63 GB

878M

Jun 2024

MOSS-TTS v1.5

cuda

7.66s

6.86s

0.88×

0.99×

2.38 GB

22.83 GB

May 2026

Fish Speech 1.5

cuda

8.53s

7.84s

0.81×

0.94×

3.83 GB

1.80 GB

~500M

Nov 2024

Coqui XTTS-v2

cpu

9.92s

9.73s

0.87×

0.88×

3.23 GB

—

750M

Oct 2023

FireRedTTS3

cuda

24.87s

8.50s

0.26×

0.83×

2.07 GB

14.18 GB

2.12B

Aug 2026

Chatterbox Turbo

cpu

10.65s

9.92s

0.70×

0.73×

4.16 GB

—

744M

Dec 2025

Audio8 TTS Preview 0.6B

cuda

13.14s

10.81s

0.56×

0.72×

2.98 GB

2.80 GB

601M

Jul 2026

Zonos v0.1

cuda

10.88s

10.38s

0.66×

0.71×

6.51 GB

4.48 GB

1.6B

Feb 2025

Qwen3-TTS 1.7B Base

cuda

10.77s

8.95s

0.55×

0.70×

2.42 GB

4.64 GB

1.7B

Jan 2026

VibeVoice Realtime 0.5B

cpu

14.49s

13.35s

0.63×

0.66×

5.89 GB

—

0.5B

Dec 2025

LFM2.5-Audio 1.5B

cpu

227ms

214ms

0.62×

0.66×

6.08 GB

—

1.5B

Dec 2025

Qwen3-TTS 0.6B CustomVoice

cuda

13.67s

13.88s

0.61×

0.63×

2.32 GB

2.58 GB

0.6B

Jan 2026

ZipVoice 123M (4/5 ok)

cuda

68.83s

86.51s

0.35×

0.60×

25.87 GB

53.16 GB

123M

Jun 2025

Maya1

cuda

16.57s

14.80s

0.53×

0.59×

2.42 GB

6.72 GB

Oct 2025

Dia 1.6B-0626

cuda

25.42s

22.82s

0.46×

0.55×

4.42 GB

6.32 GB

1.6B

Jun 2025

Sesame CSM-1B

cuda

12.01s

12.45s

0.52×

0.54×

2.38 GB

3.51 GB

Mar 2025

ZipVoice 123M (3/5 ok)

cpu

22.96s

13.44s

0.27×

0.45×

35.45 GB

—

123M

Jun 2025

VoxCPM2 2B

cpu

15.35s

14.85s

0.46×

0.45×

10.14 GB

—

Apr 2026

Audio8 TTS Preview 0.1B

cuda

21.71s

18.40s

0.35×

0.44×

2.94 GB

1.90 GB

170M

Aug 2026

Chatterbox

cpu

14.47s

14.10s

0.40×

0.43×

4.24 GB

—

1.2B

Apr 2025

OmniVoice

cpu

16.45s

15.98s

0.38×

0.39×

3.05 GB

—

~1B

Mar 2026

OuteTTS 1.0 1B

cuda

25.01s

24.27s

0.32×

0.33×

2.59 GB

3.67 GB

Apr 2025

Miso TTS 8B

cuda

36.25s

32.11s

0.30×

0.31×

2.01 GB

16.53 GB

8.2B

May 2026

Magpie-TTS

cpu

37.17s

33.72s

0.29×

0.30×

6.10 GB

—

357M

Dec 2025

Qwen3-TTS 0.6B CustomVoice

cpu

31.64s

34.39s

0.26×

5.19 GB

—

0.6B

Jan 2026

Audio8 TTS Preview 0.1B

cpu

33.61s

32.74s

0.22×

0.23×

4.90 GB

—

170M

Aug 2026

Mars5-TTS

cuda

31.20s

31.06s

0.23×

2.25 GB

6.81 GB

1.2B

Jun 2024

VibeVoice 1.5B

cpu

39.59s

45.31s

0.19×

0.20×

11.62 GB

—

1.5B

Aug 2025

Qwen3-TTS 1.7B Base

cpu

34.81s

30.07s

0.18×

0.19×

10.40 GB

—

1.7B

Jan 2026

Audio8 TTS Preview 0.6B

cpu

48.07s

44.31s

0.16×

0.18×

5.47 GB

—

601M

Jul 2026

Fish Speech 1.5

cpu

45.73s

45.34s

0.17×

4.46 GB

—

~500M

Nov 2024

Parler-TTS Mini v1

cpu

63.39s

62.77s

0.14×

4.31 GB

—

878M

Jun 2024

Zonos v0.1

cpu

62.12s

60.57s

0.12×

7.39 GB

—

1.6B

Feb 2025

Sesame CSM-1B

cpu

50.90s

57.54s

0.11×

0.12×

5.77 GB

—

Mar 2025

IndexTTS-2

cpu

92.65s

80.32s

0.08×

0.09×

12.02 GB

—

1.5B

Jun 2025

F5-TTS v1

cpu

58.77s

60.21s

0.07×

2.59 GB

—

330M

Oct 2024

Maya1 (2/4 ok)

cpu

66.31s

73.66s

0.07×

7.33 GB

—

Oct 2025

LuxTTS

cpu

LuxTTS install failed (piper-phonemize has no Windows wheels)

Mars5-TTS

cpu

Timed out after 30 min — model too slow at this prompt length