SPEKO
x
WAYCO
Model
Provider
Naturalness
Latency
#1
Eleven v3
ElevenLabs
1621
750ms
tags
#3
Aura-2
Deepgram
1606
362ms
#4
Sonic-3.5
Cartesia
1593
357ms
tags
#5
TTS-RT-v1
Soniox
1592
472ms
#7
Inworld TTS-2
Inworld
1581
369ms
tags
#8
Lightning v3.1
Smallest
1560
683ms
#9
Grok TTS
xAI
1487
618ms
#15
Qwen3 TTS Flash
Qwen
1276
670ms
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