VibeVoice 1.5B
Aug 2025
VibeVoice 1.5BCompare inonAA TTS provider voice
native billing onlyprice
955arena Elo
Aug 2025released
en, zhLanguages
Ranking?
Full ranking →···
83OpenVoice v2957.184VibeVoice 1.5B955.385Neuphonic TTS941.2Strong at
Alternatives?
ModelScoreCostPriceWhat changes
KBetterKokoro 82M v1.0Openwins 65%—$0.99Languages: loses zh+1
OpenFish Audio S2 Prowins 71%—$15Memory (4-bit): 1.6 GB → 2.7 GBSBetterSimba 3.2wins 84%—$6.58Languages: loses zhSBetterSimba 3.0wins 72%—$6.58Languages: not verified
BetterGemini 2.5 Flash Lite TTSwins 68%—$9.15Languages: not verifiedModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
KKokoro 82M v1.0Openwins 65%—$0.99Languages: loses zh+1SSimba 3.2wins 84%—$6.58Languages: loses zhSSimba 3.0wins 72%—$6.58Languages: not verifiedGemini 2.5 Flash Lite TTSwins 68%—$9.15Languages: not verifiedGemini 2.5 Flash TTS (Dec 2025)wins 65%—$9.15Languages: not verified
Run it yourself
estimateFits on✓ 8 GB (phone, laptop) · full quality✓ 16 GB · full quality✓ 24 GB GPU · full quality✓ 48 GB GPU · full quality✓ 80 GB GPU · full quality
LicenceMITfree for commercial use
Benchmarks
in Speech & VoiceAA TTS provider voice955.3#84
FAQ
How much does VibeVoice 1.5B cost?›
There is no per-unit API price: native billing only.
Is VibeVoice 1.5B free to use?›
There is no free API. The weights are open, so you can run it yourself.
How good is VibeVoice 1.5B, and what is it best at?›
#82 of 96 in Text to speech.
Is VibeVoice 1.5B better than OpenVoice v2?›
On AA TTS provider voice, VibeVoice 1.5B scores 955.3 vs 957.1 — about the same.
When was VibeVoice 1.5B released? Is there a newer version?›
Released 2025-08-26. It is the current version in its line.
Is VibeVoice 1.5B open source?›
Yes, the weights are open (MIT licence).
Can I run VibeVoice 1.5B locally?›
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
What is VibeVoice 1.5B?›
VibeVoice 1.5B is an open-weights speech & voice model from Microsoft, released Aug 2025.
What are the best alternatives to VibeVoice 1.5B?›
Kokoro 82M v1.0 (better), Fish Audio S2 Pro (open weights).