Estimated Belliste score, based on the available capabilities, quality, features and pricing information. It is an indicative profile estimate, not an independent benchmark.
How this profile estimate is calculated
Capabilities contribute 35%, quality wording 30%, listed features 20%, and pricing 15% when available. When capability fields are absent, specialization breadth supplies a 25% fallback. Missing categories are omitted and the remaining weights are rescaled. The estimate uses each model’s own published profile; it does not measure answer accuracy or replace a hands-on test.
OverviewOpenVoice V2Speechify
PriceFree · Open source (MIT)Free API · Pay-as-you-go from $10/1M chars
SpecializationVoice Cloning · Voice Conversion · Multilingual Speech · Open SourceTTS · Voice Cloning · Dubbing · Real-time Audio
QualityFlexible cross-lingual cloning with controllable style and improved V2 audio quality.Natural production speech with low-latency streaming and multilingual cloning.
FeaturesZero-shot Cloning · Cross-lingual · Style Control · Self-hosting · MIT LicenseVoice Cloning · API · Streaming · 50+ Languages · 1,000+ Voices
Capabilities
12 specifications +
SpecificationOpenVoice V2Speechify
Number of voicesNot specified1,000+
Text-to-SpeechYes · base TTS plus tone-color conversionYes · Simba models
Voice cloningZero-shot instant tone-color cloningZero-shot and fine-tuned
DubbingNot specifiedDubbing Studio and enterprise dubbing
Supported languagesNative V2: English, Spanish, French, Chinese, Japanese, Korean; cross-lingual cloningSimba 3.0: 6 languages / 7 locales self-serve; Simba 3.2: English
Voice conversionTone-color conversionVoice Changer in Studio
Real-time audioNot specifiedStreaming API · ~300 ms
Emotion controlEmotion, accent, rhythm, pauses and intonation controlEmotion control and SSML
Speech-to-SpeechNot specifiedVoice Changer in Studio
Voice libraryNot specified1,000+ preset voices
Number of VoicesNot specified1,000+
Voice CloningZero-shot instant tone-color cloningZero-shot and fine-tuned
Developer
3 specifications +
SpecificationOpenVoice V2Speechify
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