Sesame vs Uberduck AI Voices

Comparing the features of Sesame to Uberduck AI Voices

Feature
Sesame
Uberduck AI Voices

Capability Features

API Access
Consistent Personality
Context Awareness
Conversational Dynamics
Conversational Speech Generation
Dataset Size
1 million hours
Emotional Intelligence
Evaluation Suite
Industry-Leading Accuracy
Make Music
Make Videos
Make Voiceovers
Model Sizes
Tiny: 1B backbone, 100M decoderSmall: 3B backbone, 250M decoderMedium: 8B backbone, 300M decoder
Multiple Speaker Handling
Objective Metrics
Word Error RateSpeaker SimilarityHomograph DisambiguationPronunciation Consistency
Partial Multilingual Support Planned
Planned for 20+ languages
Pronunciation Correction
Sequence Length
2048
Single-Stage Model
Speech to Speech
Subjective Metrics
Comparative Mean Opinion Score
Supported Language List
AfrikaansAlbanianAmharicArabicArmenianAzerbaijaniBengaliBosnianBulgarianBurmeseCatalanChineseCroatianCzechDanishDutchEnglishEstonianFilipinoFinnishFrenchGeorgianGermanGreekHebrewHindiHungarianIcelandicIndonesianIrishItalianJapaneseJavaneseKannadaKazakhKhmerKoreanLaoLatvianLithuanianMacedonianMalayMalteseMandarinMongolianNepaliNorwegianPashtoPersianPolishPortugueseRomanianRussianSerbianSinhalaSlovakSlovenianSomaliSpanishSwahiliSwedishTagalogTamilTeluguThaiTurkishUkrainianUrduUzbekVietnameseWelshZulu
Text and Audio Input
TextAudio
Text to Rapping
Text to Singing
Text to Speech
Training Epochs
5
Voice Cloning
Voice Conversion
Voice Options
AbbiAbeoAditiAIGenerate1AIGenerate2Aisha PatelAlfieAmberAmyAnaAndrewAndrewMultilingualNeuralAnnetteAriaArthurAshleyAsiliaAvaAvaMultilingualNeuralAyandaB La BBellaBig GBlueBrandonBrianBrianMultilingualNeuralCarlyChilembaChristopherClaraConnorCoraDanielleDarrenDavid KimDavisDuncanElena RodriguezElimuElizabethElliotElsieEmilyEmmaEmmaMultilingualNeuralen-AU-Neural2-Aen-AU-Neural2-Ben-AU-Neural2-Cen-AU-Neural2-Den-AU-News-Een-AU-News-Fen-AU-News-Gen-AU-Polyglot-1en-AU-Standard-Aen-AU-Standard-Ben-AU-Standard-Cen-AU-Standard-Den-AU-Wavenet-Aen-AU-Wavenet-Ben-AU-Wavenet-Cen-AU-Wavenet-Den-GB-Neural2-Aen-GB-Neural2-Ben-GB-Neural2-Cen-GB-Neural2-Den-GB-Neural2-Fen-GB-News-Gen-GB-News-Hen-GB-News-Ien-GB-News-Jen-GB-News-Ken-GB-News-Len-GB-News-Men-GB-Standard-Aen-GB-Standard-Ben-GB-Standard-Cen-GB-Standard-Den-GB-Standard-Fen-GB-Studio-Ben-GB-Studio-Cen-GB-Wavenet-Aen-GB-Wavenet-Ben-GB-Wavenet-Cen-GB-Wavenet-Den-GB-Wavenet-Fen-IN-Neural2-Aen-IN-Neural2-Ben-IN-Neural2-Cen-IN-Neural2-Den-IN-Standard-Aen-IN-Standard-Ben-IN-Standard-Cen-IN-Standard-Den-IN-Wavenet-Aen-IN-Wavenet-Ben-IN-Wavenet-Cen-IN-Wavenet-Den-US-Casual-Ken-US-Journey-Den-US-Journey-Fen-US-Neural2-Aen-US-Neural2-Cen-US-Neural2-Den-US-Neural2-Een-US-Neural2-Fen-US-Neural2-Gen-US-Neural2-Hen-US-Neural2-Ien-US-Neural2-Jen-US-News-Ken-US-News-Len-US-News-Nen-US-Polyglot-1en-US-Standard-Aen-US-Standard-Ben-US-Standard-Cen-US-Standard-Den-US-Standard-Een-US-Standard-Fen-US-Standard-Gen-US-Standard-Hen-US-Standard-Ien-US-Standard-Jen-US-Studio-Oen-US-Studio-Qen-US-Wavenet-Aen-US-Wavenet-Ben-US-Wavenet-Cen-US-Wavenet-Den-US-Wavenet-Een-US-Wavenet-Fen-US-Wavenet-Gen-US-Wavenet-Hen-US-Wavenet-Ien-US-Wavenet-JEricEthanEzinneFreyaGeraintGregoryGuyHollieImaniIvyJacobJamesJames WilsonJaneJasonJennyJenny MultilingualJenny Multilingual V2JoannaJoanneJoeyJSXIJustinKajalKenKendraKevinKimKimberlyLeahLiamLibbyLucas GarciaLukeLunaMaisieMarcus JohnsonMatthewMaya ThompsonMiaMichelleMitchellMollyMonicaNancyNatashaNeerjaNeilNiamhNicoleNoahOliverOliviaPrabhatQuackmasterRaveenaRelikkRogerRosaRussellRuthRyanRyan MultilingualSalliSamSaraSarah ChenSoniaSpongeBob SquarePants (Seasons 3–9A)SteffanStephenT.A.G.ThomasTimTinaTonyWayneWilliamWRLYanZWF (rapping)

Integration Features

API for Developers
GitHub Release
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer

Limitation Features

Cannot Model Conversation Structure
English Language Dominance
Memory Bottleneck in Training
No Pre-trained Language Model Use
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly
Text Character Limit
350

Pricing Features

Free Preview
Free Tier
Open Source
Apache 2.0
Upgrade Option