Sesame vs Speech Dream

Comparing the features of Sesame to Speech Dream

Feature
Sesame
Speech Dream

Capability Features

Audio File Download
Browser File Storage
Consistent Personality
Context Awareness
Conversational Dynamics
Conversational Speech Generation
Dataset Size
1 million hours
Emotional Intelligence
Evaluation Suite
Model Sizes
Tiny: 1B backbone, 100M decoderSmall: 3B backbone, 250M decoderMedium: 8B backbone, 300M decoder
Multiple Speaker Handling
No Account Required
No Data Tracking
No Usage Tracking
Objective Metrics
Word Error RateSpeaker SimilarityHomograph DisambiguationPronunciation Consistency
Partial Multilingual Support Planned
Planned for 20+ languages
Pronunciation Correction
Sequence Length
2048
Session-based API Key Storage
Session only
Single-Stage Model
Subjective Metrics
Comparative Mean Opinion Score
Text and Audio Input
TextAudio
Text to Speech
Training Epochs
5
Use Own API Key
Voice Language Support
EnglishGermanSpanishFrench
Web Interface

Integration Features

GitHub Release
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer
OpenAI TTS Integration

Limitation Features

Cannot Model Conversation Structure
English Language Dominance
Memory Bottleneck in Training
No Built-in API Key
No Cloud Storage
No Pre-trained Language Model Use
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly

Pricing Features

Free Preview
Free Usage with API Key
Open Source
Apache 2.0