Sesame vs Echo

Comparing the features of Sesame to Echo

Feature
Sesame
Echo

Capability Features

AI Transcription
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
Objective Metrics
Word Error RateSpeaker SimilarityHomograph DisambiguationPronunciation Consistency
Partial Multilingual Support Planned
Planned for 20+ languages
Pronunciation Correction
Save & Organize Recordings
Sequence Length
2048
Single-Stage Model
Speech to Text
Subjective Metrics
Comparative Mean Opinion Score
Text and Audio Input
TextAudio
Training Epochs
5
Voice Commenting
Works on Multiple Platforms
Google SuiteNotionMiroJira

Integration Features

Chrome Extension
GitHub Release
Google Suite Integration
Jira Integration
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer
Miro Integration
Notion Integration

Limitation Features

Cannot Model Conversation Structure
English Language Dominance
Extension Required
Memory Bottleneck in Training
No Pre-trained Language Model Use
Primary Integration Google Suite
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly

Pricing Features

Free Preview
Free Trial/Demo
Open Source
Apache 2.0