Chirp AI vs Sesame

Comparing the features of Chirp AI to Sesame

Feature
Chirp AI
Sesame

Capability Features

ChatGPT Voice Mode Similarity
Consistent Personality
Context Awareness
Conversational Dynamics
Conversational Speech Generation
Dataset Size
1 million hours
Distraction-Free Interface
Emotional Intelligence
Evaluation Suite
Message Drafting
Model Sizes
Tiny: 1B backbone, 100M decoderSmall: 3B backbone, 250M decoderMedium: 8B backbone, 300M decoder
Multiple Speaker Handling
Natural-Sounding Voices
5
No Phone Required
Objective Metrics
Word Error RateSpeaker SimilarityHomograph DisambiguationPronunciation Consistency
Open Maps or Browser
Partial Multilingual Support Planned
Planned for 20+ languages
Professional Email Drafting
Pronunciation Correction
Real-Time Answers
Sequence Length
2048
Single-Stage Model
Smart Web Search
Sources Provided for Answers
Subjective Metrics
Comparative Mean Opinion Score
Text and Audio Input
TextAudio
Training Epochs
5
Voice-to-Text

Integration Features

Apple Watch Support
GitHub Release
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer

Limitation Features

Cannot Model Conversation Structure
English Language Dominance
Memory Bottleneck in Training
No Mention of Android Support
No Pre-trained Language Model Use
Platform Limitation
Apple Watch only
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly

Pricing Features

Free Download
Free Preview
Open Source
Apache 2.0