Sesame vs NatterGPT

Comparing the features of Sesame to NatterGPT

Feature
Sesame
NatterGPT

Capability Features

Call Recordings
Call Summary and Lead Report
Community Support
Consistent Personality
Contact List Import
Context Awareness
Conversational Dynamics
Conversational Speech Generation
Custom AI Voice Design
Custom Phone Numbers
Data Security
Dataset Size
1 million hours
Email Support (Business)
1 business day turnaround
Email Support (Pro)
3 business day turnaround
Emotional Intelligence
Evaluation Suite
Free Job Prompt Templates
Inbound and Outbound Calls
Industry Use Cases
Crisis managementCustomer serviceReal estate lead calling
IVR Navigation
Job Prompt Templates
Language Support
Unspecified
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
Phone Support for Emergencies
Preset Call Scripts
Pronunciation Correction
Sales/Customer Support Calls
Scale to 1000+ Calls/Hour
Sequence Length
2048
Single-Stage Model
Subjective Metrics
Comparative Mean Opinion Score
Supported Actions
Outbound callsInbound callsCall recordingIVR navigationCall transferReporting
Text and Audio Input
TextAudio
Training Epochs
5
Transfer to Human

Integration Features

GitHub Release
Integration Details Unspecified
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer

Limitation Features

Cannot Model Conversation Structure
English Language Dominance
Memory Bottleneck in Training
No Free Tier
No Pre-trained Language Model Use
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly
Trial Call Limit
5

Pricing Features

$3 Trial
$3 for 2 days
Business Plan Call Minutes
6000
Business Plan Minute Overage
$0.35/min
Business Plan Price (Monthly)
$2,000/month
Enterprise Plan
Free Preview
Hobby Plan Call Minutes
120
Hobby Plan Minute Overage
$0.6/min
Hobby Plan Price
$49/month
No Free Trial
Open Source
Apache 2.0
Pro Plan Call Minutes
600
Pro Plan Minute Overage
$0.5/min
Pro Plan Price (Monthly)
$200/month