Sesame vs UntitledPen

Comparing the features of Sesame to UntitledPen

Feature
Sesame
UntitledPen

Capability Features

AI Writing Commands
rewritepolishimprove flowtone
Audio Download Quality Free Plan
128 kbps, 44.1 kHz
Audio Download Quality Paid Plans
Up to 192 kbps, 44.1 kHz
Audio Exports
Consistent Personality
Context Awareness
Conversational Dynamics
Conversational Speech Generation
Customizable Voice Tone
Dataset Size
1 million hours
Emotional Intelligence
Evaluation Suite
File Upload Support
Mini Demo Available
Model Sizes
Tiny: 1B backbone, 100M decoderSmall: 3B backbone, 250M decoderMedium: 8B backbone, 300M decoder
Multilingual Support
Multiple Speaker Handling
Natural Voice Generation
Notion-like Smart Editor
Objective Metrics
Word Error RateSpeaker SimilarityHomograph DisambiguationPronunciation Consistency
Partial Multilingual Support Planned
Planned for 20+ languages
Pronunciation Correction
Sequence Length
2048
Single-Stage Model
Smart Transcription
Smart Writing Assistant
Speech to Text
Studio Mode
Subjective Metrics
Comparative Mean Opinion Score
Text and Audio Input
TextAudio
Text to Speech
Training Epochs
5
Voice Editor
Voice Types
AlloyAshBalladCoralEchoFableNovaOnyxSageShimmerVerse

Integration Features

GitHub Release
Integrations Information
LLama Architecture Backbone
Mimi Split-RVQ Tokenizer

Limitation Features

Audio Quality Limitation Free
128 kbps max
Audio Quality Limitation Paid
192 kbps max
Cannot Model Conversation Structure
Character Limit
500
English Language Dominance
Free Plan AI Usage Limit
1000
Free Plan Voice Generation Limit
10000
Memory Bottleneck in Training
No Pre-trained Language Model Use
Real-Time Generation Delay
RVQ time-to-first-audio scales poorly

Pricing Features

Creator Plan Monthly Price
$25 per month
Free Plan AI Refine Limit
1000
Free Plan Character Limit
10000
Free Plan Price
$0
Free Preview
Free Tier
No Credit Card Required
Open Source
Apache 2.0
Pro Plan Price
$12 per month (billed annually)
Pro/Creator Plan Character Limit
200000
Trial Period
Not specified