What does this tool do?
Sesame is the company behind viral AI voice companions, built on its Conversational Speech Model designed for natural, emotionally expressive, low-latency conversation. It open-sourced its base model, making it a favorite for researchers and self-hosters wanting human-like conversational speech.
Key features
- Hand-picked tools
- Categorized directory
- Direct links
- Regularly updated
Sesame is the company behind viral AI voice companions, built on its Conversational Speech Model designed for natural, emotionally expressive, low-latency conversation. It open-sourced its base model, making it a favorite for researchers and self-hosters wanting human-like conversational speech.
Key Features
- Open-source conversational speech model
- Context-aware expressive generation with natural intonation
- Voice cloning from reference audio
- Natural voice companion demos
- Research toward always-on voice interaction
Pricing
Open-source model — free to self-host (needs a GPU). Hosted product pricing not verified; check the official site.
Pros and Cons
Pros:
- Remarkably human conversational quality
- Open weights for research and self-hosting
- Lightweight model runs on mid-range GPUs
Cons:
- English-focused
- Setup is technical
- Commercial and hosted terms unclear
How to Use Sesame CSM
- Click the button below to open the official website.
- Create an account and choose a plan — many tools include free trial credits.
- Type or paste your script (for text-to-speech), or record/upload audio (for voice cloning or music).
- Pick a voice, language, or music style from the library.
- Generate, listen to the preview, and fine-tune the settings.
- Download the finished audio file.
How to Use Sesame CSM
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