Sesame is an interdisciplinary product and research team focused on making voice companions useful for daily life. Maya and Miles, (voice assistants) that mimic human emotions and conversational flow with remarkable authenticity. Unlike traditional text-to-speech systems.
Founded by a team that includes Oculus co-founder Brendan Iribe, and backed by leading VCs like a16z and Matrix Partners. Its breakthrough voice model, CSM-1B, is open-source and optimized for real-time applications ranging from personal assistants to language learning tools.
This comes with a call feature , where we can talk with Maya or Miles in real time . When you tap the “call” button, they don’t just respond to your words, but they pick up on your tone, pace, and mood. Maya brings warmth and wit, ideal for casual, empathetic chats, while Miles is more structured and calm, perfect for breaking down complex topics. Their responses are generated on the fly using a deep model that predicts how to say it, complete with pauses, breaths, and emphasis, making the conversation feel genuinely human.
They’re also developing lightweight AI-enabled glasses designed for all-day wear.They look like regular spectacles but include high-quality audio hardware and microphones. The idea? You wear them daily, and your AI companion listens and speaks alongside you, like a voice whispering you the context-related responses as you go about your day.
Problem | Sesame AI Feature |
Flat, robotic voice | Emotional intelligence + natural inflection. |
API integration pain | SDK + lightweight calls |
Lack of realism over time | Context awareness & memory |
Regulatory barriers | Open source, Apache 2.0 license |
Pros & Cons with Scoring (Out of 10)
📊 Data Visualizations for Context
1. Feature Capabilities vs Competitors
(Radar chart of Emotional IQ, Context Recall, Real-Time, Customization)
- Shows Sesame leading in emotional IQ & source open.
2. User Sentiment Distribution (Pie Chart)
- 50% “amazing realism”, 30% “gradual inconsistencies”, 20% “creeped out”.
After spending a week experimenting with Sesame AI, I can confidently say this isn’t just another voice assistant API. The first time I heard Maya respond with subtle pauses, it felt less like an AI interaction and more like a conversation with an actual person. What impressed me most wasn’t just the sound quality, but how naturally the voice adapted to context, whether I was feeding it structured prompts or free-form conversations.
That said, it's not perfect. There were a few moments where the AI felt overly eager or slightly inconsistent in tone after longer conversations. But given that Sesame has open-sourced its model and continues to improve it rapidly, I’m genuinely excited to see where this goes.
English With Ty demoed Maya for conversational English, showing real‑time feedback and pronunciation correction, ideal for language learners.
FAQ
Q: Can developers use non‑commercially?
A: Yes—Apache license allows free use, commercial or otherwise.
Q: Is it supported outside English?
A: Minor multilingual capability now; full rollout expected soon .
Q: Where to try it?
A: Official demo on sesame.com, Maya dialogue and API examples.
Q: What about privacy/legal?
A: U.S.‑only beta; full Terms limit liability & require arbitration.
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