LemonSlice – Upgrade your voice agents to real-time video
Hey HN, we're the co-founders of LemonSlice (try our HN playground here: https://lemonslice.com/hn). We train interactive avatar video models. Our API lets you upload a photo and immediately jump into a FaceTime-style call with that character. Here's a demo: https://www.loom.com/share/941577113141418e80d2834c83a5a0a9 Chatbots are everywhere and voice AI has taken off, but we believe video avatars will be the most common form factor for conversational AI. Most people would rather watch something than read it. The problem is that generating video in real-time…
LemonSlice – Upgrade your voice agents to real-time video launched on January 27, 2026 with 133 votes, #239 of 14,584 launches that month and more than 95% of that year's launches.
In plain words
LemonSlice provides an API for creating real-time video conversations with AI avatars. Users upload a photo and enter a FaceTime-style call with an interactive character. The platform is designed for developers building conversational AI applications who want to offer video interactions instead of text or voice-only experiences. LemonSlice generates photorealistic avatars that respond in real time during video calls.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN, we're the co-founders of LemonSlice (try our HN playground here: https://lemonslice.com/hn). We train interactive avatar video models. Our API lets you upload a photo and immediately jump into a FaceTime-style call with that character. Here's a demo…
Does a similar job
all alternatives →- LSLemon Slice Live – Have a video call with a transformer model2025 · ▲195
Hey HN, this is Lina, Andrew, and Sidney from Lemon Slice. We’ve trained a custom diffusion transformer (DiT) model that achieves video streaming at 25fps and wrapped it into a demo that allows anyone to turn a photo into a real-time, talking avatar. Here’s an example conversation from co-founder Andrew: https://www.youtube.com/watch?v=CeYp5xQMFZY. Try it for yourself at: https://lemonslice.com/live. (Btw, we used to be called Infinity AI and did a Show HN under that name last year: https://news.ycombinator.com/item?id=41467704.) Unlike existing…
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