LemonSlice
Hacker ApprovedReal-time avatar service in AI tools
People praise its fast, high-quality real-time talking avatars and free playground; critics mainly worry about misuse for deception.
People praise its fast, high-quality real-time talking avatars and free playground; critics mainly worry about misuse for deception.
36 people gave an opinion
- recommend it
- 27
- criticize it
- 9
- approval share
- 75%
Recommended in 4 of 13 months
- November 2025: not recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 27 people recommend itNeeds 10 or more, met.
- 3 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 4 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Fast, responsive real-time video conversation
“Definitely one of the best quality conversational agents I've tried syncing A/V and response times.”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “haven't seen real-time video generation that is this impressive yet”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “by far the best agent experience i've played with!”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” - Comment from 29 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face”
Impressive engineering and technology
“this year it's actually good. we got lucky: it's both new tech and turned out to be good quality.”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “I'm impressed with the engineering, it is a technological achievement”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “the most impressive thing I’ve seen on hacker news in years”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” - Comment from 1 Feb 2026 in “Show HN: LemonSlice – Give your voice agents a face”
- Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face”
Works as avatar layer on any voice
“you can add LemonSlice as an avatar layer on top of any voice provider”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “it is fully available to use in your websites or applications”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “this is like Tavus but it doesnt suck”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” Useful for many interactive applications
“There are tons of useful applications of interactive avatars”
Comment from 30 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “I have so many websites that would do well with this!”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face”
What people warn about
Each mark is one comment
Deception and misuse concerns
“from an end user interacting with this perspective, I want nothing to do with it, and I can’t support it”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “The primary purpose of generating real-time video of realistic-looking talking people is deception.”
Comment from 29 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “photorealistic avatars are gonna be abused to hell and back and everyone knows it”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” Agent lacks context and patience
“one thing that it lacks is that it's "not patient"”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “but the agent has no context”
Comment from 28 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” Doesn't work on iOS or dark mode
“does not work in dark mode”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face” “Not working on mobile iOS”
Comment from 27 Jan 2026 in “Show HN: LemonSlice – Give your voice agents a face”
What people said
40 of the 46 comments that mention it, newest first. Each links to the original comment.
“LemonSlice is really cool.”
“Have just tried it. Impressive.”
“There are tons of useful applications of interactive avatars”
“The primary purpose of generating real-time video of realistic-looking talking people is deception.”
“No lag, very snappy. Outstanding work.”
“asked the avatar about it's appearance and stated it had none”
“Just a one sentence prompt and its phrasing was at least 60% there”
“by far the best agent experience i've played with!”
“but the agent has no context”
“it is fully available to use in your websites or applications”
“one thing that it lacks is that it's "not patient"”
“This is the most exciting revenue opportunity I've seen during this recent AI hype cycle.”
“I'm impressed with the engineering, it is a technological achievement”
“photorealistic avatars are gonna be abused to hell and back and everyone knows it”
“Absolutely amazing stuff to me.”
“it's actually a full video world model. We'll expose more of those capabilities soon”
“So cool! I love how he sometimes looks down and over his glasses”
“it didn't convince me it was really hearing how I was pronouncing words”
“from an end user interacting with this perspective, I want nothing to do with it, and I can’t support it”
“Having a real-time video conversation with an AI is a trippy feeling.”
“Very freaking impressive!”
“Your demo video defaults to play at 1.5x speed”
“this is like Tavus but it doesnt suck”
“you are not in fact, releasing an open weights model that people can run themselves?”
“haven't seen real-time video generation that is this impressive yet”
“crazy good work train your own diffusion models”
“The HN playground let's anyone try out for free without login”
“Definitely one of the best quality conversational agents I've tried syncing A/V and response times.”
“Not working on mobile iOS”
“this year it's actually good. we got lucky: it's both new tech and turned out to be good quality.”
“why the quality is so poor”
“I can’t get enough of this site!”
“I have so many websites that would do well with this!”
“Wow this team is non-stop!!! Wild that this small crew is dropping hit after hit.”
“the most impressive thing I’ve seen on hacker news in years”
“does not work in dark mode”
“you can add LemonSlice as an avatar layer on top of any voice provider”
“Our text control is good, especially for emotions.”
“This looks super awesome!”
“I started to play around with LemonSlice and I loved it!!”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.