Segment Anything 3
No written verdict yet. Here is what commenters said.
13recommend
1warn against
Nov 19, 2025first mention
Aug 9, 2026latest mention
Why people recommend it
“When I swapped SAM 2 for SAM 3 the whole system improved”
switched from SAM 2
“It's already pretty much possible with open-vocabulary detectors like SAM3”
Show 3 more
“IMO that's far more valuable to the ecosystem than more AIaaS”
“You can try it out in the playground”
“Segment Anything? Yepp we use it.”
runs a companyon “Technical Deflation”
Caveats and dissent
“Meta's models are not open source because their weights always come with weird restrictions.”
Often compared with
Who recommends it in their own words
From the makers not counted in the ranking
Threads where it came up
- Meta Segment Anything Model 3 11 mentions
- Meta Segment Anything Model 3 2 mentions
- Segment Anything 3 2 mentions
- Ask HN: What are you working on? (August 2026) 1 mention
- Meta's AI Models Are Powering the First Wave of Genesis Mission Projects 1 mention
- item 48906574 1 mention
Also written as SAM3, Segment Anything, Segment Anything 3, Segment Anything Model 3. Data: segment-anything-3.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 25
“SAM-assisted selection”
“Meta's models are not open source because their weights always come with weird restrictions.”
“When I swapped SAM 2 for SAM 3 the whole system improved”
“It's already pretty much possible with open-vocabulary detectors like SAM3”
I’m working on https://poser.pro, a ski technique feedback tool for skiers that want to improve their skills. How? The user (skier!) uploads a short ski clip to Poser, lets Poser analyze, and then gets their results. For now, you get video outputs: head-tracking and skeleton overlay. I’ve built a a lot of extra stuff (animated 3D body, turn-detection, balance-, steering-, pressure-, and edging-metrics, etc.), I’m jus
“it uses SAM3 to mask that region”
“IMO that's far more valuable to the ecosystem than more AIaaS”
“You can try it out in the playground”
“I have been looking for the same thing, either from Meta's SAM 3[1] model”
“Segment Anything? Yepp we use it.”
“you can download them at https://github.com/facebookresearch/sam3.”
“Sam 3 is incredible.”
“the new text prompt input seams nice”
“The native support for streaming in SAM3 is awesome.”
“I'm not sure if the work they did with DINOv3 went into SAM3”
“Even works with long range shots.”
“SAM3 is probably a great model to distill from”
“you can download it at https://github.com/facebookresearch/sam3”
“SAM3 seems to less precisely trace the images”
“I'm bullish SAM 3 can automate at least 90% of the work”
“SAM 3 - Open vocab concept segmentation on images and video”
“It's really, really good.”
“SAM3 is cool”
“SAM3 is cool”
“I've personally been waiting for SAM 3”