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Luma AI launches Ray3 Modify, which allows users to modify existing footage by providing character reference images; users can also define start and end frames (Ivan Mehta/TechCrunch)
https://techcrunch.com/2025/12/18/luma

Luma releases a new AI model that lets users generate a video from a start and end frame | TechCrunch
Luma AI's new model is available through the company's Dream Machine platform.

AI video startup Luma AI raised a $900M Series C led by Humain, sources say at a ~$4B valuation (Vaibhavi Khanwalkar/The Economic Times)
https://economictimes.indiatimes.com/tech/funding/vide…

Video generation platform Luma AI raises $900 million, valued at $4 billion
The firm’s Indian-American CEO Amit Jain, an IITian who was formerly with Apple, told ET that the domain the company operated in is capital-intensive and requires sizable investments to scale. Sources close to the company pegged its valuation at around $4 billion.

Quiet Friday nights are for updating our calendar. Event listings have been added into December. Subscribe at https://luma.com/techpizzamondays

AI video startup Luma AI raised a $900M Series C led by Humain, sources say at a ~$4B valuation, and partners with Humain on a 2GW AI cluster in Saudi Arabia (Vaibhavi Khanwalkar/The Economic Times)
https://economictimes.i…

Video generation platform Luma AI raises $900 million, valued at $4 billion
The firm’s Indian-American CEO Amit Jain, an IITian who was formerly with Apple, told ET that the domain the company operated in is capital-intensive and requires sizable investments to scale. Sources close to the company pegged its valuation at around $4 billion.

We’re still meeting tonight, like we usually do. Visit the Luma link for details! https://luma.com/l4fe2xvh

For the #privacy aware people in or around #Prague . The first #Privacy Coffee/Beer/Juice meeting in scheduled.

PRivacy Coffee PRague #1 · Luma
A meeting for (digital) privacy aware people who would love to discover some common topics, exchange ideas and approaches and maybe have some drinks…

We’re still meeting tonight, like we usually do. Visit the Luma link for details! https://luma.com/l4fe2xvh

Will we see you tomorrow at Tech Pizza Monday? VICTORY CAFE whoops, that was too loud, Victory Cafe, 440 Bloor St. W., 6 PM. With any luck, we will have some printouts of the paper we will discuss at on tje following Monday. Come for the pizza, also, stay for the pizza, not to mention the discussions about free and open technology for a free and open society. #Toronto

LUMA: Low-Dimension Unified Motion Alignment with Dual-Path Anchoring for Text-to-Motion Diffusion Model
Haozhe Jia, Wenshuo Chen, Yuqi Lin, Yang Yang, Lei Wang, Mang Ning, Bowen Tian, Songning Lai, Nanqian Jia, Yifan Chen, Yutao Yue
https://arxiv.org/abs/2509.25304

LUMA: Low-Dimension Unified Motion Alignment with Dual-Path Anchoring for Text-to-Motion Diffusion Model
While current diffusion-based models, typically built on U-Net architectures, have shown promising results on the text-to-motion generation task, they still suffer from semantic misalignment and kinematic artifacts. Through analysis, we identify severe gradient attenuation in the deep layers of the network as a key bottleneck, leading to insufficient learning of high-level features. To address this issue, we propose \textbf{LUMA} (\textit{\textbf{L}ow-dimension \textbf{U}nified \textbf{M}otion …

Luma AI opens its first international office in London and appoints former WPP and Monks executive Jason Day to lead its global expansion outside the US (Georg Szalai/The Hollywood Reporter)
https://www.hollywoodreporter.com/business

Luma AI Opens London Office, Led by Former WPP Executive Jason Day
Putting multimodal artificial generative intelligence (AGI) into "the hands of creative professionals around the world – be they marketers, gamers, or film studios – will transform the entire creative process."

The @… team is hosting an event in London again. Meet at the ARIA offices and hear about building new tools for science.
Ink & Switch is hosting another Social in London on Nov. 11th at the Alan Turing Institute. I'll share some early scientific work in Patchwork, & Marcel will give a peek at the Playbook…

Ink & Switch London: Building new tools for Science · Luma
Ink & Switch's mission is to help computers become better tools for thought. We believe that the promise of computers as "intelligence amplifiers" or "bicycles…

Tech Pizza Monday is on, as usual, tomorrow starting at 6 PM, at the usual place, Victory Cafe at 440 Bloor St. W. #techmeetup https://luma.com/h9neb30z

Tonight: https://luma.com/rkwlcbxm

The World Series ends either tonight or tomorrow night, but one thing is for certain: We will host Stickers Club on the Monday after it! Same day, same time, same place as usual! Monday, 6 PM, Victory Cafe at 440 Bloor St. W. here in Toronto. Visit the Luma link for details! https://luma.com/rkwlcbxm

Stickers Club is tomorrow! https://luma.com/rkwlcbxm

Tomorrow is our Papers Club edition, and there’s still time to read the paper (which is a minor history of Twitter bots). The PDF is linked in the Luma link! Same place and time as usual. https://luma.com/knolfj6v

The Stickers Club Edition of Tech Pizza Monday is tomorrow! Bring your stickers, pins and patches to Victory Cafe at 440 Bloor St. W., Monday at 6 PM. https://luma.com/vswe6lx8

We’re looking forward to seeing you tonight at our Stickers Club edition! Victory Cafe, 440 Bloor St. W. 6 PM. Pins and patches are also interesting! #Toronto #StickersClub h…

Stickers! Pins! Patches! All this plus pizza (and Monday, and tech!) can be found at Tech Pizza Monday: Stickers Club Edition. Monday, October 6th, 6 PM at Victory Cafe, 440 Bloor St. W. #Toronto #tech #pizza