Model Drop | ZIT + LTX 2.3 + Music Video | Arca Gidan contest

The idea came from something I’m pretty sure most of us live every single day: you wake up, check your phone, and another model has dropped. Open source, closed source, whatever source — faster, smarter, more creative, more powerful. And before you’ve even had coffee, you’re already reworking a ComfyUI workflow that was perfectly fine …

AI companions can comfort lonely users but may deepen distress over time

AI companions are always available, never judge, never tire and never demand anything in return. If someone is struggling with loneliness, this frictionlessness can seem profoundly appealing. However, new research shows that in the long term, seeking emotional support from an AI companion can pull users away from important human relationships.

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Powering Multimodal Intelligence for Video Search

Synchronizing the Senses: Powering Multimodal Intelligence for Video Search By: Meenakshi Jindal and Munya Marazanye Today’s filmmakers capture more footage than ever to maximize their creative options, often generating hundreds, if not thousands, of hours of raw material per season or franchise. Extracting the vital moments needed to craft compelling storylines from this sheer volume of …

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Envoy: A future-ready foundation for agentic AI networking

In today’s agentic AI environments, the network has a new set of responsibilities. In a traditional application stack, the network mainly moves requests between services. But as discussed in a recent white paper, Cloud Infrastructure in the Agent-Native Era, in an agentic system the network sits in the middle of model calls, tool invocations, agent-to-agent …

Living brain cells enable machine learning computations

A research team at Tohoku University and Future University Hakodate has demonstrated that living biological neurons can be trained to perform a supervised temporal pattern learning task previously carried out by artificial systems. By integrating cultured neuronal networks into a machine learning framework, the team showed that these biological systems can generate complex time-series signals, …

LTX Desktop 1.0.3 is live! Now runs on 16 GB VRAM machines

The biggest change: we integrated model layer streaming across all local inference pipelines, cutting peak VRAM usage enough to run on 16 GB VRAM machines. This has been one of the most requested changes since launch, and it’s live now. What else is in 1.0.3: Video Editor performance: Smooth playback and responsiveness even in heavy …

Personalized Group Relative Policy Optimization for Heterogenous Preference Alignment

Despite their sophisticated general-purpose capabilities, Large Language Models (LLMs) often fail to align with diverse individual preferences because standard post-training methods, like Reinforcement Learning with Human Feedback (RLHF), optimize for a single, global objective. While Group Relative Policy Optimization (GRPO) is a widely adopted on-policy reinforcement learning framework, its group-based normalization implicitly assumes that all …