Last Week in Multimodal AI - Local Edition

I curate a weekly multimodal AI roundup, here are the local/open-source highlights from the last week:

Holotron-12B — Open Computer-Use Agent Model(Huggingface)

• Multimodal computer-use policy model optimized for throughput and long multi-image contexts.
• Open alternative for the computer-use agent ecosystem beyond closed APIs.
• Blog

NVIDIA Nemotron Omni + Isaac GR00T N1.7

• Open Nemotron 3 omni models integrating language + vision + voice in one stack.
• GR00T N1.7 vision-language-action model for robotics.
• Announcement | Github

GlyphPrinter — Accurate Text Rendering for Image Gen

https://preview.redd.it/0302hw6ch4rg1.png?width=1456&format=png&auto=webp&s=db3efe2d84a1e194b2c8461806b830a4fa155fe8

• Fixes localized spelling errors in AI image generators using Region-Grouped Direct Preference Optimization.
• Balances artistic styling with accurate text rendering. Open weights.
• GitHub | Hugging Face

SparkVSR (project) — Google’s video super-resolution model for enhancing video quality and clarity

https://reddit.com/link/1s31c8t/video/1hi48frah4rg1/player

SegviGen — 3D Object Segmentation via Colorization

https://reddit.com/link/1s31c8t/video/iiu1xazqg4rg1/player

• Repurposes 3D image generators for precise object segmentation by framing it as a colorization task.
• Uses less than 1% of the training data older methods required. Open code + demo.
• GitHub | HF Demo

OpenMAIC — Multi-Agent Interactive Classroom

https://reddit.com/link/1s31c8t/video/phc9jsisg4rg1/player

• Turns any topic or document into an interactive classroom with AI teachers and classmates.
• Multi-agent orchestration generates slides, quizzes, simulations, and discussions.
• GitHub

SkillNet — Open Infrastructure for AI Agent Skills

• Infrastructure to create, evaluate, and organize AI skills at scale.
• Enables agents to transition from transient experience to durable mastery.
• Paper | GitHub

Checkout the full roundup for more demos, papers, and resources.