Nir Zabari @nirzabari
AI Researcher | Co-author of LTXV | Generative AI | Blind Coding GTA 6 release date: November 19, 2026 nirzabari.github.io Tel Aviv, Israel Joined February 2014-
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Nir Zabari retweeted
1/7 New paper 🧵 ScenA generates a multi-speaker audio scene: overlapping speech, laughter, real room noise, from a text description and a few reference voices. When trained in the obvious way, it ignores the text and decides who speaks on its own. We found out why and fixed it.
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Everything is possible with enough token budget
Nir Zabari retweeted
Most AI video tools stop at prompting, but LTX goes a layer deeper. Introducing the new LTX Trainer. Train LoRAs and IC-LoRAs across video, audio, cross-modal, and reference-conditioned workflows from a single framework. Plus: • New agentic skill • Flexible conditioning • Free IC-LoRAs • Fully open source Most models are generic. The best ones become yours. GitHub: github.com/Lightricks/LTX… Documentation: docs.ltx.video/open-source-mo… HuggingFace: huggingface.co/collections/Li…
Nir Zabari retweeted
New open-source LoRA built in-house: LTX2.3 Audio Reactive LoRA. Built for music-driven video generation: stronger beat sync, graphic texture, color separation, light pulses, particles, and shapes that move with the track. Model: huggingface.co/fal/ltx2.3-aud…
@ostrisai Cool. It's like a visual "refusal"
@0xMovez Tokens usage will go to the clouds with loops all day long lol
Nir Zabari retweeted
New datasets keep coming, New models keep coming. Frustrating! How can we evaluate everything on everything? How do we keep scores comparable over time? We propose a way to grow benchmark suites without losing comparability. Details:👇🧵
Better data alone didn’t cause this breakthrough for sure
What makes ChatGPT Images 2.0 a state-of-the-art image generation model? Researchers behind the model explain. A thread: Thinking & Intelligence in ChatGPT Images 2.0, demonstrated by @ayaanzhaque
@rasbt GREAT writeup! Learnt something new. I wrote a similar one too: nirzabari.github.io/blog/2026-03-0…
LTX ❤️ Open source.
I trained this @ltx_model LTX 2.3 LoRA of George Costanza at home on my 5090 in about a day with AI Toolkit. I generated this 30 second video with @ComfyUI on my 5090 in 6 minutes. Open source is, always has been, and always will be, the future of generative AI. (SOUND ON)
Nir Zabari retweeted
I trained this @ltx_model LTX 2.3 LoRA of George Costanza at home on my 5090 in about a day with AI Toolkit. I generated this 30 second video with @ComfyUI on my 5090 in 6 minutes. Open source is, always has been, and always will be, the future of generative AI. (SOUND ON)
@HubermanSaar @DanahYatim Cool work GG!
Cursor routing every model = the most diverse coding conversation data in the world. They might end up training a better coding model than the labs themselves.
Nir Zabari retweeted
@giffmana @CSProfKGD For sure mainly better data, focus on human etc
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