just learned that under certain conditions you actually CAN recover model weights *exactly*, post-LORA pretty crazy
GENERATIVE AI
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New Vulnerability Enables Pre-Fine-Tuning Weight Recovery Attack
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— dr. jack morris (@jxmnop) 15 août 2025
We uncover a new vulnerability- Pre-Fine-Tuning Weight Recovery
With a few LoRA fine-tuned models we recover the pre-fine-tuning weightsof SoTA models, undoing Stable Diffusion personalization training and Mistral alignment
Project: http://
vision.huji.ac.il/spectral_detun
ing
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AI Transforms 2D Images into Editable 3D Sculptures
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4/ Turned an image into a 3D figure, then re-sculpted objects
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AI Converts Flat 2D Images Into Dynamic 3D Models
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2/ Turned a flat 2D image into a 3D figure — every new angle is pure AI.
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AI Instantly Colorizes Sketch Artwork in Seconds
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3/ Took a plain sketch and fully colored it in seconds — all AI.
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Google’s Nano Banana AI Model Disrupts Professional Image Editing
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It’s over. Google’s new image model Nano Banana just killed Photoshop. Say what you want, it edits anything just by describing it — no tools, no layers, no hassle. 10 insane examples you won’t believe: 1/ Asked Nano-Banana for a straight-on portrait — it nailed it instantly.
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Working on Qwen: Extraction technique and model development
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that's a good point; probably should have said 'we extracted one' not 'it'? working on qwen tonight
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Clarifying Base Model Distribution Recovery in AI Experiments
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some people are getting confused about the experiment – we didn't recover the base model's *weights*. that might not even be possible. we recovered the base model's *distribution*, with some error. an important question is how much. trying to figure that out right now…
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AI Overhaul for Peloton and Major Tech Updates Today
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Top stories in tech today: – Peloton gets an AI overhaul
– Apple revives blood oxygen tracking
– HTC debuts Meta-like smart glasses
– Amazon launches fresh same-day delivery
– Quick hits on other major tech news Read more: https://
tech.therundown.ai/p/peloton-stag
es-ai-comeback
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OpenAI releases gpt-oss models on Databricks platform
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Last week, we announced @OpenAI
’s new gpt-oss-20B and gpt-oss-120B models are now live on Databricks! They bring chain-of-thought reasoning and tool use, best-in-class latency and cost efficiency through Mixture-of-Experts, plus a 131k context window for long docs and RAG.