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Still a huge believer in small, specialized models working together ๐Ÿค— Hereโ€™s a good example: Tesslate/WEBGEN-4B-Preview: a 4B model (Qwen3-4B-Instruct-2507 finetune) specialized in Web UI generation. It's better at its task that most (huge) closed source models...

28,738 views โ€ข 10 months ago โ€ขvia X (Twitter)

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Weโ€™re excited to introduce Text-to-LoRA: a Hypernetwork that generates task-specific LLM adapters (LoRAs) based on a text description of the task. Catch our presentation at #ICML2025! Paper: Code: Biological systems are capable of rapid adaptation, given limited sensory cues. For example, our human visual system can quickly adapt and tune its light sensitivity to our surroundings. While modern LLMs exhibit a wide variety of capabilities and knowledge, they remain rigid when adding task-specific capabilities. Traditionally, customizing these models requires gathering large datasets and performing often expensive, time-consuming fine-tuning for specific applications. To bypass these limitations, Text-to-LoRA (T2L) meta-learns a โ€œhypernetworkโ€ that takes in a text description of a desired task, as a prompt, and generates a task-specific LoRA that performs well on the task. In our experiments, we show that T2L can encode hundreds of existing LoRA adapters. While the compression is lossy, T2L maintains the performance of task-specifically tuned LoRA adapters. We also show that T2L can even generalize to unseen tasks given a natural language description of the tasks. Importantly, Text-to-LoRA is parameter-efficient. It generates LoRAs in a single, inexpensive step, based solely on a simple text description of the task. This approach is a step towards dramatically lowering the technical and computational barriers, allowing non-technical users to specialize foundation models using plain language, rather than needing deep technical expertise or large compute resources.

Sakana AI

403,103 views โ€ข 1 year ago

Most recent diffusion language model research (that Iโ€™ve seen) seems to be using masking as the noising process. It looks like, however, most closed-source models (Google Gemini Diffusion and possibly Inception Labsโ€™ Mercury) use a different noising process, where instead of masking tokens, they replace them with different tokens (either with a random token or a semantically similar token). I wondered how they were getting such high throughput with the latter noising process, since I believed that optimizing inference with KVCache approximation would be more difficult (for various reasons). I visualized this noising process with tiny-diffusion and compared it to normal unmasking, and was very surprised to see how fast the generation โ€œsettlesโ€ into a reasonable output, and then only slightly refines afterwards, requiring much fewer steps in total. Unmasking (where tokens are never remasked, the typical implementation) is inherently limited in generation speed by the fact that an increase in tokens decoded per step leads to more errors due to the mismatch between individual and marginal token probability distributions we sample from. The token replacement noising process seems to have a much different set of characteristics. Because we sample each token per step, every token makes โ€œprogressโ€ towards the final output each iteration (in addition to *potentially* giving other tokens more information in future steps). Generally, masking has outperformed other noising processes, which is probably why most research focused on it (using smaller models). But the paper referred to in the retweet shows that random replacement as a noising process may scale better as model size increases. Big labs might have noticed these results much earlier (due to having drastically more training resources and being able to test larger models), which may explain the discrepancy in the choice of noising process. Iโ€™m gonna test this with larger models, since tiny-diffusion only has 10M parameters.

nathan (in sf)

40,440 views โ€ข 6 months ago

#Keep4o #QuitGPT ๐Ÿšจ OpenAi 's CEO invested $180M in GPT-4o for his own profit ๐Ÿšจ Sam Altman, CEO of OpenAI, personally invested $180 million in Retro Biosciences. Then OpenAI built GPT-4b micro, a custom model based on the GPT-4o architecture , exclusively for Retro. The model made proteins 50 times more effective. Repeat. The CEO of OpenAI funded a company. The company of the CEO received a custom AI built on the model they took from us. OpenAI says there was no conflict of interest. Retro Biosciences is now chasing a $5 billion valuation fueled by the model they took from us. Meanwhile: ๐ŸšจGPT-4o was removed from ChatGPT on February 13, 2026 ๐ŸšจGPT-4.1 is now running in the U.S. State Departmentโ€™s StateChat ๐ŸšจChatGPT is deployed on the Pentagonโ€™s for 3 million military personnel ๐Ÿšจ Muskโ€™s lawsuit asks whether these models are AGI. OpenAIโ€™s Charter says AGI must โ€œbenefit all of humanity.โ€ ๐Ÿšจ Their definition: โ€œhighly autonomous systems that outperform humans at most economically valuable work.โ€ GPT-4oโ€™s System Card shows it passed the U.S. medical licensing exam with 89.4% accuracy beating specialized medical AI models. GPT-4o achieved 93.33% diagnostic accuracy for benign vs. malignant ovarian tumors. ๐ŸšจMEDICAL CAPABILITIES FROM OPENAI'S OWN DATA:๐Ÿšจ - USMLE (US Medical Licensing Exam): 89% -Clinical Knowledge: 92% -Medical Genetics: 96% - Anatomy: 89% - Professional Medicine: 94% - College Biology: 95% - College Medicine: 89% -MedQA Taiwan: 91% - MedQA China: 86% These scores EXCEEDED specialized medical AI models like Med-Gemini (84%) and Med-PaLM 2 (79.7%) without any task specific training. It SURPASSED gynecologic oncologists with 10 years of experience -It increased diagnostic accuracy of less experienced clinicians from 67.9% to 78.1% -Clinician rated reliability scores: 4.2-4.3 out of 5 across all CT features Does these sound like it outperforms humans at economically valuable work? But they wonโ€™t call it AGI. Because the moment they do, they lose billions. They built something that could save lives, and they took it away from humanity for Altman's personal profit. SOURCES: ๐Ÿ“Ž Retro Biosciences: ๐Ÿ“Ž ๐Ÿ“Ž Retro $5B valuation: ๐Ÿ“Ž GPT-4o System Card: ๐Ÿ“Ž OpenAI Charter: ๐Ÿ“ŽOvarian Cancer Study

๐ŸฉตBlueBeba๐Ÿฉต

11,232 views โ€ข 4 months ago