Local Ai

microsoft/UserRepGen-4B

https://preview.redd.it/gwb4of5vmivh1.png?width=2400&format=png&auto=webp&s=853f4cf25b4140ccf8b151b4124547788a544b33 UserRepGen-4B is a fine-tuned Qwen3.5-4B language model that generates a structured

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local-air-localllama

https://preview.redd.it/gwb4of5vmivh1.png?width=2400&format=png&auto=webp&s=853f4cf25b4140ccf8b151b4124547788a544b33 UserRepGen-4B is a fine-tuned Qwen3.5-4B language model that generates a structured, natural-language user representation from a multi-turn user-assistant conversation. Each representation contains a task description and a behavior description for a user, and is intended to condition a separate LLM-based user simulator. Unlike UserLM-8b and UserLM-2.0, which generate user utterances, UserRepGen-4B generates representations, not simulated user turns. It does not itself execute the user's task or serve as the simulator. The model was trained with online supervised fine-tuning through hindsight distillation, using feedback obtained by comparing simulated and original user behavior. At inference time, it generates a representation directly from the source conversation without requiring simulation rollouts or hindsight feedback. https://huggingface.co/microsoft/UserRepGen-4B submitted by /u/jacek2023 [link] [comments]

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Source: r/LocalLLaMA | 2026-10-14

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