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User creates 'Nikusui-v1' model by tweaking Qwen3.5-9B J-Space

By PulseAugur Editorial · [1 sources] ·

A user on Reddit has created a new model called "Nikusui-v1" by modifying the J-Space of the Qwen3.5-9B model. This modification, inspired by Anthropic's Jacobian-Lens tool, allows for the alteration of a model's behavior. The creator claims this is the first model of its kind and has released it for scientific purposes, along with GGUF quantizations. AI

IMPACT Demonstrates novel methods for model behavior modification and customization.

RANK_REASON User-created model release based on existing tools, not a frontier lab release.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

User creates 'Nikusui-v1' model by tweaking Qwen3.5-9B J-Space

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-created model release based on existing tools, not a frontier lab release.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
89 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/Extraaltodeus ·

    I created a super harmful model ! :D (by tweaking it's J-Space!!!)

    <!-- SC_OFF --><div class="md"><p>Soooo! Since Anthropic share their <a href="https://github.com/anthropics/jacobian-lens">Jacobian-Lens</a> a few days ago I went on and made a tool based on it which <em>adds</em> the possibilité to export a model which will have the same behavio…

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