Qwen3.6-27B's Jacobian lens steers Qwen3.8-27B without refitting

A Reddit user tested whether a Jacobian lens fitted to Qwen3.6-27B survives a version update, finding it reads and steers Qwen3.8-27B with zero refitting. The experiment addresses whether interpretability instruments need refitting per checkpoint release.
1 source
Daily brief
Get tomorrow's AI brief in your inbox
More stories today
- LangSmith adds Preview Builds to test agent changes before production
- Exa plugin gives ChatGPT Work and Codex access to 100B+ websites
- Ramp launches its own AI model router, called Router
- Apple’s AirPods Should Avoid Meta’s Mistakes
- Docker's Tushar Jain on AI-native runtime for agent autonomy