U-Space: Uncovering When and Why Uncertainty Arises in Language Models

cs.CL, cs.AI, cs.LG

Submitted: 2026-10-06

Updated: 2026-10-06

Comments: Code: https://github.com/s2labres/U-Space

Code: https://github.com/s2labres/U-Space

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Sources

• How Do AI Agents Spend Your Money? Analyzing and Predicting Token Consumption in Agentic Coding Tasks
• Eliciting Latent Predictions from Transformers with the Tuned Lens
• Trace Length is a Simple Uncertainty Signal in Reasoning Models
• Verbalizable Representations Form a Global Workspace in Language Models
• Language Models (Mostly) Know What They Know
• Magistral
• School of Reward Hacks: Hacking harmless tasks generalizes to misaligned behavior in LLMs
• Gemma 4 Technical Report
• Steering Language Models With Activation Engineering

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