Measuring the Serving Stack Instead of the Model: Hidden Confounds in Local Tool-Use Evaluation
Local serving stacks can distort tool-use scores, including false 0% fidelity for rejected models.
Local serving stacks can distort tool-use scores, including false 0% fidelity for rejected models.
Researchers propose ComPO, a zeroth-order comparison-based preference alignment method with convergence guarantees that mitigates likelihood displacement in LLMs.
ComPO is a zeroth-order preference alignment method using comparison oracles to mitigate likelihood displacement across Mistral, Llama, Gemma, and Qwen3 models.
Google Research and partners introduce ToolGrad, a verified tool-chain-first data generation framework reaching 99.8% pass rate and boosting Gemma-3-12B to 83.1 on BFCL.
Researchers analyze why Preventative Steering protects LLMs against malicious fine-tuning, finding active adaptation drives protection, and propose Progressive Intensity Scheduling.
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