Counterfactual Tool Ranking under Utility, Cost, and Privilege Constraints

arXiv:2609.22819 · cs.LG · Submitted 2026-09-19 · Read on arXiv

cs.LG

Submitted: 2026-09-19

Updated: 2026-09-19

Comments: Working paper, version 2. Includes synthetic execution studies, BFCL-derived function-selection experiments, and local open-weight LLM baselines. Code and artifacts: https://github.com/jaxblack/counterfactual-tool-ranking

Code: https://github.com/jaxblack/counterfactual-tool-ranking

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

Terminology

• Berkeley Function Calling Leaderboard — 1× in this paper

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