3 papers
cs.CL2026
Protocol Compression Changes Which Party Pays: Bilateral Cost in Cross-Organization LLM Agent Communication
Janghoon Lee
Agents that talk across organizations exchange long messages billed by the token. A shorter notation therefore looks like a saving that costs nothing but an agreement to use it. Re…
cs.CL2026
Repair, Not Improvement: Decomposing Constrained Decoding in Tool-Call Abstention
Janghoon Lee
A tool-calling router has to pick the right tool when one applies and decline when none does. Restricting the decoder to a grammar over the tool names is the standard remedy for th…
cs.CL2026
Most of the LLM Routing Gap Is Task Type
Janghoon Lee
An LLM router picks which model should answer each query. The appeal is that models fail on different questions. Whatever single model is best overall still gets some wrong, and an…