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TRACE-ROUTER: Task-Consistent and Adaptive Online Routing for Agentic AI

Research LLM Agents

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Overall 81
Content 85
Popularity 72

Observed public metrics from 1 member.

Merged summary

TL;DR - TRACE-Router uses a contextual bandit to assign an entire agentic task to one LLM and learns from delayed task-level rewards. This improves accuracy-latency trade-offs by aligning routing decisions with long-horizon workflow outcomes.

  • Pins all LLM calls within a task to the model selected at admission.
  • Optimizes routing from terminal rewards that jointly reflect accuracy and latency.
  • Avoids explicit task-complexity estimation while adapting to changing workloads.
  • Beats latency-matched model interpolation by 7–8 accuracy points on τ²-Bench; on Terminal-Bench, it gains 7.1 points over the strongest single model with 36% lower latency.

Sources (1)

TRACE-ROUTER: Task-Consistent and Adaptive Online Routing for Agentic AI

arXiv cs.AI Ritik Raj, Souvik Kundu, Sarbartha Banerjee, Dheemanth Joshi, Ishita Vohra, Tushar Krishna 2026-07-24 arXiv:2607.22465
Public signals Hugging Face upvotes 0 · Semantic Scholar citations 1 · Semantic Scholar influential citations 0
Providers: Hugging Face · Upvotes 0 OpenAlex · N/A Publisher · N/A Semantic Scholar · Citations 1 · Influential citations 0 X · N/A Fetched 2026-08-26 14:45:07.743807 UTC

TL;DR - TRACE-Router uses a contextual bandit to assign an entire agentic task to one LLM and learns from delayed task-level rewards. This improves accuracy-latency trade-offs by aligning routing decisions with long-horizon workflow outcomes.

  • Pins all LLM calls within a task to the model selected at admission.
  • Optimizes routing from terminal rewards that jointly reflect accuracy and latency.
  • Avoids explicit task-complexity estimation while adapting to changing workloads.
  • Beats latency-matched model interpolation by 7–8 accuracy points on τ²-Bench; on Terminal-Bench, it gains 7.1 points over the strongest single model with 36% lower latency.
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