5 397B-A17B.
Later LLM handoffs rarely beat choosing the model upfront
Across three multi-turn benchmarks, routing gains came mainly from initial model selection and better supervision targets, not delayed switching.
Chinese Tech
Daniel Matos · Lu Liu · Yanfeng Zhang
Riemann Lab, Huawei Technologies
Research Digest··3 min read
Thread:Agent Harness Optimization
Matos, Liu and Zhang measured the outcomes of switching among three Qwen models at different points in multi-turn tasks.
Why this paper
From Riemann Lab, Huawei Technologies · Part of Agent Harness Optimization, now 133 papers
In one line
Allowing later handoff after initial model selection does not improve utility over initial selection alone, but better supervision targets improve performance.
What we could check
- ·No code link found
- ·No weights link found
- ·No dataset link found
- ·No compute details found
- ✓Limitations stated by the authors (2 noted)
- ✓Reports numbers on named benchmarks (3 benchmarks)
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