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Jev routing between open models cuts coding-agent cost ~78.5%

All 32 coding tasks passed hidden tests while Jev routed between open models to cut cost, plus a Beam vs Muse Spark comparison on 20 coding tasks.

Shivay Lamba
@HowDevelopArchived 10 days agoOriginally posted 2026.10.19

What this article says

文章主张编码 agent 的主要成本浪费来自把每个小分叉都交给大模型,而这类「选哪个模型、重试还是停」的判断并不需要推理能力。作者用 Jev 作为路由层,在多个开源模型之间按任务特征分流,把简单任务交给便宜模型、困难任务留给强模型,最终在 32 个精选编码任务上全部通过隐藏测试,同时把总成本压低约 78.5%。文章还附带 Beam 与 Muse Spark 在 20 个编码任务上的横向对比,从成本、速度和结果三方面给出数据,说明路由策略在保持通过率的前提下能显著改变单位任务开销。结论是:把决策与生成分开,让轻量决策层承担分流,是降低 agent 运行成本的可行路径。

How to cut coding-agent costs by ~78.5% using Jev to route between open models

All 32 selected coding tasks passed hidden tests.

Plus: Beam vs Muse Spark across 20 coding tasks - comparing cost, speed, and results 👇 https://x.com/i/article/2110991755843928064

Shivay Lamba @HowDevelopOriginally posted 2026.10.19
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x.com/howdevelop/status/2111988896095506534Archived 2026.10.20 10:07