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Bohu
@BohuTANG
Founder
@DatabendLabs
&
@Evot_AI
. Building the data harness infrastructure for the AI frontier.
Joined May 2008
160
Following
3.7K
Followers
Bohu
@BohuTANG
2026.06.10 02:51
上周六分享了「Trace 即 Evals」,聊了一个问题:Agent 改了 prompt、换了模型、加了 tool,到底变好还是变差? 几个关键点: - Agent 是链式反应,一步偏了后面全偏,只看 pass/fail 没用 - 同任务同模型,换 harness,token 消耗差 3 倍,成本差 67% - 轨迹存下来才有归因的可能——哪一步选错 tool、哪一步上下文炸了,展开就能看到 - Anthropic、OpenAI这种头部模型公司迭代 agent 靠的就是 trace 驱动的量化闭环,这套方法不该只有大厂能用 Slides 👉
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