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  <title>Weco AI Blog</title>
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  <description>Latest articles from Weco AI on Machine Learning, AI, and ML Engineering</description>
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  <lastBuildDate>Fri, 17 Apr 2026 07:36:01 GMT</lastBuildDate>
  
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    <title><![CDATA[AutoResearch vs Classical Hyperparameter Tuning]]></title>
    <link>https://www.weco.ai/blog/autoresearch-vs-classical-hpo</link>
    <guid>https://www.weco.ai/blog/autoresearch-vs-classical-hpo</guid>
    <pubDate>Thu, 02 Apr 2026 00:00:00 GMT</pubDate>
    <description><![CDATA[We ran a head-to-head comparison on NanoChat: Optuna vs AutoResearch. The agent wins on sample efficiency, cost efficiency, and generalization.]]></description>
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    <author>Zhengyao Jiang</author><author>Bingchen Zhao</author>
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    <title><![CDATA[Weco Now Integrates with LangSmith]]></title>
    <link>https://www.weco.ai/blog/weco-langsmith-integration</link>
    <guid>https://www.weco.ai/blog/weco-langsmith-integration</guid>
    <pubDate>Mon, 09 Mar 2026 00:00:00 GMT</pubDate>
    <description><![CDATA[Point Weco at your LangSmith datasets and evaluators. It handles the search.]]></description>
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    <author>Weco Team</author>
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    <title><![CDATA[How to Build a Good Eval]]></title>
    <link>https://www.weco.ai/blog/eval-is-not-a-tool-you-install</link>
    <guid>https://www.weco.ai/blog/eval-is-not-a-tool-you-install</guid>
    <pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate>
    <description><![CDATA[Eval is not a tool you install. It's a way of thinking from experimental science. Learn what makes a good benchmark and how to avoid common pitfalls.]]></description>
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    <author>Zhengyao Jiang</author>
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  <item>
    <title><![CDATA[Evolving a Flappy Bird AI: 100 Solutions Explored, 6.6x Improvement, $12]]></title>
    <link>https://www.weco.ai/blog/flappy-bird-case-study</link>
    <guid>https://www.weco.ai/blog/flappy-bird-case-study</guid>
    <pubDate>Sat, 07 Feb 2026 00:00:00 GMT</pubDate>
    <description><![CDATA[We gave Weco a simple Flappy Bird AI that scored 2.76 points on average. 100 iterations and $12 later, the AI scored 20.9 - a 6.6x improvement.]]></description>
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    <author>Weco Team</author>
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    <title><![CDATA[Weco Is Now in Public Beta]]></title>
    <link>https://www.weco.ai/blog/beyond-trial-and-error-ml-engineering</link>
    <guid>https://www.weco.ai/blog/beyond-trial-and-error-ml-engineering</guid>
    <pubDate>Wed, 05 Nov 2025 00:00:00 GMT</pubDate>
    <description><![CDATA[Hard work scales linearly. Automation scales exponentially.]]></description>
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    <author>Weco Team</author>
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  <item>
    <title><![CDATA[Weco Raises $8M to Build Self-Evolving Software]]></title>
    <link>https://www.weco.ai/blog/seed-announcement</link>
    <guid>https://www.weco.ai/blog/seed-announcement</guid>
    <pubDate>Wed, 30 Jul 2025 00:00:00 GMT</pubDate>
    <description><![CDATA[Most AI tools can draft code that runs. None can deliver expert‑grade solutions that push the frontier.]]></description>
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    <author>Zhengyao Jiang</author><author>Yuxiang Wu</author>
  </item>
  
  <item>
    <title><![CDATA[AIDE: Human-Level Performance on Data Science Competitions]]></title>
    <link>https://www.weco.ai/blog/technical-report</link>
    <guid>https://www.weco.ai/blog/technical-report</guid>
    <pubDate>Thu, 04 Apr 2024 00:00:00 GMT</pubDate>
    <description><![CDATA[In the world of data science, Kaggle competitions have become a widely accepted standard...]]></description>
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    <author>Dominik Schmidt</author><author>Zhengyao Jiang</author><author>Yuxiang Wu</author>
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  <item>
    <title><![CDATA[The Future of Machine Learning Research]]></title>
    <link>https://www.weco.ai/blog/intro</link>
    <guid>https://www.weco.ai/blog/intro</guid>
    <pubDate>Mon, 22 Jan 2024 00:00:00 GMT</pubDate>
    <description><![CDATA[Research is a cornerstone in the quest to understand the world and tap into its economic values...]]></description>
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    <author>Zhengyao Jiang</author><author>Yuxiang Wu</author>
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