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HarnessTax: How Much Does the Harness Matter for Coding Agents?

233 points · 99 comments · matt_d

  1. ed_mercer · · focus · HN ↗
    Does this extend to open models like GLM 5.3? This would mean that simply changing the harness to Pi reduces cost in half?
    1. roywiggins · · focus · HN ↗
      I've found the experience of using Pi with local models feels a lot snappier than both OpenCode or Claude Code.
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