Agent harness tier list sparks debate: custom compaction harnesses should be discounted

pvncher · x · 2026-10-06

Reacting to an agent harness tier list, pvncher argues any harness using custom compaction with OpenAI or Anthropic models should be heavily discounted, asking what reason there is to use third-party harnesses and how they could outperform the native ones.

Related event: Agent Harness Tier List Sparks Lock-in Debate(4 posts)→

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