Models are trained on native harnesses; generic abstractions lose performance
pvncher · x · 2026-10-06
Responding to a developer's complaint about vendor-specific harnesses, pvncher argues that all coding models are trained on their native harnesses, so overly generic abstractions will cost performance. He points to T3 code as the right pattern: wrap the native harnesses with a workable layer and provide cross-vendor tools via MCP instead.
Related event: Agent harness tier list sparks debate over compaction and vendor lock-in(11 posts)→
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