132 supporting signals
Harness architecture outlives model choice
For production agents, the harness is becoming a more durable product boundary than the identity of the model running inside it.
- Confidence
- high
- First seen
- Jun 28, 2026
- Verified
- Sep 1, 2026
Revise the thesis if model-provider coupling consistently produces better reliability and lower total migration cost than portable rules, tools, traces, and execution contracts.