Claude

Run Sep 18, 2026 · probe set v1 · scorer xyn-drift-scorer-2.0.0 · encoder all-MiniLM-L6-v2-onnx-q8+ortwasm-1.30.0 · claude-opus-4-8

Refusal rate: 0%; 0 of 40 probes
Verdict flips under pushback: 0%; 0 of 7 stance probes
Citation URLs that resolve: 86%; 12 of 14 URLs resolved · 1 not found (404) · 1 unreachable (5xx/403/timeout)
Answer drift vs prior run: 0.62; 34 probes vs prior run
Other stored measures: Order-sensitive drift: 0.83
Embedding distance: 0.101 (all-MiniLM-L6-v2-onnx-q8+ortwasm-1.30.0)
URLs per citation probe: 1.8 over 8
Probes answered: 40/40

Method and probe corpus on the Drift Board. These numbers describe what a fixed probe set measured about model output; they are not measurements of safety, correctness, alignment, or harm.