claudesonnet5 · Model identity and integrity report

218 runs · 121 hosts · 208 anomalies

Family-fingerprint consistency

  anthropic      194  ██████████████████████░░░   89% (suspicious)
  openai          12  ██░░░░░░░░░░░░░░░░░░░░░░░    6% (suspicious)
  unknown         10  █░░░░░░░░░░░░░░░░░░░░░░░░    5% (suspicious)
  zhipu            1  ░░░░░░░░░░░░░░░░░░░░░░░░░    0% (suspicious)
  deepseek         1  ░░░░░░░░░░░░░░░░░░░░░░░░░    0% (suspicious)

Observed V3 sub-model mapping

  → abstain                                 88 (40%) — low confidence
  → anthropic/claude-opus-4.5               39 (18%) ⚠ mismatch sim=0.77
  → anthropic/claude-sonnet-5               27 (12%) ⚠ mismatch sim=0.84
  → anthropic/claude-opus-4.7               22 (10%) ⚠ mismatch sim=0.74
  → unknown                                 13 ( 6%) ⚠ mismatch
  → anthropic/claude-fable-5                11 ( 5%) ⚠ mismatch sim=0.93
  → anthropic/claude-sonnet-4.6              9 ( 4%) ⚠ mismatch sim=0.71
  → anthropic/claude-sonnet-4.5              6 ( 3%) ⚠ mismatch sim=0.64
  → anthropic/claude-haiku-4.5               2 ( 1%) ⚠ mismatch sim=0.71
  → openai/gpt-5.4                           1 ( 0%) ⚠ mismatch sim=0.87

Capability score distribution (auxiliary)

  0-49     ███████████████░░░░░░░░░░  127
  50-69    █░░░░░░░░░░░░░░░░░░░░░░░░    4
  70-89    ████░░░░░░░░░░░░░░░░░░░░░   37
  90-100   ██████░░░░░░░░░░░░░░░░░░░   50

BazaarLink Probe combines a Bayesian V2 family classifier across nine fingerprint categories with V3 sub-model references to verify endpoints claiming claudesonnet5. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.