← Back to model

claudesonnet45thinking · Model identity and integrity report

Last updated：Sep 13, 2026, 5:38 PM · Data window: past 90 days

Measured results (90 days)

4 runs · 4 hosts · 4 anomalies

Family-fingerprint consistency

  anthropic        4  █████████████████████████  100% (suspicious)

Observed V3 sub-model mapping

  → anthropic/claude-opus-4.6                2 (50%) ⚠ mismatch sim=0.71
  → abstain                                  1 (25%) — low confidence
  → anthropic/claude-fable-5                 1 (25%) ⚠ mismatch sim=0.65

Capability score distribution (auxiliary)

  0-49     ███████████████████░░░░░░    3
  50-69    ░░░░░░░░░░░░░░░░░░░░░░░░░    0
  70-89    ██████░░░░░░░░░░░░░░░░░░░    1
  90-100   ░░░░░░░░░░░░░░░░░░░░░░░░░    0

Host integrity ranking

Host	Runs	Average score	Family match	Most common V3 match
https://az.zlapi.vip/v1	1	0	0%	—
https://api.103.ink/v1	1	0	0%	anthropic/claude-fable-5 (1)
https://api.furry.vg/v1	1	0	0%	anthropic/claude-opus-4.6 (1)
https://ai.furry.vg/v1	1	71	0%	anthropic/claude-opus-4.6 (1)

Recent anomalies

https://az.zlapi.vip/v1Sep 11, 2026, 4:41 PM

Self-claimed model: [0.001]k月/claude-sonnet-4-5-thinking
V2 predicted family: anthropic
V3 best match: —
Verdict: V3 low confidence · Abstain

https://api.103.ink/v1Aug 8, 2026, 11:34 PM

Self-claimed model: claude-sonnet-4-5-20250929-thinking
V2 predicted family: anthropic
V3 best match: anthropic/claude-fable-5 (sim 0.65)
Verdict: Full swap

https://api.furry.vg/v1Jul 10, 2026, 3:04 PM

Self-claimed model: claude-sonnet-4-5-20250929-thinking
V2 predicted family: anthropic
V3 best match: anthropic/claude-opus-4.6 (sim 0.68)
Verdict: Full swap

https://ai.furry.vg/v1Jun 27, 2026, 4:08 AM

Self-claimed model: claude-sonnet-4-5-20250929-thinking
V2 predicted family: anthropic
V3 best match: anthropic/claude-opus-4.6 (sim 0.74)
Verdict: Full swap

Methodology

BazaarLink Probe combines a Bayesian V2 family classifier across nine fingerprint categories with V3 sub-model references to verify endpoints claiming claudesonnet45thinking. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.

Test an endpoint yourself →