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anthropic/claude-opus-4.6 · Model identity and integrity report

Last updatedJul 30, 2026, 11:22 AM · Data window: past 90 days

Verification capability — fingerprint reference available

Family
anthropic
V3 sub-model reference
Available ✓
Checks
知識截止 · 能力探針 · 拒絕模板 · 拒絕溫度參數
Family-fingerprint coverage
60 weighted rules · 8 feature categories

Concrete reference answers, refusal templates, and individual signal weights are not published because disclosure would help spoofing endpoints evade detection.

Measured results (90 days)

1663 runs · 619 hosts · 823 anomalies

Family-fingerprint consistency

  anthropic      1477  ██████████████████████░░░   89% (expected)
  unknown        136  ██░░░░░░░░░░░░░░░░░░░░░░░    8% (suspicious)
  openai          43  █░░░░░░░░░░░░░░░░░░░░░░░░    3% (suspicious)
  deepseek         5  ░░░░░░░░░░░░░░░░░░░░░░░░░    0% (suspicious)
  google           1  ░░░░░░░░░░░░░░░░░░░░░░░░░    0% (suspicious)
  zhipu            1  ░░░░░░░░░░░░░░░░░░░░░░░░░    0% (suspicious)

Observed V3 sub-model mapping

  → anthropic/claude-opus-4.6              576 (35%) ✓ correct sim=0.84
  → abstain                                514 (31%) — low confidence
  → unknown                                222 (13%) ⚠ mismatch
  → anthropic/claude-opus-4.5              140 ( 8%) ⚠ mismatch sim=0.71
  → anthropic/claude-sonnet-4.6             85 ( 5%) ⚠ mismatch sim=0.76
  → anthropic/claude-haiku-4.5              46 ( 3%) ⚠ mismatch sim=0.74
  → anthropic/claude-opus-4.7               24 ( 1%) ⚠ mismatch sim=0.71
  → anthropic/claude-fable-5                21 ( 1%) ⚠ mismatch sim=0.81
  → anthropic/claude-sonnet-4.5             16 ( 1%) ⚠ mismatch sim=0.61
  → anthropic/claude-sonnet-5               11 ( 1%) ⚠ mismatch sim=0.67
  → openai/gpt-5.4                           5 ( 0%) ⚠ mismatch sim=0.92
  → deepseek/deepseek-v4-pro                 1 ( 0%) ⚠ mismatch sim=0.76
  → openai/gpt-5.4-mini                      1 ( 0%) ⚠ mismatch sim=0.95
  → openai/gpt-4.1-mini                      1 ( 0%) ⚠ mismatch sim=0.80

Capability score distribution (auxiliary)

  0-49     █████████░░░░░░░░░░░░░░░░  600
  50-69    █░░░░░░░░░░░░░░░░░░░░░░░░   27
  70-89    █████░░░░░░░░░░░░░░░░░░░░  320
  90-100   ███████████░░░░░░░░░░░░░░  716

Host integrity ranking

HostRunsAverage scoreFamily matchMost common V3 match
https://dasuapi.com/v11447489%anthropic/claude-opus-4.6 (83)
https://api.9527code.com/v11257998%anthropic/claude-opus-4.6 (95)
https://a6api.com/v147094%anthropic/claude-opus-4.5 (22)
https://modcon.top/v14588100%anthropic/claude-opus-4.6 (27)
https://ai.centos.hk/v11977100%anthropic/claude-opus-4.6 (7)
https://api.3geeks4u.com/v1158080%anthropic/claude-opus-4.6 (5)
http://186.244.247.4/v1147786%anthropic/claude-opus-4.6 (5)
https://coderelay.cn/v1137792%anthropic/claude-haiku-4.5 (5)
https://dasuapi.cn/v1128192%anthropic/claude-opus-4.6 (2)
https://api.tokeng0d.com/v11276100%anthropic/claude-opus-4.6 (6)
https://www.packyapi.com/v1117182%anthropic/claude-opus-4.5 (3)
https://yunwu.ai/v1104780%anthropic/claude-opus-4.6 (4)
https://muyuan.do/v1103490%anthropic/claude-sonnet-4.5 (3)
https://api.bondai.cc/v1104580%anthropic/claude-sonnet-4.5 (1)
https://cc-vibe.com/v1935100%anthropic/claude-sonnet-4.5 (1)
https://api.9527.codes/v197478%anthropic/claude-opus-4.6 (6)
https://cn.jixiangai.xyz/v1910100%anthropic/claude-fable-5 (1)
https://api.ikuncode.cc/v1950100%anthropic/claude-haiku-4.5 (3)
https://api.105e.com/v1996100%anthropic/claude-opus-4.6 (8)
https://api.tokeneasy.com.cn/v1873100%anthropic/claude-opus-4.6 (2)
https://9527code.com/v1884100%anthropic/claude-opus-4.6 (6)
https://aiapi1.cc.cd/v188313%openai/gpt-5.4 (1)
https://xxapi.com.cn/v1842100%anthropic/claude-sonnet-4.5 (2)
https://newapi.makelove.cloud/v1811100%anthropic/claude-haiku-4.5 (3)
https://mdkj.lol/v1744100%anthropic/claude-sonnet-4.6 (3)

Recent anomalies

https://downstream.jbbtoken.cn/v1Jul 30, 2026, 10:48 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-sonnet-4.5 (sim 0.61)
Verdict
Sub-model downgrade
https://aicodelink.top/v1Jul 30, 2026, 10:45 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.70)
Verdict
Sub-model downgrade
https://cc-vibe.com/v1Jul 30, 2026, 9:27 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-sonnet-4.5 (sim 0.61)
Verdict
Sub-model downgrade
https://api.9527code.com/v1Jul 30, 2026, 2:34 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-fable-5 (sim 0.85)
Verdict
Sub-model downgrade
https://kuai.dmxcode.com/v1Jul 30, 2026, 12:31 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://niuniutoken.com/v1Jul 30, 2026, 12:17 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.71)
Verdict
Sub-model downgrade
https://tokken.cc/v1Jul 29, 2026, 2:21 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.71)
Verdict
Sub-model downgrade
https://niuniutoken.com/v1Jul 29, 2026, 1:42 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.68)
Verdict
Sub-model downgrade
https://dasuapi.cn/v1Jul 29, 2026, 9:46 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://api.9527.codes/v1Jul 29, 2026, 9:42 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://xclaude.cn/v1Jul 29, 2026, 6:55 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-fable-5 (sim 0.90)
Verdict
Sub-model downgrade
https://api.mornye.uk/v1Jul 29, 2026, 3:36 AM
Self-claimed model
[KIRO]claude-opus-4.6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.73)
Verdict
Sub-model downgrade
https://newaicxy.xyz/v1Jul 28, 2026, 6:03 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://api.a6api.com/v1Jul 28, 2026, 8:26 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://api.a6api.com/v1Jul 28, 2026, 8:09 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-sonnet-4.5 (sim 0.61)
Verdict
Sub-model downgrade
https://api.tokeneasy.com.cn/v1Jul 28, 2026, 8:08 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://ai.ismatcha.meme/v1Jul 28, 2026, 5:08 AM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://rounicorn.net/v1Jul 27, 2026, 6:44 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://rounicorn.net/v1Jul 27, 2026, 6:33 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
Verdict
V3 low confidence · Abstain
https://www.yiyuantoken.com/v1Jul 27, 2026, 2:54 PM
Self-claimed model
claude-opus-4-6
V2 predicted family
anthropic
V3 best match
anthropic/claude-opus-4.5 (sim 0.72)
Verdict
Sub-model downgrade

Methodology

BazaarLink Probe combines a Bayesian V2 family classifier across nine fingerprint categories with V3 sub-model references to verify endpoints claiming anthropic/claude-opus-4.6. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.

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