anthropic/claude-fable-5 · Model identity and integrity report
Last updated：Sep 13, 2026, 5:25 PM · 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)
3038 runs · 1011 hosts · 2082 anomalies
Family-fingerprint consistency
anthropic 2598 ██████████████████████░░░ 86% (expected) unknown 364 ███░░░░░░░░░░░░░░░░░░░░░░ 12% (suspicious) openai 56 █░░░░░░░░░░░░░░░░░░░░░░░░ 2% (suspicious) google 8 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0% (suspicious) qwen 5 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0% (suspicious) deepseek 4 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0% (suspicious) zhipu 2 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0% (suspicious) xai 1 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0% (suspicious)
Observed V3 sub-model mapping
→ abstain 1760 (58%) — low confidence → unknown 532 (18%) ⚠ mismatch → anthropic/claude-fable-5 403 (13%) ✓ correct sim=0.96 → anthropic/claude-opus-4.7 98 ( 3%) ⚠ mismatch sim=0.78 → anthropic/claude-opus-4.5 92 ( 3%) ⚠ mismatch sim=0.68 → anthropic/claude-sonnet-4.6 78 ( 3%) ⚠ mismatch sim=0.71 → anthropic/claude-opus-4.6 40 ( 1%) ⚠ mismatch sim=0.78 → anthropic/claude-sonnet-4.5 18 ( 1%) ⚠ mismatch sim=0.62 → anthropic/claude-sonnet-5 7 ( 0%) ⚠ mismatch sim=0.72 → anthropic/claude-haiku-4.5 3 ( 0%) ⚠ mismatch sim=0.70 → anthropic/claude-opus-4.8 2 ( 0%) ⚠ mismatch sim=0.83 → x-ai/grok-4.3 1 ( 0%) ⚠ mismatch sim=0.69 → qwen/qwen3-max 1 ( 0%) ⚠ mismatch sim=0.60 → google/gemini-3.6-flash 1 ( 0%) ⚠ mismatch sim=1.00 → qwen/qwen3-next-80b-a3b-instruct 1 ( 0%) ⚠ mismatch sim=0.66 → openai/gpt-5.4 1 ( 0%) ⚠ mismatch sim=0.84
Capability score distribution (auxiliary)
0-49 █████████████░░░░░░░░░░░░ 1602 50-69 █░░░░░░░░░░░░░░░░░░░░░░░░ 95 70-89 ███████░░░░░░░░░░░░░░░░░░ 850 90-100 ████░░░░░░░░░░░░░░░░░░░░░ 491
Host integrity ranking
| Host | Runs | Average score | Family match | Most common V3 match |
|---|---|---|---|---|
| https://api.a6api.com/v1 | 193 | 40 | 93% | anthropic/claude-opus-4.6 (13) |
| https://api.xinnanz.cn/v1 | 75 | 71 | 92% | anthropic/claude-fable-5 (16) |
| http://187.53.135.158:7101/v1 | 61 | 0 | 74% | — |
| https://seekai.cc/v1 | 59 | 32 | 93% | anthropic/claude-opus-4.5 (1) |
| https://api.xpiki.com/v1 | 58 | 11 | 97% | anthropic/claude-opus-4.7 (3) |
| https://a6api.com/v1 | 47 | 28 | 91% | anthropic/claude-opus-4.5 (3) |
| https://api.changqiu.top/v1 | 30 | 82 | 97% | anthropic/claude-fable-5 (3) |
| https://cc-vibe.com/v1 | 28 | 24 | 100% | anthropic/claude-sonnet-4.5 (3) |
| https://wawapii.com/v1 | 24 | 54 | 79% | anthropic/claude-fable-5 (3) |
| https://llmapi.pro/v1 | 23 | 53 | 100% | anthropic/claude-opus-4.7 (2) |
| https://supeai.cc/v1 | 23 | 54 | 87% | anthropic/claude-fable-5 (2) |
| https://bearlab.ai/v1 | 20 | 37 | 95% | anthropic/claude-sonnet-4.6 (4) |
| https://xn--vduyey89e.com/v1 | 20 | 19 | 35% | anthropic/claude-fable-5 (2) |
| https://www.yiyuantoken.com/v1 | 19 | 53 | 89% | anthropic/claude-fable-5 (2) |
| https://www.xiaoyaoapi.com/v1 | 18 | 19 | 67% | — |
| https://yetoken.vip/v1 | 17 | 40 | 100% | anthropic/claude-opus-4.7 (1) |
| https://sub.kedaya.xyz/v1 | 17 | 52 | 59% | anthropic/claude-fable-5 (2) |
| https://api.biuapi.com/v1 | 17 | 73 | 100% | anthropic/claude-fable-5 (10) |
| https://cider-secrecy-gating.ngrok-free.dev/v1 | 16 | 32 | 88% | anthropic/claude-fable-5 (6) |
| https://www.rsiai.net/v1 | 15 | 35 | 100% | — |
| https://api.ethancode.xyz/v1 | 15 | 53 | 80% | anthropic/claude-opus-4.7 (3) |
| https://pool.chaozhiyuanai.com/v1 | 15 | 30 | 93% | anthropic/claude-opus-4.5 (2) |
| https://api.bddevlab.online/v1 | 14 | 12 | 93% | anthropic/claude-sonnet-4.6 (2) |
| https://apijing.com/v1 | 14 | 45 | 100% | anthropic/claude-fable-5 (8) |
| https://api.hanhegufei.online/v1 | 14 | 36 | 86% | anthropic/claude-opus-4.5 (2) |
Recent anomalies
https://api.gritmailx.com/v1Sep 13, 2026, 5:23 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 13, 2026, 4:56 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://sub.laogou8.com/v1Sep 13, 2026, 4:47 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 13, 2026, 2:29 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 13, 2026, 2:00 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.nexusdark.com/v1Sep 13, 2026, 2:00 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://yetoken.vip/v1Sep 13, 2026, 11:10 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://anthropic.kunbot.org/v1Sep 13, 2026, 9:42 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://vulcanapi.com/v1Sep 13, 2026, 9:28 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 13, 2026, 8:29 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 13, 2026, 8:06 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://forge-openai.bitheart.top/v1Sep 13, 2026, 5:04 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.bddevlab.online/v1Sep 13, 2026, 4:08 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.shuaiapi.com/v1Sep 13, 2026, 3:55 AM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.xpiki.com/v1Sep 12, 2026, 11:37 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://vip.aipro.love/v1Sep 12, 2026, 6:23 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://api.baokemoe.com/v1Sep 12, 2026, 5:15 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://modelport.link/v1Sep 12, 2026, 3:53 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://cider-secrecy-gating.ngrok-free.dev/v1Sep 12, 2026, 3:45 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://cider-secrecy-gating.ngrok-free.dev/v1Sep 12, 2026, 3:41 PM
- Self-claimed model
- claude-fable-5
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
Methodology
BazaarLink Probe combines a Bayesian V2 family classifier across nine fingerprint categories with V3 sub-model references to verify endpoints claiming anthropic/claude-fable-5. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.