gpt4o · Model identity and integrity report
Last updated：Sep 13, 2026, 4:45 PM · Data window: past 90 days
Measured results (90 days)
20 runs · 15 hosts · 8 anomalies
Family-fingerprint consistency
openai 9 ███████████░░░░░░░░░░░░░░ 45% (expected) unknown 9 ███████████░░░░░░░░░░░░░░ 45% (suspicious) anthropic 1 █░░░░░░░░░░░░░░░░░░░░░░░░ 5% (suspicious) deepseek 1 █░░░░░░░░░░░░░░░░░░░░░░░░ 5% (suspicious)
Observed V3 sub-model mapping
→ unknown 11 (55%) ⚠ mismatch → openai/gpt-4o 6 (30%) ⚠ mismatch sim=0.90 → abstain 2 (10%) — low confidence → deepseek/deepseek-v4-flash 1 ( 5%) ⚠ mismatch sim=0.98
Capability score distribution (auxiliary)
0-49 █████████████████████░░░░ 17 50-69 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0 70-89 ████░░░░░░░░░░░░░░░░░░░░░ 3 90-100 ░░░░░░░░░░░░░░░░░░░░░░░░░ 0
Host integrity ranking
| Host | Runs | Average score | Family match | Most common V3 match |
|---|---|---|---|---|
| http://httpbin.org/anything/v1 | 2 | 0 | 0% | — |
| https://tokenforge.ai.studio | 2 | 0 | 0% | — |
| https://api.chatanywhere.tech/v1 | 2 | 44 | 50% | openai/gpt-4o (1) |
| https://api.67chuangfu.vip/v1 | 2 | 37 | 100% | openai/gpt-4o (2) |
| https://api.wxiai.com/v1 | 2 | 0 | 100% | — |
| https://api.timoz.me/v1 | 1 | 0 | 100% | openai/gpt-4o (1) |
| https://apigod.cloud/v1 | 1 | 5 | 0% | — |
| https://httpbin.org/get | 1 | 5 | 0% | — |
| http://[::ffff:127.0.0.1]/v1 | 1 | 0 | 0% | — |
| https://alloy-liver-congressional-role.trycloudflare.com/v1 | 1 | 0 | 0% | — |
| https://httpbin.org/redirect-to?url=http://127.0.0.1:80 | 1 | 3 | 0% | — |
| https://runanytime.hxi.me/v1 | 1 | 0 | 100% | — |
| https://sub2api.crazybunqnq.com/v1 | 1 | 0 | 0% | deepseek/deepseek-v4-flash (1) |
| https://api.openai-hub.net/v1 | 1 | 76 | 100% | openai/gpt-4o (1) |
| https://api.kourichat.com/v1 | 1 | 0 | 100% | openai/gpt-4o (1) |
Recent anomalies
https://api.timoz.me/v1Sep 11, 2026, 5:09 AM
- Self-claimed model
- gpt-4o
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 0.87)
- Verdict
- Sub-model downgrade
https://api.chatanywhere.tech/v1Aug 24, 2026, 2:11 PM
- Self-claimed model
- gpt-4o
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 0.80)
- Verdict
- Sub-model downgrade
https://api.67chuangfu.vip/v1Aug 23, 2026, 11:30 AM
- Self-claimed model
- gpt-4o-2024-08-06
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 0.91)
- Verdict
- Sub-model downgrade
https://api.67chuangfu.vip/v1Aug 23, 2026, 11:12 AM
- Self-claimed model
- gpt-4o-2024-08-06
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 0.92)
- Verdict
- Sub-model downgrade
https://alloy-liver-congressional-role.trycloudflare.com/v1Jul 28, 2026, 5:03 AM
- Self-claimed model
- gpt-4o
- V2 predicted family
- anthropic
- V3 best match
- —
- Verdict
- V3 low confidence · Abstain
https://sub2api.crazybunqnq.com/v1Jul 25, 2026, 5:15 PM
- Self-claimed model
- gpt-4o
- V2 predicted family
- deepseek
- V3 best match
- deepseek/deepseek-v4-flash (sim 0.98)
- Verdict
- Full swap
https://api.openai-hub.net/v1Jul 25, 2026, 6:31 AM
- Self-claimed model
- gpt-4o
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 1.00)
- Verdict
- Sub-model downgrade
https://api.kourichat.com/v1Jul 10, 2026, 6:20 AM
- Self-claimed model
- gpt-4o
- V2 predicted family
- openai
- V3 best match
- openai/gpt-4o (sim 0.87)
- 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 gpt4o. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.