gpt51codex · Model identity and integrity report

Name: gpt51codex relay integrity probe aggregate
Creator: BazaarLink

Last updated：Jul 30, 2026, 12:41 PM · Data window: past 90 days

Measured results (90 days)

4 runs · 1 hosts · 4 anomalies

Family-fingerprint consistency

  openai           4  █████████████████████████  100% (suspicious)

Observed V3 sub-model mapping

  → openai/gpt-5.4                           3 (75%) ⚠ mismatch sim=1.00
  → abstain                                  1 (25%) — low confidence

Capability score distribution (auxiliary)

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

Host integrity ranking

Host	Runs	Average score	Family match	Most common V3 match
https://www.moyu.info/v1	4	64	0%	openai/gpt-5.4 (3)

Recent anomalies

https://www.moyu.info/v1May 22, 2026, 6:39 AM

Self-claimed model: gpt-5.1-codex
V2 predicted family: openai
V3 best match: —
Verdict: V3 low confidence · Abstain

https://www.moyu.info/v1May 22, 2026, 6:39 AM

Self-claimed model: gpt-5.1-codex
V2 predicted family: openai
V3 best match: openai/gpt-5.4 (sim 1.00)
Verdict: Full swap

https://www.moyu.info/v1May 20, 2026, 6:58 AM

Self-claimed model: gpt-5.1-codex
V2 predicted family: openai
V3 best match: openai/gpt-5.4 (sim 1.00)
Verdict: Full swap

https://www.moyu.info/v1May 20, 2026, 6:46 AM

Self-claimed model: gpt-5.1-codex
V2 predicted family: openai
V3 best match: openai/gpt-5.4 (sim 1.00)
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 gpt51codex. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.

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