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deepseekv4flash0731free · Model identity and integrity report

Last updatedSep 19, 2026, 5:23 PM · Data window: past 90 days

Measured results (90 days)

6 runs · 3 hosts · 4 anomalies

Family-fingerprint consistency

  deepseek         4  █████████████████░░░░░░░░   67% (suspicious)
  unknown          2  ████████░░░░░░░░░░░░░░░░░   33% (suspicious)

Observed V3 sub-model mapping

  → abstain                                  3 (50%) — low confidence
  → unknown                                  2 (33%) ⚠ mismatch
  → deepseek/deepseek-v4-pro                 1 (17%) ⚠ mismatch sim=0.63

Capability score distribution (auxiliary)

  0-49     █████████████████░░░░░░░░    4
  50-69    ████░░░░░░░░░░░░░░░░░░░░░    1
  70-89    ████░░░░░░░░░░░░░░░░░░░░░    1
  90-100   ░░░░░░░░░░░░░░░░░░░░░░░░░    0

Host integrity ranking

HostRunsAverage scoreFamily matchMost common V3 match
https://openrouter.ai/api/v1200%deepseek/deepseek-v4-pro (1)
https://api.unorouter.com/v1200%
https://sharellm.cn/v12670%

Recent anomalies

https://openrouter.ai/api/v1Sep 19, 2026, 3:33 PM
Self-claimed model
deepseek/deepseek-v4-flash-0731:free
V2 predicted family
deepseek
V3 best match
Verdict
V3 low confidence · Abstain
https://openrouter.ai/api/v1Sep 19, 2026, 3:40 AM
Self-claimed model
deepseek/deepseek-v4-flash-0731:free
V2 predicted family
deepseek
V3 best match
deepseek/deepseek-v4-pro (sim 0.63)
Verdict
Full swap
https://sharellm.cn/v1Aug 27, 2026, 5:39 PM
Self-claimed model
deepseek-v4-flash-0731-free
V2 predicted family
deepseek
V3 best match
Verdict
V3 low confidence · Abstain
https://sharellm.cn/v1Aug 26, 2026, 11:44 AM
Self-claimed model
deepseek-v4-flash-0731-free
V2 predicted family
deepseek
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 deepseekv4flash0731free. Low family consistency, a different V3 match, or divergence from selfClaim is flagged as anomalous. BazaarLink Probe home.

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