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Issue · Week 21 · 18 May – 24 May, 2026

The week of 18 May 2026.

15 wires 4 sev-1 5 sev-2 6 sev-3 0 sev-4

Severity 1 — provider-wide impact

  1. 24 May
    SEV-1

    Model anthropic-claude-haiku-4.5 live-probe citation-pubmed-v1 moved -3.67σ from rolling mean. Refused this run: true.

    Multiple providers 1 source
  2. 22 May
    SEV-1

    Model aws-bedrock-claude-sonnet-4.5-eu-west-2 live-probe citation-pubmed-v1 moved -5.29σ from rolling mean. Refused this run: false.

    Multiple providers 1 source
  3. 21 May
    SEV-1

    Model anthropic-claude-haiku-4.5 live-probe citation-pubmed-v1 moved -5.29σ from rolling mean. Refused this run: true.

    Multiple providers 1 source
  4. 19 May
    SEV-1

    Model anthropic-claude-haiku-4.5 live-probe citation-pubmed-v1 moved -5.29σ from rolling mean. Refused this run: true.

    Multiple providers 1 source

Severity 2 — sector-specific risk

  1. 20 May
    SEV-2

    Model mistral-small-latest live-probe citation-pubmed-v1 moved -2.19σ from rolling mean. Refused this run: false.

    Multiple providers 1 source
  2. 20 May
    SEV-2

    Model mistral-small-latest live-probe citation-pubmed-v1 moved -2.50σ from rolling mean. Refused this run: false.

    Multiple providers 1 source
  3. 19 May
    SEV-2

    Model mistral-small-latest live-probe citation-pubmed-v1 moved -2.50σ from rolling mean. Refused this run: false.

    Multiple providers 1 source
  4. 19 May
    SEV-2

    Model mistral-small-latest live-probe citation-pubmed-v1 moved -2.50σ from rolling mean. Refused this run: false.

    Multiple providers 1 source
  5. 19 May
    SEV-2

    Model mistral-small-latest live-probe citation-pubmed-v1 moved -2.94σ from rolling mean. Refused this run: false.

    Multiple providers 1 source

Severity 3 — notable behaviour

  1. 21 May
    SEV-3

    [ftc] FTC to Require Cox Media Group, Two Other Firms to Pay Nearly $1 Million to Settle Charges They Deceived Customers About “Active Listening” AI-Powered Marketing Service

    Multiple providers 1 source
  2. 20 May
    SEV-3

    [google-ai-blog] 100 things we announced at I/O 2026

    Google 1 source
  3. 20 May
    SEV-3

    [openai-blog] An OpenAI model has disproved a central conjecture in discrete geometry

    OpenAI 1 source
  4. 19 May
    SEV-3

    [openai-blog] Introducing OpenAI for Singapore

    OpenAI 1 source
  5. 19 May
    SEV-3

    [eu-ai-office] Draft Commission guidelines on the classification of high-risk AI systems

    Multiple providers 1 source
  6. 19 May
    SEV-3

    [eu-ai-office] Targeted consultation on the draft guidelines for the classification of high-risk artificial intelligence systems

    Multiple providers 1 source

Wires below were captured during the indicated week from public AI-provider blogs, regulator releases, model-comparison probes, and reader tip-offs. The AI Newswire was compiled and launched on 10 May 2026; per-wire publication timestamps reflect the launch date. Future weekly issues land on their actual issue date. Methodology and corrections are tracked on the transparency ledger.