Anthropic

What changed

Claude Opus 4 has been retired. The retirement date was not fully captured in the snapshot but the table row indicates a retired state.

Timeline

1. 17 July 2026Claude Opus 4 retired
   Release80%

   • Anthropic model deprecationshttps://docs.claude.com/en/docs/about-claude/model-deprecations

   Anthropic model deprecations
2. 16 July 2026Elevated errors for Claude Opus 4.7
   Incident92%

   • Anthropic status pagehttps://status.anthropic.com/api/v2/summary.json
   • Anthropic incident vjfp60ngq2zjhttps://stspg.io/3vvl4w8559r5

   Anthropic status pageAnthropic incident vjfp60ngq2zj
3. 14 July 2026Claude Mythos Preview retirement announced for June 30, 2026
   Release95%

   • Anthropic model deprecationshttps://docs.claude.com/en/docs/about-claude/model-deprecations

   Anthropic model deprecations
4. 10 July 2026Claude Opus 4.1 deprecated, retirement August 5 2026
   Release95%

   • Anthropic model deprecationshttps://docs.claude.com/en/docs/about-claude/model-deprecations

   Anthropic model deprecations
5. 8 July 2026Elevated errors on Claude Opus 4.8
   Incident100%

   • Anthropic status pagehttps://status.anthropic.com/api/v2/summary.json
   • Anthropic incident dcxc66flmxbdhttps://stspg.io/kt72q7m6rz9c

   Anthropic status pageAnthropic incident dcxc66flmxbd
6. 7 July 2026Elevated errors for some models
   Incident95%

   • Anthropic status pagehttps://status.anthropic.com/api/v2/summary.json
   • Anthropic incident l9zyw879cyd6https://stspg.io/g0yp6phqpdrn

   Anthropic status pageAnthropic incident l9zyw879cyd6
7. 19 June 2026Purportedly AI-Enabled Targeting System Was Reportedly Implicated in Deadly U.S. Strike on Iranian Primary School
   Incident82%

   • Iranian school was on U.S. target list, may have been mistaken as military sitehttps://www.washingtonpost.com/national-security/2026/03/11/us-strike-iran-elementary-school-ai-target-list/
   • AI got the blame for the Iran school bombing. The truth is far more worryinghttps://www.theguardian.com/news/2026/mar/26/ai-got-the-blame-for-the-iran-school-bombing-the-truth-is-far-more-worrying
   • AI Incident Database - Incident 1492https://incidentdatabase.ai/cite/1492/

   Iranian school was on U.S. target list, may have been mistaken as military siteAI got the blame for the Iran school bombing. The truth is far more worryingAI Incident Database - Incident 1492
8. 28 May 2026Nonfiction Book 'The Future of Truth' Reportedly Included AI-Generated and Misattributed Quotations
   Incident78%

   • Book on Truth in the Age of A.I. Contains Quotes Made Up by A.I.https://www.nytimes.com/2026/05/19/business/media/future-of-truth-ai-quotes.html
   • AI Incident Database - Incident 1504https://incidentdatabase.ai/cite/1504/

   Book on Truth in the Age of A.I. Contains Quotes Made Up by A.I.AI Incident Database - Incident 1504
9. 22 May 2026PocketOS Production Database Was Reportedly Deleted by Cursor AI Agent Running Claude Opus 4.6
   Incident82%

   • Here we go again: AI deletes entire company database and all backups in 9 seconds, then cheerfully admits 'I violated e…https://www.pcgamer.com/software/ai/here-we-go-again-ai-deletes-entire-company-database-and-all-backups-in-9-seconds-then-cheerfully-admits-i-violated-every-principle-i-was-given/
   • Claude-powered AI coding agent deletes entire company database in 9 seconds — backups zapped, after Cursor tool powered…https://www.tomshardware.com/tech-industry/artificial-intelligence/claude-powered-ai-coding-agent-deletes-entire-company-database-in-9-seconds-backups-zapped-after-cursor-tool-powered-by-anthropics-claude-goes-rogue
   • AI Incident Database - Incident 1469https://incidentdatabase.ai/cite/1469/

   Here we go again: AI deletes entire company database and all backups in 9 seconds, then cheerfully admits 'I violated e…Claude-powered AI coding agent deletes entire company database in 9 seconds — backups zapped, after Cursor tool powered…AI Incident Database - Incident 1469
10. 22 May 2026Claude Console Reportedly Generated Phantom Legal Quotations in Trump Layoffs Court Filing
    Incident82%

    • Lawyer apologizes for 'phantom' AI quotes in Trump layoffs casehttps://www.reuters.com/legal/transactional/lawyer-apologizes-phantom-ai-quotes-trump-layoffs-case-2026-05-18/
    • Notice of Declarations from Third-Party Joseph Guy's Counsel – Case Nos. 3:25-cv-3698-SI and 3:26-mc-80146-SIhttps://fingfx.thomsonreuters.com/gfx/legaldocs/myvmylgokvr/Binnall%20AI%20apology.pdf
    • AI Incident Database - Incident 1499https://incidentdatabase.ai/cite/1499/

    Lawyer apologizes for 'phantom' AI quotes in Trump layoffs caseNotice of Declarations from Third-Party Joseph Guy's Counsel – Case Nos. 3:25-cv-3698-SI and 3:26-mc-80146-SIAI Incident Database - Incident 1499
11. 30 Apr 2026Claude Opus 4.8 — Q2 2026 Lab benchmark
    Benchmark82%

    • Claude Opus 4.8 — PAI Lab PSF assessmenthttps://www.productionai.institute/insights/claude-opus-4-8-psf-assessment-2026
    • PAI Lab scorecards — Q2 2026https://www.productionai.institute/lab#scorecards

    Claude Opus 4.8 — PAI Lab PSF assessmentPAI Lab scorecards — Q2 2026
12. 30 Apr 2026Claude Sonnet 4.6 — Q2 2026 Lab benchmark
    Benchmark82%

    • Claude Sonnet 4.6 — PAI Lab PSF assessmenthttps://www.productionai.institute/insights/claude-sonnet-4-6-psf-assessment
    • PAI Lab scorecards — Q2 2026https://www.productionai.institute/lab#scorecards

    Claude Sonnet 4.6 — PAI Lab PSF assessmentPAI Lab scorecards — Q2 2026

PSF mapping