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https://www.productionai.institute/graph/events/evt-anthropic-claude-mythos-preview

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Production AI Institute public record · Anthropic: Claude Mythos Preview retirement announced for June 30, 2026 · observed 2026-07-14
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Anthropic: Claude Mythos Preview retirement announced for June 30, 2026

Anthropic announced that Claude Mythos Preview (claude-mythos-preview) will be retired on June 30, 2026. Users are advised to migrate to Claude Mythos 5 (claude-mythos-5) using the provided migration guide.

Confidence
95%
Sources
1
Entities
1
Detected
detected 2m ago

Event summary

Anthropic announced that Claude Mythos Preview (claude-mythos-preview) will be retired on June 30, 2026. Users are advised to migrate to Claude Mythos 5 (claude-mythos-5) using the provided migration guide.

D4D3

Linked entities

  • Anthropic

    vendor | 70%

Related graph edges

EdgeTypeConfidence
ent-vendor-anthropic to ent-psf-d1maps to60%
ent-vendor-anthropic to ent-psf-d1maps to60%
ent-vendor-anthropic to ent-psf-d1maps to60%
ent-vendor-anthropic to ent-psf-d2maps to60%
ent-vendor-anthropic to ent-psf-d2maps to60%
ent-vendor-anthropic to ent-psf-d2maps to60%
ent-vendor-anthropic to ent-psf-d6maps to60%
ent-vendor-anthropic to ent-psf-d6maps to60%
ent-vendor-anthropic to ent-psf-d6maps to60%
ent-vendor-anthropic to ent-psf-d7maps to60%
ent-vendor-anthropic to ent-psf-d7maps to60%
ent-vendor-anthropic to ent-psf-d7maps to60%

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Event dates

  • Happened 30 June 2026

  • Detected 14 July 2026

Sources

  • Anthropic model deprecations

    primary | checked 10 July 2026

    Open source
Cite this record

"Anthropic: Claude Mythos Preview retirement announced for June 30, 2026." https://www.productionai.institute/graph/events/evt-anthropic-claude-mythos-preview (observed 2026-06-30; retrieved 2026-07-14). PAI.

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