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securityBACKGROUND

Anthropic’s restricted Claude Mythos model may be coming to Claude Code

BACKGROUND
1 SIGNALFIRST DETECTED 25 May 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
29 May
Anthropic confirms Claude Mythos-class models will roll out to the public

Anthropic has confirmed that it plans to bring Mythos-class models to the general public after delaying the rollout due to security risks to public and private software. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
10 Jun
Microsoft restricts Claude Fable for employees over data retention concerns

Anthropic released Claude Fable, its first Mythos-class AI model, yesterday and it's already causing concerns inside Microsoft. Sources tell me that Microsoft is limiting the use

REPORT · WHEN · The Verge TechOPEN STORY
24 Jul
Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities

Weeks after Anthropic's latest toe-to-toe with the US government, and days after an OpenAI security incident that dominated tech industry discussions, Anthropic on Thursday

REPORT · WHO · The Verge TechOPEN STORY
24 Mar
Claude Code can now take over your computer to complete tasks

But Anthropic urges caution as "research preview" safeguards "aren't absolute."

REPORT · WHAT · Ars TechnicaOPEN STORY
8 Apr
Anthropic limits access to Mythos, its new cybersecurity AI model

A select group of customers is testing the Claude Mythos Preview.

REPORT · WHAT · Ars TechnicaOPEN STORY
28 May
Claude’s new model is more ‘honest’ when it messes up

Anthropic is releasing Claude Opus 4.8 on Thursday, and the company is touting the model's "honesty." According to Anthropic, it trains "all [its] models to be honest - for

REPORT · WHEN · The Verge TechOPEN STORY
15 Jun
Claude Fable 5 and Mythos 5 “abruptly disabled” after US gov. ban

Anthropic has been ordered by the US government to cut off its newest Claude Fable 5 and Mythos 5 models for fear of abuse.

REPORT · WHAT · Malwarebytes LabsOPEN STORY
11 Apr
Amid rapid enterprise growth, Anthropic is trying to lower the barrier to entry for businesses to build AI agents with Claude.

Amid rapid enterprise growth, Anthropic is trying to lower the barrier to entry for businesses to build AI agents with Claude.

OPINION · WHAT · WiredOPEN STORY
Sources
BleepingComputer

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