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The Hindu
Anthropic opens Fable 5, restricted version of Claude Mythos 5, to public
Anthropic has officially launched Fable 5, a restricted version of its high-end Claude Mythos 5 AI model, which is available to the general public. This new offering excels at tasks like writing code, answering complicated research queries, and image analysis, though it has limitations in sensitive areas due to cybersecurity concerns. Simultaneously, a fully unrestricted version is being provided to an exclusive set of organizations involved in cybersecurity initiatives, reflecting the company’s aim to balance accessibility with caution in potentially dangerous applications.
MonitorConfidence: MediumShort term horizonCybersecurity risk: High
Published 10 Jun 2026, 04:35 UTC3 min read
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Summary
TL;DR
- Fable 5 is now publicly available but with restrictions.
- Focus on cybersecurity due to sensitive capabilities.
- Dual offerings: limited and unrestricted access models.
- Pricing set at $10 per million input tokens.
- Anthropic's positions challenge prior U.S. government engagements.
- IPO plans filed by Anthropic and rival OpenAI.
Interesting facts
- Companies testing Mythos have praised its capabilities despite initial criticism.
- The cost to use Fable 5 is significantly higher than its predecessor Opus 4.8.