Claude Mythos 5

Claude Mythos 5

Anthropic
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+

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About

Claude Mythos 5 is Anthropic’s most advanced restricted-access AI model, designed for trusted cyberdefenders, infrastructure providers, and select research organizations. It uses the same underlying model as Claude Fable 5 but provides lifted safeguards in approved areas for specialized high-trust use cases. The model delivers exceptional capabilities in cybersecurity, software engineering, scientific research, long-context reasoning, vision, and autonomous task execution. Anthropic initially deployed Claude Mythos 5 through Project Glasswing in collaboration with the U.S. government to help protect critical software and infrastructure. The model also shows strong potential in life sciences, including protein design, molecular biology hypothesis generation, and genomics research. Claude Mythos 5 is built for organizations that need frontier AI capabilities under controlled, trusted-access conditions.

About

Factory Router is an automatic model-selection system for autonomous software engineering workflows, designed to deliver frontier performance at lower cost and with higher reliability. Instead of expecting engineers to manually choose the best model for every task, Factory Router automatically selects the right model for each Droid session, drawing from a diverse pool of frontier and efficient models. Simple questions, mechanical refactors, documentation updates, small bug fixes, search-heavy investigations, and other routine work can be handled by efficient models, while harder work that genuinely needs deeper reasoning can stay on frontier models. If the selected model struggles to complete a task, Factory Router can move the session to a more capable model to reliably preserve high-quality outcomes. It also routes across models, providers, and capacity sources when endpoints degrade, rate limits hit, or capacity becomes constrained, helping Droid sessions keep working.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Claude Mythos 5 is designed for cyberdefense teams, critical infrastructure providers, government partners, biomedical researchers, life sciences organizations, advanced AI research teams, and trusted enterprises that need restricted access to frontier AI capabilities

Audience

Enterprise engineering teams that want to reduce AI coding costs by automatically routing each task to the most suitable model and provider

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$10 per 1 million (input)
$10 per million input tokens and $50 per million output tokens
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • As a cybersecurity professional, Claude Mythos 5 is the most capable AI system I've seen for vulnerability research, threat analysis, and security engineering. It can identify attack paths, analyze complex codebases, and reason through security problems at a level that feels significantly beyond previous-generation models. What stands out most is its ability to connect seemingly unrelated findings into a coherent security assessment. Whether reviewing application code, examining infrastructure risks, or analyzing exploit chains, Mythos 5 consistently provides insights that would normally require multiple senior analysts working together. The model appears particularly strong at vulnerability discovery and defensive security workflows. Its capabilities were significant enough that Anthropic initially restricted access to a small group of trusted organizations before expanding availability through its Project Glasswing program.

Cons

  • The biggest downside is accessibility. Most security professionals cannot simply sign up and use Mythos 5. Access remains limited to approved organizations, which makes it difficult for independent researchers and smaller security teams to evaluate its full potential. The model's power also comes with operational constraints. Organizations using it must navigate additional security controls, monitoring requirements, and deployment restrictions that are not typically associated with mainstream AI tools. There is also a learning curve. Mythos 5 is not a replacement for security expertise—it amplifies expertise. Teams without strong cybersecurity fundamentals may struggle to get the same value from it as experienced practitioners.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Anthropic
Founded: 2023
United States
claude.ai

Company Information

Factory Router
Founded: 2023
United States
factory.ai/news/factory-router

Alternatives

Grok 4.6

Grok 4.6

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Alternatives

Claude Opus 5

Claude Opus 5

Anthropic
Claude Fable 5

Claude Fable 5

Anthropic
Claude Mythos

Claude Mythos

Anthropic

Categories

Categories

Integrations

Amp
Bash
Biela.dev
Bolt.new
C#
Claude Code
Claude Design
Claude Science
Claude Security
Cursor
Dessix
IntelliJ IDEA
JavaScript
Lua
Microsoft Foundry
MyClaw
OpenClaw
Solidity
StackAI
Trinity-Large-Thinking

Integrations

Amp
Bash
Biela.dev
Bolt.new
C#
Claude Code
Claude Design
Claude Science
Claude Security
Cursor
Dessix
IntelliJ IDEA
JavaScript
Lua
Microsoft Foundry
MyClaw
OpenClaw
Solidity
StackAI
Trinity-Large-Thinking
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