Claude Mythos 5

Claude Mythos 5

Anthropic
GLM-5.1

GLM-5.1

Zhipu AI
+
+

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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

GLM-5.1 is the latest iteration of Z.ai’s GLM series, designed as a frontier-level, agent-oriented AI model optimized for coding, reasoning, and long-horizon workflows. It builds on the GLM-5 architecture, which uses a Mixture-of-Experts (MoE) design to deliver high performance while keeping inference costs efficient, and is part of a broader push toward open-weight, developer-accessible models. A core focus of GLM-5.1 is enabling agentic behavior, meaning it can plan, execute, and iterate across multi-step tasks rather than simply responding to single prompts. It is specifically designed to handle complex workflows such as debugging code, navigating repositories, and executing chained operations with sustained context. Compared to earlier models, GLM-5.1 improves reliability in long interactions, maintaining coherence across extended sessions and reducing breakdowns in multi-step reasoning.

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

Developers and AI teams who need a cost-efficient, agent-capable model for coding, automation, and long multi-step workflows with flexible deployment options

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)
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:

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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

Zhipu AI
Founded: 2023
China
z.ai/

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic

Alternatives

Claude Code

Claude Code

Anthropic
Claude Opus 4.7

Claude Opus 4.7

Anthropic
Claude Fable 5

Claude Fable 5

Anthropic
Claude Opus 4.8

Claude Opus 4.8

Anthropic
Claude Mythos 5

Claude Mythos 5

Anthropic
Kimi K2 Thinking

Kimi K2 Thinking

Moonshot AI
Claude Opus 4.5

Claude Opus 4.5

Anthropic

Categories

Categories

Integrations

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Yonoo
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Cline
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PrivatClaw
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Integrations

Cherry Studio
Claude Code
Claw Code
Dessix
Factory Droid
OpenClaw
Shiori
Sup AI
Vercel AI Gateway
Yonoo
Zo Computer
Brokk
Cline
Elixir
Go
GoLand
Java
Ollama
PrivatClaw
SQL
Claim Claude Mythos 5 and update features and information
Claim Claude Mythos 5 and update features and information
Claim GLM-5.1 and update features and information
Claim GLM-5.1 and update features and information