Claude Fable 5

Claude Fable 5

Anthropic
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
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About

Claude Fable 5 is an advanced AI model from Anthropic designed to assist with software engineering, research, knowledge work, vision tasks, and complex reasoning. Built on the Mythos-class architecture, it delivers significantly improved performance across coding, analysis, and long-context workflows. The model can handle extended autonomous tasks while maintaining focus and consistency over large amounts of information. Claude Fable 5 integrates advanced reasoning, multimodal understanding, and memory capabilities to support professional and enterprise use cases. Anthropic has implemented specialized safeguards that automatically route certain high-risk cybersecurity, biology, chemistry, and model distillation requests to a different model. Claude Fable 5 helps organizations and professionals accelerate complex work while maintaining strong safety and governance controls.

About

GPT-5.6 Sol is a next-generation OpenAI model designed for advanced reasoning, coding, agentic workflows, biology analysis, cybersecurity support, and complex knowledge work. It is part of the GPT-5.6 model family alongside Terra and Luna, with Sol positioned as the flagship model for the most demanding tasks. The model introduces a new max reasoning effort for deeper thinking and an ultra mode that uses subagents to accelerate complex work beyond a single-agent approach. GPT-5.6 Sol shows strong performance in command-line coding workflows, long-horizon security tasks, genomics analysis, vulnerability research, debugging, patch development, and defensive testing. OpenAI pairs the model’s stronger capabilities with layered safeguards, real-time misuse classifiers, account-level review, automated red-teaming, and enterprise controls for sensitive workflows. GPT-5.6 Sol helps developers, enterprises, researchers, and security teams complete sophisticated technical work.

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 Fable 5 is designed for software engineers, researchers, enterprise organizations, data analysts, scientists, product teams, developers, business professionals, knowledge workers, and organizations seeking advanced AI for coding, research, automation, analysis, and enterprise productivity

Audience

GPT-5.6 Sol is best suited for developers, enterprise teams, AI engineers, researchers, security teams, cyber defenders, software organizations, biotechnology teams, and advanced technical users that need frontier reasoning, coding support, agentic workflows, biology analysis, defensive cybersecurity assistance, API access, Codex integration, and stronger safety controls

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

$5 per 1M tokens (input)
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 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: 2021
United States
claude.ai

Company Information

OpenAI
Founded: 2015
United States
openai.com

Alternatives

Claude Mythos 5

Claude Mythos 5

Anthropic

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
Claude Opus 4.7

Claude Opus 4.7

Anthropic
Claude Mythos 5

Claude Mythos 5

Anthropic
Claude Opus 4.8

Claude Opus 4.8

Anthropic
Claude Mythos

Claude Mythos

Anthropic

Categories

Categories

Integrations

AiAssistWorks
Bash
CSS
Charlie
Dessix
Devin Desktop
Flowise
GitHub
GitHub Copilot
JavaScript
JetBrains Junie
Microsoft Foundry
OpenClaw
OpenCode
Perplexity Computer
Pi Agent
SQL
Simtheory
Use AI
Visual Studio Code

Integrations

AiAssistWorks
Bash
CSS
Charlie
Dessix
Devin Desktop
Flowise
GitHub
GitHub Copilot
JavaScript
JetBrains Junie
Microsoft Foundry
OpenClaw
OpenCode
Perplexity Computer
Pi Agent
SQL
Simtheory
Use AI
Visual Studio Code
Claim Claude Fable 5 and update features and information
Claim Claude Fable 5 and update features and information
Claim GPT-5.6 Sol and update features and information
Claim GPT-5.6 Sol and update features and information