Grok 2

Grok 2

SpaceXAI
+
+

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About

Claude Fable 5.1 is Anthropic’s advanced AI model for coding, knowledge work, research, and long-running agentic tasks. It is designed to improve on Claude Fable 5 with stronger performance across software engineering, scientific research, multidisciplinary reasoning, computer use, business workflows, and complex problem solving. The model can handle extended multi-step work, verify its own results, diagnose difficult software issues, and operate effectively across tool-heavy workflows. Anthropic also reduced cache-read pricing for Fable 5.1, lowering typical usage costs compared with Fable 5 and creating larger savings for highly agentic workloads. Fable 5.1 includes updated safeguards intended to reduce false positives while allowing more legitimate cybersecurity tasks such as vulnerability discovery for defensive purposes. The model is available through Claude products, the Claude API, Amazon Web Services, Google Cloud, and Microsoft Azure.

About

Grok-2, the latest iteration in AI technology, is a marvel of modern engineering, designed to push the boundaries of what artificial intelligence can achieve. Inspired by the wit and wisdom of the Hitchhiker's Guide to the Galaxy and the efficiency of JARVIS from Iron Man, Grok-2 is not just another AI; it's a companion in the truest sense. With an expanded knowledge base that stretches up to the recent past, Grok-2 offers insights with a touch of humor and an outside perspective on humanity, making it uniquely engaging. Its capabilities include answering nearly any question with maximum helpfulness, often providing solutions that are both innovative and outside the conventional box. Grok-2's design emphasizes truthfulness, avoiding the pitfalls of woke culture, and strives to be maximally truthful, making it a reliable source of information and entertainment in an increasingly complex world.

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

Software developers, researchers, enterprises, analysts, knowledge workers, and AI application teams that need advanced coding, reasoning, research, and long-running agentic capabilities

Audience

Anyone interested in a powerful large language model from xAI

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 1M tokens (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

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

  • This feels like the model you reach for when the work is genuinely difficult. Not every task needs Fable, but for complex coding, long-horizon agents, deep research, and big messy knowledge-work projects, Fable 5.1 looks built for the hard stuff. The 1M-token context window is a huge advantage. For developers and AI power users, that means you can work across large repos, long docs, research sets, transcripts, spreadsheets, and project history without constantly chopping everything into pieces. I also like that Anthropic specifically calls out document, spreadsheet, and slide work. That makes it feel useful beyond coding alone — more like a high-end model for serious professional workflows.

Cons

  • The downside is price and complexity. Anthropic says most workloads should start with Claude Opus 5, and Fable 5.1 is better reserved for demanding reasoning or cases where Opus 5 still falls short.

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

SpaceXAI
Founded: 2023
United States
x.ai

Alternatives

Alternatives

Grok 3

Grok 3

SpaceXAI
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
GPT-6 Astra

GPT-6 Astra

OpenAI
OpenAI o1

OpenAI o1

OpenAI
Claude Fable 5

Claude Fable 5

Anthropic
Grok 3 mini

Grok 3 mini

SpaceXAI
Claude Opus 5

Claude Opus 5

Anthropic
Grok 4.7

Grok 4.7

SpaceXAI

Categories

Categories

Integrations

Thread Deck
Claude Design
Elixir
Emergent
GitHub Copilot CLI
Go
JavaScript
Kubernetes
Muse
MyClaw
Objective-C
Skymel
Snowflake
Snowflake Cortex AI
Swift
TypeScript
Vellum
YAML
Yonoo
nexos.ai

Integrations

Thread Deck
Claude Design
Elixir
Emergent
GitHub Copilot CLI
Go
JavaScript
Kubernetes
Muse
MyClaw
Objective-C
Skymel
Snowflake
Snowflake Cortex AI
Swift
TypeScript
Vellum
YAML
Yonoo
nexos.ai
Claim Claude Fable 5.1 and update features and information
Claim Claude Fable 5.1 and update features and information
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Claim Grok 2 and update features and information