Grok 5

Grok 5

SpaceXSI
+
+

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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 5 is an anticipated next-generation artificial intelligence model from xAI, designed to advance the capabilities of the Grok family of large language models. The model is expected to focus on complex reasoning, software engineering, multimodal understanding, and autonomous AI agent workflows. Potential capabilities include code generation, mathematical problem-solving, scientific analysis, document processing, and advanced information retrieval. Building on previous Grok models, it may support tool calling, extended context processing, real-time information access, and multistep task execution. Grok 5 could be used for AI assistants, software development, enterprise automation, technical research, and productivity applications. The model has not been officially released, and its architecture, context window, performance benchmarks, pricing, and availability remain unconfirmed.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

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

Audience

Software developers, AI engineers, machine learning researchers, autonomous agent developers, data scientists, cybersecurity professionals, enterprise IT teams, technical researchers, and organizations interested in advanced AI reasoning, multimodal analysis, automated coding, scientific problem-solving, and complex agentic workflows

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$10 per 1M tokens (input)
$10 per million input tokens and $50 per million output tokens
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Anthropic
Founded: 2021
United States
claude.ai

Company Information

SpaceXSI
Founded: 2023
United States
grok.com

Alternatives

Alternatives

GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
GPT-6.1 Sol

GPT-6.1 Sol

OpenAI

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

Cursor Supported
BLACKBOX AI Supported
CLion Supported
Charlie Supported
Claude Code Supported
Claude Cowork Supported
Claude Security Supported
Claude for Legal Supported
IntelliJ IDEA Supported
JetBrains Junie Supported
Julia Supported
LaunchLemonade Supported
Lovable Supported
MyClaw Supported
Objective-C Supported
OpenClaw Supported
Verdent Supported
Visual Studio Code Supported
WebStorm Supported
XML Supported

Integrations

Cursor Supported
BLACKBOX AI Not Supported
CLion Not Supported
Charlie Not Supported
Claude Code Not Supported
Claude Cowork Not Supported
Claude Security Not Supported
Claude for Legal Not Supported
IntelliJ IDEA Not Supported
JetBrains Junie Not Supported
Julia Not Supported
LaunchLemonade Not Supported
Lovable Not Supported
MyClaw Not Supported
Objective-C Not Supported
OpenClaw Not Supported
Verdent Not Supported
Visual Studio Code Not Supported
WebStorm Not Supported
XML Not Supported
Claim Claude Fable 5.1 and update features and information
Claim Claude Fable 5.1 and update features and information
Claim Grok 5 and update features and information
Claim Grok 5 and update features and information