Wes Roth

Grok 4.6 is Fable now

Aug 13, 2026 18 min
grok 4.6xaiagentic ailarge language models
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Summary

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Grok 4.6 has been released, showing performance metrics comparable to top-tier models like Fable 5 Max. The release highlights Grok's rapid development cycle and the integration of 'Grok Bot' agents that can perform tasks autonomously on virtual machines.

This video details the launch of Grok 4.6, which marks a significant performance milestone, as its benchmark results are now neck-and-neck with the leading models from OpenAI and Anthropic. The creator discusses how this release represents a mature iteration of the model, benefiting from a longer supplemental training process using data from the company's recent acquisition of Cursor. A core part of the video is a demonstration of 'Grok Bot', an agent-based system designed to act as a digital collaborator. The demo showcases the bot's ability to navigate a virtual desktop environment, execute tasks like playing a game or monitoring news, and use text-to-speech to communicate. Looking ahead, the video highlights Elon Musk's statements regarding the upcoming 4.7 release, which is expected to outperform all current models within 3-4 weeks, alongside the broader roadmap that includes the release of Grok 5 by the end of the year.

Verdict

Grok 4.6
large language model · $2 per million input tokens, $6 per million output tokens

Grok 4.6 is a powerful, competitive model that demonstrates a high degree of capability in both reasoning and agentic tasks.

Depends

Pros

  • Benchmark performance is competitive with industry-leading models. 0:12
  • Grok Bot enables autonomous task execution on virtual machines. 16:43
  • 'Teach a task' feature allows for simple training of AI agents. 11:27

Cons

  • The model's conversational style can be quirky and sometimes uses memes. 16:09

Specs

Base Model Size 1.5 trillion parameters 0:53

Compared to

  • Fable 5 Max

    Benchmarks show Grok 4.6 performing at a similar, competitive level.

Best for

  • AI developers
  • power users
  • people looking for automated digital labor

Not for

  • users seeking standard professional chat assistance

Key Points

  • 0:43 The performance jump from 4.5 to 4.6 is attributed to a significantly longer supplemental training run.
  • 4:13 Demonstration of Grok Bot autonomously playing a simplified clone of Portal 2.
  • 8:21 Pricing for Grok 4.6 starts at $2 per million input tokens and $6 per million output tokens.
  • 11:27 Features like 'Teach a task' allow the bot to learn from user actions on a virtual machine.
  • 11:59 Elon Musk claims Grok 4.7 will exceed the performance of all current models, with a planned release in 3-4 weeks.
  • 15:07 Overview of Grok Bot as a team of autonomous agents capable of independent desktop tasks.
  • Grok 4.6 is released, showing benchmark performance rivaling Fable 5 Max.

Worth watching if: You are interested in the rapid evolution of large language models and want to see practical demonstrations of agentic AI systems working on desktop environments. This is particularly relevant for users following the competitive dynamics between xAI, OpenAI, and Anthropic.

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