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Model And Product Updates

Introducing Grok 4.6

02:00 · August 12, 2026 · Cursor Blog

Introducing Grok 4.6

Built for long-running agents and more ambitious interactive and visual work.

Summary

SpaceXAI has released Grok 4.6, an update to its prior model that emphasizes sustained performance on multi-step agent workflows. The system is designed to maintain coherence across extended sequences of actions, such as exploring unfamiliar technical domains, structuring codebases, or iteratively refining interactive prototypes into functional applications. It builds directly on Grok 4.5 through an extended supplemental training phase that incorporated curated reasoning data, engineering traces, and an improved optimizer before proceeding to supervised fine-tuning and reinforcement learning stages.

On agentic coding and knowledge-work benchmarks, Grok 4.6 reaches parity with GPT-5.6 Sol on the Artificial Analysis Intelligence Index, a composite metric spanning nine evaluations. The model shows particular strength in generating initial versions of visual and interactive projects from high-level product descriptions, establishing both structural and visual foundations in a single pass before incorporating feedback. Longer trajectories also exhibit increased self-verification, with the model checking intermediate outputs before advancing.

Grok 4.6 is accessible through Cursor and Grok Build, where initial usage is doubled for the first week, as well as via the SpaceXAI API and partner platforms including OpenRouter, Vercel, and Cloudflare. Pricing begins at two dollars per million input tokens and six dollars per million output tokens, with a faster variant offered at double those rates. The accompanying safety measures have been recalibrated to the model’s expanded capabilities, supported by broader pre-deployment testing and third-party post-deployment review to balance utility with controlled behavior in areas such as code maintenance and engineering workflows.

Why it matters

This update is highly relevant for product teams and builders as it introduces a powerful new model for agentic coding and rapid application prototyping. Dutch AI practitioners can leverage Grok 4.6 via Cursor or APIs to accelerate software development and build complex, multi-step AI agents.

More in this beat
agentic-workflowscoding-agentscursorGrok 4.6grok-buildspacexaixai
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