What is Grok 4.6 and How to Use It
SpaceXAI’s Grok 4.6 is built for long-running agents and visual work. It is in Cursor, Grok Build, and the API — not only a sarcastic chatbot on X.
Earlier snapshot: What is Grok and how to use it.
Grok is xAI’s assistant (the company now ships as SpaceXAI). The current model is Grok 4.6, released 12 Aug 2026. The launch post is about long-running agents and interactive visual work, not “Fun Mode versus Regular Mode.”
What 4.6 is for
Grok 4.6 is trained to stay on a task across many steps: research, a codebase, or turning a product idea into a working first version. SpaceXAI’s evals put it next to GPT-5.6 Sol and Anthropic’s Fable 5 on agentic coding and knowledge-work benches. Treat those as vendor numbers; our matrix is the feature truth.
The product tagline we track is still right: real-time knowledge from X, plus reasoning. That is the one job Grok still wins when the question is “what is happening right now.”
Where to actually use it
- Cursor and Grok Build — the launch surfaces for 4.6.
- API — from $2 / $6 per million input/output tokens, plus a faster 2×-price variant. Also on OpenRouter, Vercel, and Cloudflare.
- grok.x.ai — the chat product. Our matrix lists it as paid (no free row).
If you only open Grok from the X sidebar, you are on the consumer chat, not the agent SKU developers are talking about.
How it compares
Grok is not the default pick for a 1M-token paste (Claude and Gemini win that) or for a cited research answer (Perplexity). It is the pick when you want X-native news plus an agent that will keep going.
Feature rows: /tools/grok.