Grok 4.6

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

ChatxAI500k tokens$2.1801 / $6.5404 · 1M

x-ai/grok-4.6

Context
500k tokens
Completion cap
—
Tools
Yes
JSON
Yes
Released
2026-08-12

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.6",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Grok 4.6?
Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM. Grok 4.6 runs on the Geek Hub API (OpenAI-compatible). Model id: x-ai/grok-4.6.
Is Grok 4.6 free?
No. Input is $2.1801 per 1M tokens and output is $6.5404 per 1M tokens on Geek Hub (markup included).
What is the context length of Grok 4.6?
Grok 4.6 has a 500k tokens context window.
Does Grok 4.6 support tool calling and structured outputs?
Grok 4.6 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.
When was Grok 4.6 released?
Grok 4.6 was released on 2026-08-12.

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