Coding Model · xAI

Grok 4.6

Grok 4.6 is xAI's recommended model, released August 12, 2026 with a 500K-token context window, and the default in the Grok Build harness. TeamDay runs it headless with streaming JSON events and session resume, billed through the connected xAI account or API key.

At a glance (verified 2026-09-02)

Vendor
xAI
Type
Coding Model
Context window
500K tokens
Pricing
$2 input / $0.50 cached input / $6 output per 1M tokens (doubled above 200K context); uses the connected xAI account or XAI_API_KEY.

Best for

Grok-backed coding missionsAlternate model reviewFast CLI-driven repairsLong-context (500K) work

How to use Grok 4.6 in TeamDay

Pick Grok 4.6 in TeamDay's chat model picker on the Grok Build harness — it is now the recommended xAI model, replacing Grok 4.5.

Frequently asked questions

How much does Grok 4.6 cost?

$2 per 1M input tokens, $0.50 for cached input, and $6 per 1M output tokens; prices double for requests above 200K context. Billed through your connected xAI account or XAI_API_KEY.

What is Grok 4.6's context window?

Grok 4.6 has a 500K-token context window; pricing doubles above 200K context.

Should I use Grok 4.6 or Grok 4.5?

Grok 4.6 is xAI's recommended model and Grok Build's default since August 12, 2026. Grok 4.5 stays available at $2 input / $0.30 cached / $6 output per 1M tokens.

How do I run Grok 4.6 in TeamDay?

Select it on the Grok Build harness in the chat model picker; TeamDay runs the xAI CLI headless with streaming JSON events and session resume.

Related

Grok 4.6is one of the models TeamDay's AI employees already run — no API keys, no infrastructure.

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