Grok 4.6
AvailablexAI's flagship model for coding, agentic tasks, and knowledge work.
Access details: xAI API
An alias. The provider can point it at a newer version.
grok-4.6Updated Sep 23, 2026
Capabilities & limits
- Context window
- 500K
- Maximum output
- 500K
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Supported
Pricing
USD / 1M tokens- Input
- $2.00
- Output
- $6.00
Standard rates per million tokens. Discounts and long-context rates, where offered, are on xAI's pricing page.
Full rate card 6 rates
All prices in USD.
Short-context input
$2.00 USD per 1M tokens- prompt below 200k tokens
Short-context cache read
$0.50 USD per 1M tokens- prompt below 200k tokens
- cache hit
Short-context output
$6.00 USD per 1M tokens- prompt below 200k tokens
Long-context input
$4.00 USD per 1M tokens- prompt at or above 200k tokens
- rate applies to all tokens in request
Long-context cache read
$1.00 USD per 1M tokens- prompt at or above 200k tokens
- cache hit
- rate applies to all tokens in request
Long-context output
$12.00 USD per 1M tokens- prompt at or above 200k tokens
- rate applies to all tokens in request
Standard global Text API rates; regional availability and team limits may vary. Batch API is not supported for Grok 4.6.
Price history
Sep 13, 2026
Input $2.00 per million tokens
Oct 20, 2026
Input $2.00 per million tokens
Sep 13, 2026
Output $6.00 per million tokens
Oct 20, 2026
Output $6.00 per million tokens
Technical details
- Parameters
- Not published
- Active parameters
- Not published
- Architecture
- Not published
- Training / knowledge cutoff
- February 1, 2026
- Input modalities
- Text, image
- Output modalities
- Text
From xAI
Official announcement ↗How they describe it
SpaceXAI's frontier model for coding, agentic tasks, and knowledge work.
What they say is new
builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work
Release & lifecycle
- First available
- Aug 12, 2026
- available
- As of Sep 13, 2026
- available
- As of Oct 20, 2026