Grok 4.6
AvailablexAI's flagship model for coding, agentic tasks, and knowledge work.
Access details: xAI API
Undated identifier · Identity and lifecycle apply to this exact identifier and serving surface.
grok-4.6Capabilities & limits
- Context window
- 500K
- Maximum output
- Not verified
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Supported
Documented interfaces and limits. These are not measures of model quality.
Pricing
USD / 1M tokens- Input
- $2.00Derived from the captured rate card's standard token row.
- Output
- $6.00Derived from the captured rate card's standard token row.
USD per million standard text tokens. Detailed cache, batch and other pricing conditions appear in the rate card.
Full rate card 6 rates
Amounts in USD. Check the unit and conditions on each rate.
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
Input $2.00 per million tokens
Derived from the captured rate card's standard token row.
Output $6.00 per million tokens
Derived from the captured rate card's standard token row.
Technical details
- Training / knowledge cutoff
- February 1, 2026
- Input modalities
- text, image
- Output modalities
- text
3 details not verified
- Parameters
- Active parameters
- Architecture
500,000-token context. No text output limit. Reasoning low, medium, high, or xhigh; default high.
From xAI
Official announcement ↗How they describe it
SpaceXAI's frontier model for coding, agentic tasks, and knowledge work.
What they say is different
builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work
Verbatim provider claims · not an independent assessment
Release & lifecycle
Availability applies to this exact identifier on xAI API.
- First API availability
- Aug 12, 2026
- available
- Observed Sep 13, 2026