Grok 4.6

Closed Active Multimodal grok-4-6

Grok 4.5 follow-up focused on long-running agents and interactive/visual work, with 500K context.

Released
Aug 12, 2026
Context window
500K tokens
Max output
Not disclosed
Parameters
Not disclosed
Input price
$2.00 per 1M
Output price
$6.00 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceAug 12, 2026
$2.00 in / $6.00 out
Current price since Aug 12, 2026
$2.00 in / $6.00 out
Cached input $0.50 per 1M

Specifications

Developer
xAI
Model type
Multimodal
Architecture
Not disclosed
Parameters
Not disclosed
Input
Text Image
Output
Text
Knowledge cutoff
Feb 2026
License
Proprietary
API access
First-party API
Capabilities
Agentic Coding Flagship Reasoning Tool use