Grok 4.6

Name: Grok 4.6
Author: xAI

xAI

xAI's frontier Grok model, tuned for long-running agents, coding, knowledge work, and visual projects.

View on models.dev

View on OpenRouter

Specs

Model

Family: Grok
Variant: 4.6
Weights: Proprietary

Limits

Context: 500,000 tokens
Max output: 500,000 tokens

Modalities

Input: Text Image PDF
Output: Text

Pricing

Input: $2 / 1M
Output: $6 / 1M
Cache read: $0.5 / 1M

Capabilities

Reasoning: Yes
Reasoning control: Effort levels
Tool calling: Yes
Attachments: Yes

Dates

Released: 12 Aug 2026
Knowledge cutoff: 1 Feb 2026

Articles

All articles

12 Aug 2026

Grok 4.6 – A field guide

Grok 4.6 is out! I've used it for a few weeks as my daily driver across the normal mix of coding and knowledge work, and built a few projects with it specifically to push on where it holds up.

eric zakariasson@ericzakariasson

x.com

12 Aug 2026

xAI

Introducing Grok 4.6

Grok 4.6 builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work.

xAI

x.ai

More from xAI

All models

Grok 4.5

xAI

xAI's Grok 4.5 flagship for chat, coding, and agentic tool use, with lower hallucination risk.

$2 / $6 per 1M · $0.3 cached 5w ago