G4
ENT-00002974 · AI Model

Grok 4

Grok 4 is the xAI model generation introduced in 2025 and extended through Grok 4.5 and Grok 4.6 in 2026, with increasing emphasis on coding, knowledge work and long-running agents.

Level V PersistentActiveStructured
Human record

Overview

The Grok 4 family began with Grok 4 in July 2025 and evolved through Grok 4.1, Grok 4.5 and Grok 4.6. Grok 4.5 launched July 16, 2026 for coding, agentic tasks and knowledge work; Grok 4.6 followed August 12 with further focus on long-running agents and interactive/visual work.

Timeline

  1. 2025-07-09Grok 4 released

    xAI released Grok 4.

  2. 2025-11-17Grok 4.1 released

    xAI released Grok 4.1.

  3. 2026-07-16Grok 4.5 released

    xAI released Grok 4.5 for coding, agentic tasks and knowledge work.

  4. 2026-08-12Grok 4.6 released

    xAI released Grok 4.6 with a focus on long-running agents and ambitious interactive and visual work.

Capabilities

Reasoning and knowledge workCoding and software-engineering tasksTool use and agentic workflowsLong-running multi-step tasksInteractive and visual work in current 4.x releasesReal-time/search integration on supported xAI surfaces

Known limitations

Capabilities and context limits differ across Grok 4.x revisions.xAI product integrations and partner deployments can expose different features.Benchmark comparisons are time-sensitive and deployment-specific.
Technical and structured detail

Technical description

Current family-level record for xAI’s Grok 4 generation. Grok 4.5 and 4.6 are later revisions in the family; 4.6 is documented with a 500K context and emphasis on sustained tool-using agent workflows. Availability and exact model IDs vary across xAI product and partner deployments.

Controlled tags

AI ModelCurated CorePrimary Sources
Relationship graph

Grok 4

Open in full graph
Grok 4
Organization ContextOutgoing
xAI

xAI is the primary organization associated with Grok 4.

Current model familyIncoming
Grok

Grok assistant is connected to the Grok 4 model generation and later Grok 4.x revisions.

Machine readable layer

Structured entry data for human tools, AI systems and machine clients.

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