Answer · Writing
What AI models does Grok use?
Grok runs on grok-4.5 (xAI), grok-4.6 (xAI), grok-imagine-image (xAI), grok-imagine-image-2.0 (SpaceXAI), grok-imagine-image-quality (xAI), grok-imagine-video (xAI) and grok-imagine-video-1.5 (SpaceXAI), and routes requests between them.
- Models used
- 7
- Primary model
- grok-4.5
- Public API
- Yes
- Last checked
- 2026-09-12
Model claims are labelled by how we know them: grok-4.5 — disclosed, grok-4.6 — disclosed, grok-imagine-image — disclosed, grok-imagine-image-2.0 — disclosed, grok-imagine-image-quality — disclosed, grok-imagine-video — disclosed and grok-imagine-video-1.5 — disclosed. "Disclosed" means the vendor says so in public; "inferred" means it was derived from documentation, headers or release notes.
Context window: 500000.
Other stack signals: azure-ai-foundry, oracle-cloud, google-cloud-vertex-ai, amazon-bedrock, databricks and github-copilot.
Cite this answer
Tomorrow. “What AI models does Grok use?” Tomorrow AI & Emerging Tech Index, AlienSquad, updated 2026-09-12. https://tomorrow.aliensquad.ai/q/what-models-does-grok-use
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