AI Model Releases

SpaceXAI's most powerful model for coding and knowledge work. Twice as fast, at half the price of comparable models.

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

Introducing our most capable speech-to-speech voice model.

Grok 4.5 is SpaceXAI's smartest model built for coding, agentic tasks, and knowledge work.

Improved quality at even faster speeds.

Launching the built-in plugin marketplace for Grok Build.

grok-imagine-video-1.5-preview, our latest image-to-video model, is now available via the xAI API in preview.

Now in early beta for all SuperGrok and X Premium Plus subscribers — Grok Build is a new coding agent that runs right from your terminal.

Higher realism. Stronger text rendering. Better creative control.

Our most capable voice agent is now available via API.

State-of-the-art video generation across quality, cost, and latency.

Bringing the power of Grok Voice to all developers.

Grok 4.1 is now available to all users on grok.com, 𝕏, and the iOS and Android apps. It is rolling out immediately in Auto mode and can be selected explicitly as “Grok 4.1” in the model picker.

Pushing the Frontier of Cost-Efficient Intelligence

We're thrilled to introduce grok-code-fast-1, a speedy and economical reasoning model that excels at agentic coding.

Model released as open weights by xAI on Hugging Face.

Grok 4 is the most intelligent model in the world. It includes native tool use and real-time search integration, and is available now to SuperGrok and Premium+ subscribers, as well as through the xAI API. We are also introducing a new SuperGrok Heavy tier with access to Grok 4…

We are thrilled to unveil an early preview of Grok 3, our most advanced model yet, blending superior reasoning with extensive pretraining knowledge.

We announce our new Grok-2 and Grok-2 mini models.

Connecting the digital and physical worlds with our first multimodal model.

Grok-1.5 comes with improved reasoning capabilities and a context length of 128,000 tokens. Available on 𝕏 soon.

Text generation model released as open weights by xAI on Hugging Face (library: grok, license: apache-2.0).

We are releasing the weights and architecture of our 314 billion parameter Mixture-of-Experts model Grok-1.