xAI / SpaceX Super Intelligence
The Grok model family began at xAI. SpaceX acquired xAI in February 2026. The current company site and service terms use SpaceX Super Intelligence. This page retains xAI in its name so readers can connect earlier releases with the current provider.
Models & tools
A text-and-image reasoning model with tool calling and structured output.
Launch date not confirmedAPIGrok 4.5 supports text and image input, reasoning and tool use.
Launch date not confirmedAPIGrok 4.6 is a text-and-image reasoning API with a 500,000-token context and configurable reasoning effort.
Launch date not confirmedAPIGrok 4.3 combines a one-million-token context with text and image input.
Launch date not confirmedAPIGrok Build 0.1 is the coding-focused API model behind the current Grok Code Fast aliases.
Launch date not confirmedAPIA research-oriented Grok service that uses multiple agents in parallel.
Launch date not confirmedPreviewAPI- Grok Imagine Image 2.0
xAI / SpaceX Super Intelligence · Grok Imagine
An image-generation model that accepts text prompts and reference images.
Launch date not confirmedAPI - Grok Imagine Video
xAI / SpaceX Super Intelligence · Grok Imagine
A video-generation model that accepts text, images and existing video.
Launch date not confirmedAPI - Grok Imagine Video 1.5
xAI / SpaceX Super Intelligence · Grok Imagine
Imagine Video 1.5 generates video from text or image input through a named API endpoint.
Launch date not confirmedAPI - Grok Imagine Video 1.5 Lite
xAI / SpaceX Super Intelligence · Grok Imagine
A smaller Imagine Video 1.5 model that generates video from text or image input.
Launch date not confirmedAPI A Grok 4.20 model without reasoning that supports image input, structured output and function calling.
Launch date not confirmedAPIA Grok 4.20 reasoning model that accepts text and images and generates text.
Launch date not confirmedAPI- Grok Imagine Image
xAI / SpaceX Super Intelligence · Grok Imagine
An earlier Imagine image-generation model that accepts text and image input.
Launch date not confirmedAPI - Grok Voice 3.0
xAI / SpaceX Super Intelligence · Grok Voice
A real-time speech model with turn detection and tool use.
Launch date not confirmedAPI A speech-transcription model for more than 38 languages with file and streaming-audio input.
Launch date not confirmedAPIGrok-1 is a 314-billion-parameter mixture-of-experts release.
Launch date not confirmedDownloadableA post-trained text model from the 2024 Grok family with downloadable weights.
Launch date not confirmedDownloadable