[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]

![TheRundownAI Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::731917653506318336.png) The Rundown AI [@TheRundownAI](/creator/twitter/TheRundownAI) on x 200.9K followers
Created: 2025-07-10 08:11:09 UTC

Elon Musk's xAI released Grok X and X Heavy models. Key highlights:

— SOTA on Humanity's Last Exam, Arc-AGI-2, AIME, and more
—128-token context window
—News voices with improved latency, vision support
—Multiple agents in X Heavy for complex tasks


![](https://pbs.twimg.com/amplify_video_thumb/1943163006214639616/img/QaqH0b6Tbr_O3He5.jpg)

XXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1943221439772942452/c:line.svg)

**Related Topics**
[context window](/topic/context-window)
[xai](/topic/xai)
[elon musk](/topic/elon-musk)
[coins ai](/topic/coins-ai)

[Post Link](https://x.com/TheRundownAI/status/1943221439772942452)