going live! 🍫🍫🍫

Let's go!!!!!

People have been wondering which model will be the first to reach a 1400 Elo score; no one believed it would be Grok one year ago, but @xAI made it happen!

Have been post training Grok 3 for a while, with the most hardworking and smartest people xAI ! 🍫🍫 More to come

Grok 3を先ほど公開しました！ 世界最強のモデルとして、推論能力 (Reasoning)、調査能力 (DeepSearch)も兼ね備え、登場です！ @xAIの素晴らしいメンバーと一緒に開発しました！ ぜひお使いください！

Yesterday we discovered a bug that caused many people to get answers from Grok 2 instead of Grok 3 even though it said Grok 3 in the app 😬 Please give Grok 3 another chance if you found it to be underwhelming the last time. Now available for free.

It's free now - try the smartest AI!

Boris, check out our mini model numbers, it surpassed o3mini high in all AIME 2024, GPQA, and LCB for pass@1. Generally I also don’t think our current benchmarks capture enough of the model intelligence. Our big Grok3 is worse on pass@1, but in our testing we can feel a smarter

@xAI has acquired X in an all-stock transaction. The combination values xAI at $80 billion and X at $33 billion ($45B less $12B debt). Since its founding two years ago, xAI has rapidly become one of the leading AI labs in the world, building models and data centers at

We've just released grok studio - it lets you collaborate with Grok on text documents, run code, make browser games. Let me know if you find any issues!

Meet the Grok 3 family, now on our API! Grok 3 Mini outperforms reasoning models at 5x lower cost, redefining cost-efficient intelligence. Grok 3, the world's strongest non-reasoning model, excels in tasks that need real world knowledge like law, finance, and healthcare.

Grinding on @Grok all night with the @xAI team. Good progress. Will be called Grok 4. Release just after July 4th. Needs one more big run for a specialized coding model.

be there tonight! 🚀

this is so cool! try it on the Grok app

Introducing Grok Code Fast 1, a speedy and economical reasoning model that excels at agentic coding. Now available for free on GitHub Copilot, Cursor, Cline, Kilo Code, Roo Code, opencode, and Windsurf. x.ai/news/grok-code…

The start of a new model line - Grok Code series. This time we focus on speed. It’s a very new experience when the model is super fast. Try it out, it’s free for 7 days on the major platforms.

Grok Code just hit #1 on the OpenRouter leaderboard, beating Claude Sonnet

>50% of the coding market on OpenRouter Join us to improve Grok Code further! job-boards.greenhouse.io/xai/jobs/48000…

Introducing Grok 4 Fast, a multimodal reasoning model with a 2M context window that sets a new standard for cost-efficient intelligence. Available for free on grok.com, grok.x.com, iOS and Android apps, and OpenRouter. x.ai/news/grok-4-fa…