xAI

SpaceXSI builds Grok, an AI chatbot with voice chat, image and video generation, real-time search, and advanced reasoning. Try Grok at grok.com.

Popular posts: 8
Total points: 3,158
HN comments: 3,899
Rank: #370 company

Visit x.ai → On Hacker News May 2024 – Sep 2026

AI & Machine Learning 8 Tech Industry & Business 6 Tools & Productivity 1 Software Engineering 1

Most points Most discussed Most cited Newest

Grok 4.5

2026776 points1,501 comments AI & Machine Learning details

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

Grok 4.6

2026632 points613 comments AI & Machine Learning details

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

Grok 4.7

2026609 points540 comments AI & Machine Learning details

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

Grok-2 Beta Release

2024226 points333 comments AI & Machine Learning details

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

xAI announces series B funding round of $6B

2024163 points271 comments AI & Machine Learning details

xAI is pleased to announce our series B funding round of $6 billion.

Grok 4.1

2025140 points128 comments AI & Machine Learning details

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.