Pricing & Availability - Grok 4 Fast is temporarily FREE on OpenRouter and Vercel AI Gateway [1] - Grok 4 Fast is generally available via the xAI API [1] - xAI API pricing starts at $0.20 per 1 million input tokens [1] - xAI API pricing starts at $0.50 per 1 million output tokens [1]

The model is generally available via the xAI API, priced at $0.20 / 1M input tokens, $1.50 / 1M output tokens, and $0.02 / 1M cached tokens.https://t.co/4DR0iniFqm ...

RT Tetsuo (@tetsuoai)GrokPromptFun uses the xAI API to analyze images and provide optimized prompts for Grok Imagine. You can also enter brief image descriptions and get improved Imagine prompts.Entire webpage was built using Grok 4!It's free to use. https://t.co/f4ybSDaZS7 ...

Create an xAI API Key: https://t.co/4DR0iniFqm ...

We’re thrilled by the overwhelming demand for Grok 4 through the xAI API.To support our API customers, we’ve increased the default rate limits for Grok 4. Happy building! ...

Product Update - xAI API 通过 Live Search 功能变得更智能，能够搜索互联网实时数据和热点新闻 [1] - Live Search API 目前处于 Beta 阶段，限时免费提供给开发者使用 [1] Technology and Innovation - Grok 现在可以搜索来自互联网的实时数据，包括趋势新闻等 [1] Call to Action - 鼓励开发者开始使用 Live Search API 进行构建 [1]

Product Launch - xAI API 上 Grok 3 已上线，可在 Vercel, Cursor, Windsurf 等开发工具中使用 [1] Access Information - 可通过 https://t.co/m9eP2uTHPd 访问 Grok 3 [1]