Grok Live Search grounds output in fresh web/X/news inside one API call. Whitelist sources, set max results, get inline citations.
Grok-2 Vision handles images via OpenAI-compat chat.completions. Pass URL or base64. UI critique, screenshot QA, OCR, chart reading.
xAI Grok API is OpenAI-compatible at api.x.ai/v1. Swap base URL + key, keep the SDK. Grok-3, Grok-2 Vision, 1M-token context.