Grok 4.20 is now available on Vercel AI Gateway in three variants: Reasoning, Non-Reasoning, and Multi-Agent. As xAI's newest flagship model, Grok 4.20 delivers industry-leading speed and agentic tool calling capabilities. It offers a low hallucination rate and strict prompt adherence, producing precise responses. Grok 4.20 Non-Reasoning : Non-reasoning variant optimized for speed and direct responses Grok 4.20 Reasoning : Extended thinking for complex problem-solving tasks Grok 4.20 Multi-Agent : Purpose-built for multi-agent orchestration and collaboration To use Grok 4.20, set model to xai/grok-4.20-non-reasoning-beta , xai/grok-4.20-reasoning-beta or xai/grok-4.20-multi-agent-beta in the AI SDK . import { streamText } from 'ai' ; const result = streamText ( { model : 'xai/grok-4.20-reasoning-beta' , prompt : ` Analyze this dataset for anomalies, cross-reference against our historical baselines, and generate a summary report with recommended actions.…