Try Grok 4.20 on AI Gateway
Grok 4.20 just landed on Vercel's AI Gateway. Three variants. Multi-agent mode. Here's what that means for your stack.
Why it matters
xAI's latest flagship model is now accessible via Vercel's unified API layer, expanding distribution channels for Grok and giving developers standardized access to reasoning, speed-optimized, and multi-agent variants without managing separate integrations.
The key facts
6 to knowGrok 4.20 available in three variants: Reasoning, Non-Reasoning, Multi-Agent
xAI flagship model emphasizes low hallucination rate and strict prompt adherence
Integrated into Vercel AI Gateway for unified API, usage tracking, cost monitoring, and automatic failover
Built-in observability and Bring Your Own Key support
Model leaderboard and playground access available
Published March 11, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Grok 4.20 is now available on 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…