Grok 4.20 0309 Non-Reasoning is the speed-optimized variant of xAI's March 2026 Grok 4.20 generation, built on a native multi-agent architecture in which several specialized agents work in parallel on a shared backbone and synthesize an answer. This variant skips explicit chain-of-thought, returning direct responses for latency-sensitive applications. It accepts text and image input and supports native tool use and structured outputs across a 1 million token context window, with real-time integration of X data. The multi-agent design aims to reduce factual errors compared to single-pass approaches, while the non-reasoning mode keeps time-to-first-token low for interactive systems. Grok 4.20 was released in March 2026 as xAI's first multi-agent generation. The non-reasoning variant is the performance-oriented path for this architecture when you prioritize response speed over visible reasoning steps.
Grok 4.20 0309 Non Reasoning runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance β full data-handling detail per route below.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| US | Enterprise | No | $1.25 | $2.50 |
Training posture across routes: No training on prompts by default.
Each route hosting Grok 4.20 0309 Non Reasoning has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.
Zero data retention is available via Opper Enterprise contract. No training on customer data. US; SCCs; DPA available.
Independent benchmark scores β composite indices for reasoning, coding, and math, plus individual eval scores where available.
Call Grok 4.20 0309 Non Reasoning through the Opper gateway with one API key. Let your coding agent set it up, or call it directly β Opper is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs.
Copy this and paste it into your coding agent β Claude Code, Cursor, Codex, and more β and it'll wire up Opper for you.
import OpenAI from "openai";const client = new OpenAI({apiKey: process.env.OPPER_API_KEY,baseURL: "https://api.opper.click/v3/compat",});const completion = await client.chat.completions.create({model: "xai/grok-4.20-0309-non-reasoning",messages: [{ role: "user", content: "Hello" }],});console.log(completion.choices[0].message.content);
Side-by-side on privacy, EU hosting, pricing, and benchmarks.
