Grok 3 Mini Beta is an early-stage variant of xAI's Grok 3 Mini reasoning model, offering the same visible reasoning tokens in a beta form. It supports adjustable reasoning effort for tuning depth, structured data generation, external tool integration, and step-by-step reasoning across a 131k token context window. The model targets cost-conscious agentic systems that want reasoning transparency without the overhead of larger models. The beta designation reflects that xAI was still refining its lightweight reasoning approach based on real-world usage. It gives early adopters access to the same core advantages as the released model: inspectable thinking tokens, adjustable reasoning effort, and agentic capabilities through tool calling and function specification.
Grok 3 Mini Beta runs on 1 route through the Opper gateway. Compare residency, ZDR, and training posture at a glance — full data-handling detail per route below.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| US | Enterprise | No | $0.30 | $0.50 |
Grok 3 Mini Beta runs on a single route through the Opper gateway today, so its availability is that provider's availability.
Name a second model in the same request and the gateway tries it on retriable errors, so a busy hour never has to reach your users. Set up a fallback chain.
Measured over the last 30 days from each provider's official status feed via StatusGator. Refreshed hourly. See uptime for every provider Opper monitors.
Each route hosting Grok 3 Mini Beta 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.
Call Grok 3 Mini Beta through the Opper gateway with one API key. Let your coding agent set it up, or call it directly — Opper is drop-in compatible with the OpenAI, Anthropic, and Google AI SDKs.
Copy this and paste it into a coding agent like Claude Code, Cursor or Codex 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.ai/v3/compat",});const completion = await client.chat.completions.create({model: "xai/grok-3-mini-beta",messages: [{ role: "user", content: "Hello" }],});console.log(completion.choices[0].message.content);
Side-by-side on privacy, EU hosting, pricing, and benchmarks.
