Grok 3 Mini Beta

Grok 3 Mini is a lightweight, smaller thinking model. Unlike traditional models that generate answers immediately, Grok 3 Mini thinks before responding. It’s ideal for reasoning-heavy tasks that don’t demand...

by xAI

Overview

Quick stats across all benchmark runs.

Score

—

8 benchmarks

Avg Latency

23.3s

12 requests

Pricing

$0.30 in / $0.50 out

per 1M tokens

Context

131K

tokens

Alternatives

Models with similar or better quality but different tradeoffs

No alternatives found

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Benchmark Performance

How this model performs across different benchmarks

No benchmark data available

Run benchmarks with this model to see performance breakdown

Price vs Performance

Compare cost efficiency across all models

Current model (baseline)

Other models (relative score)

Y-axis shows score difference from shared benchmarks. X-axis uses log scale.

Score Over Time

Performance trends across all benchmark runs

Benchmark Activity

Number of benchmark runs over time

Quickstart

View on OpenRouter

Get started with this model using OpenRouter

import { OpenRouter } from "@openrouter/sdk";

const openrouter = new OpenRouter({
  apiKey: "<OPENROUTER_API_KEY>"
});

const completion = await openrouter.chat.completions.create({
  model: "x-ai/grok-3-mini-beta",
  messages: [
    {
      role: "user",
      content: "Hello!"
    }
  ]
});

console.log(completion.choices[0].message.content);

Get your API key at openrouter.ai/keys

Other Models from xAI

Compare performance with other models from the same creator

Model	Latency	Cost/1M	Score
Grok 4.3	6.4s	$1.88	47%
Grok 4.1 Fast	14.2s	$0.35	20%
Grok 3 Mini	22.0s	$0.40	—
Grok 3	24.7s	$9.00	—
Grok 3 Beta	26.8s	$9.00	—
Grok 4 Fast	18.3s	$0.35	—
Grok Code Fast 1	16.1s	$0.85	—
Grok 4.20 Multi-Agent	—	$4.00	—
Grok 4	43.0s	$9.00	—
Grok 4.20	2.5s	$1.88	—