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Grok 3 Mini Beta Model Specs, Costs & Benchmarks (August 2025)

Grok 3 Mini Beta, developed by XAI, features a context window of 131.1K tokens. The model costs $0.30 per million tokens for input and $0.50 per million tokens for output. It was released on April 9, 2025, and has achieved impressive scores in various benchmarks.
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Overview

Grok 3 Mini BetaGrok 3 Mini Beta
Model Provider
The organization behind this AI's development
XAI logoXAI
Input Context Window
Maximum input tokens this model can process at once
131.1K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
Not specified
tokens
Release Date
When this model first became publicly available
April 9th, 2025

Pricing

Grok 3 Mini BetaGrok 3 Mini Beta
Input Token Cost
Cost per million input tokens
$0.30
per million tokens
Output Token Cost
Cost per million output tokens
$0.50
per million tokens

Capabilities & Features

Grok 3 Mini BetaGrok 3 Mini Beta
Input Types
Supported input formats
text
Output Types
Supported output formats
text
Tokenizer
Text encoding system
Grok
Key Features
Advanced capabilities
✓ Function Calling✓ Structured Output✓ Reasoning Mode

Benchmarks

Grok 3 Mini BetaGrok 3 Mini Beta
MMLU
Measures knowledge across 57 subjects like law, math, history, and science
Not available
MMMU
Measures understanding of combined text and images across various domains
Not available
HellaSwag
Measures common sense reasoning by having models complete sentences about everyday situations
Not available

Compare This Model

See how Grok 3 Mini Beta compares with other top models