Grok 3 Mini Beta vs o4 Mini Deep Research (Comparative Analysis)

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Comparative Analysis: Grok 3 Mini Beta vs. o4 Mini Deep Research

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Overview

Grok 3 Mini Beta was released 6 months before o4 Mini Deep Research.

	Grok 3 Mini Beta	o4 Mini Deep Research
Model Provider The organization behind this AI's development	XAI	OpenAI
Input Context Window Maximum input tokens this model can process at once	131.1K tokens	200K tokens
Output Token Limit Maximum output tokens this model can generate at once	Not specified tokens	100K tokens
Release Date When this model first became publicly available	April 9, 2025 7 months ago April 9th, 2025	October 10, 2025 1 month ago October 10th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities

	Grok 3 Mini Beta	o4 Mini Deep Research
Input Types Supported input formats	📝Text	📁File🖼️Image📝Text
Output Types Supported output formats	📝Text	📝Text
Tokenizer Text encoding system	Grok	GPT
Key Features Advanced capabilities	✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation	✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation

Pricing

Grok 3 Mini Beta is roughly 0.1x less expensive compared to o4 Mini Deep Research for input tokens and roughly 0.06x less expensive for output tokens.

	Grok 3 Mini Beta	o4 Mini Deep Research
Input Token Cost Cost per million input tokens	$0.30 per million tokens	$2.00 per million tokens
Output Token Cost Cost per million outut tokens	$0.50 per million tokens	$8.00 per million tokens

Benchmarks

Compare relevant benchmarks between Grok 3 Mini Beta and o4 Mini Deep Research.

	Grok 3 Mini Beta	o4 Mini Deep Research
MMLU Measures knowledge across 57 subjects like law, math, history, and science	Benchmark not available.	Benchmark not available.
MMMU Measures understanding of combined text and images across various domains	Benchmark not available.	Benchmark not available.
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations	Benchmark not available.	Benchmark not available.

At a Glance

Quick overview of what makes Grok 3 Mini Beta and o4 Mini Deep Research unique.

Grok 3 Mini Beta by XAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 131.1K token context window. Very affordable at $0.30/M input and $0.50/M output tokens. Released April 9th, 2025.

o4 Mini Deep Research by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Reasonably priced at $2.00/M input and $8.00/M output tokens. Includes built-in content moderation for safer outputs. Released October 10th, 2025.