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Gemma 3 12B vs Grok 4 Fast (Comparative Analysis)

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Comparative Analysis: Gemma 3 12B vs. Grok 4 Fast
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Overview

Gemma 3 12B was released 6 months before Grok 4 Fast.
Gemma 3 12BGemma 3 12B
Grok 4 FastGrok 4 Fast
Model Provider
The organization behind this AI's development
Google logoGoogle
XAI logoXAI
Input Context Window
Maximum input tokens this model can process at once
96K
tokens
2M
tokens
Output Token Limit
Maximum output tokens this model can generate at once
8.2K
tokens
30K
tokens
Release Date
When this model first became publicly available
March 13th, 2025
September 19th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Gemma 3 12B
Grok 4 Fast
Input Types
Supported input formats
📝Text🖼️Image
📝Text🖼️Image
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
GeminiGrok
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Proprietary

Pricing

Gemma 3 12B is roughly 0.2x less expensive compared to Grok 4 Fast for input tokens and roughly 0.3x less expensive for output tokens.
Gemma 3 12BGemma 3 12B
Grok 4 FastGrok 4 Fast
Input Token Cost
Cost per million input tokens
$0.04
per million tokens
$0.20
per million tokens
Output Token Cost
Cost per million outut tokens
$0.14
per million tokens
$0.50
per million tokens

Benchmarks

Compare relevant benchmarks between Gemma 3 12B and Grok 4 Fast.
Gemma 3 12BGemma 3 12B
Grok 4 FastGrok 4 Fast
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 Gemma 3 12B and Grok 4 Fast unique.
Google logoGemma 3 12B by Google understands both text and images, generates structured data. It can handle standard conversations with its 96K token context window. Very affordable at $0.04/M input and $0.14/M output tokens. Released March 13th, 2025.
XAI logoGrok 4 Fast by XAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 2M token context window. Very affordable at $0.20/M input and $0.50/M output tokens. Released September 19th, 2025.

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