Grok 3

Grok 3

Description of Grok 3 Neural Network

Grok 3 is a family of multimodal AI models developed by xAI (Elon Musk's project). The flagship model was introduced in February 2025 and trained on the Colossus supercomputer using about 200,000 GPUs. The family includes full-featured versions with a reasoning mode, lightweight variants for quick responses, and specialized agents for developers.

Grok 3 models support text and image processing, with a context window of up to 128,000 tokens in the base version and up to 2 million tokens in later iterations. The tool is available via API and web interface and is designed for programming, logical reasoning, data analysis, and content generation tasks. The model is distributed under a freemium model.

Characteristics of Grok 3

Characteristic	Value
Type	Multimodal model
Developer	xAI
Release date	February 16, 2025
Last update	—
Context window	128.0K tokens
Max input tokens	128.0K
Max output tokens	8.0K
License	proprietary
Average score	83.8%
Knowledge cutoff	November 1, 2024
Multimodality	Yes
ZeroEval	Yes
Price (input)	$3.00 per 1M tokens
Price (output)	$15.00 per 1M tokens
Supported capabilities	Function Calling, Structured Output, Code Execution, Web Search, Batch Inference, Fine-tuning

Who is Grok 3 suitable for?

Developers and programmers

Grok 3 is suitable for developers working with various programming languages. The model demonstrates strong results in coding tasks and supports code execution, function calling, and IDE integration. This makes it a useful tool for writing, debugging, and refactoring code.

Researchers and analysts

Thanks to multimodality and support for working with documents, diagrams, charts, and images, the model can be used by researchers and analysts for data analysis, interpreting visual information, and logical reasoning.

Users who value speed

For those who do not need the full range of capabilities of the flagship version, there is a lightweight version, Grok 3 Mini. It is optimized for quick responses and is suitable for everyday information retrieval and simple tasks.

How to use Grok 3?

Via the xAI API

Grok 3 is available through the xAI API. Developers can integrate the model into their applications using the official documentation. The API supports Function Calling, Structured Output, Code Execution, Web Search, Batch Inference, and Fine-tuning.

Via the web interface

The model is available through a chat interface where users can enter queries or upload data. The interface supports multimodal input: text, voice, and images. Built-in internet search provides up-to-date information.

Via third-party services

Some third-party services provide access to xAI models in regions with limited direct availability. This can be convenient for users in certain locations.

Core Functions of Grok 3

Multimodality

Grok 3 can process text and images simultaneously. The model can analyze documents, diagrams, charts, screenshots, and photos, and answer questions about visual content.

Logical reasoning and programming

The model demonstrates advanced capabilities in logical reasoning, mathematics, and programming. It supports code execution, function calling, and work with various programming languages.

Developer tool support

Grok 3 supports Function Calling, Structured Output, Web Search, Batch Inference, and Fine-tuning. This allows the model to be customized for specific tasks and integrated into workflows.

ZeroEval

The model supports ZeroEval mode, allowing its performance to be evaluated on various benchmarks without additional configuration.

Advantages of Grok 3

High performance

According to the developer, Grok 3 was trained on a dataset using approximately 200,000 GPUs, providing a significant performance boost over the previous version, Grok 2. The model's average score is 83.8%.

Improved reasoning capabilities

Compared with its predecessor, Grok 3 demonstrates significantly improved capabilities in logical reasoning, analysis, and solving complex problems, especially in programming and mathematics.

Multimodality

The ability to work with text and images simultaneously expands the model's range of applications, from document analysis to interpreting charts and diagrams.

Disadvantages of Grok 3

Proprietary license

The model has a proprietary license and is not open source. This limits opportunities for independent study, modification, and deployment.

High API cost

Using Grok 3 via the API costs $3.00 per million input tokens and $15.00 per million output tokens. This is significantly more expensive than many alternative models, especially for tasks requiring large data volumes.

Limited context window

The context window of the base version of Grok 3 is 128,000 tokens, which is less than some competitors and later models in the same family (e.g., Grok 4 with a 2 million token window).

What Tasks Does Grok 3 Solve?

Programming and development

Grok 3 is effective for writing code, debugging, refactoring, generating tests, and solving programming tasks in various languages.

Logical reasoning and analysis

The model can solve complex logical problems, perform mathematical calculations, analyze data, and draw conclusions based on provided information.

Working with visual data

Grok 3 can analyze images, diagrams, charts, documents, and photos, extract information from them, and answer questions about visual content.

Search and analytics

Thanks to built-in internet search and the ability to analyze large volumes of data, the model is suitable for research tasks, gathering information, and preparing analytical materials.

Grok 3 Pricing

Using Grok 3 via API costs $3.00 per 1 million input tokens and $15.00 per 1 million output tokens. The model is distributed under a freemium model: basic features may be available for free, but access to advanced capabilities and the API requires a subscription or per-token payment.

For comparison, the lightweight version Grok 3 Mini costs $0.30 per million input tokens and $0.50 per million output tokens, making it more affordable for everyday tasks.

Terms of Use for Grok 3

The model is distributed under a proprietary license. API access requires registration with an xAI account. Full terms of use are not publicly disclosed, but it is expected that advanced features may require a SuperGrok or X Premium Plus subscription. Enterprise deployment terms are negotiated individually.

Availability of Grok 3

Grok 3 is available through the official xAI API and the web interface. Some third-party services also provide access to xAI models in regions with limited direct availability. The model interface is in English, but it functionally supports working with Russian.

How Is Grok 3 Different from Alternatives?

Grok 3 differs from alternatives such as Claude, GPT, and Gemini primarily in its integration with the xAI ecosystem and potential access to real-time data from the social network X (Twitter). The model is positioned as having minimal censorship among frontier models.

Compared with its predecessor, Grok 2, the Grok 3 model demonstrates a significant performance increase — according to the developer, it is 10 times more powerful. At the same time, Grok 3's API cost ($3/$15 per million tokens) is higher than many competitors.

Within the family, Grok 3 differs from the lightweight Grok 3 Mini version in its broader feature set and high performance, but also in its higher price. The Mini version is optimized for speed and is suitable for everyday tasks where fast responses matter.

Conclusion

Grok 3 is a flagship multimodal model from xAI focused on programming, logical reasoning, and working with visual data. The model demonstrates strong benchmark results (average score 83.8%) and offers a wide range of features, including code execution, web search, and fine-tuning. The main limitations are the proprietary license and high API cost, which make it primarily a tool for professional developers and researchers rather than for the mass user.