Grok 3

Grok 3

xAILLM

xAI: Grok 3 by xAI

API Available

Specifications

Context Window

131K tokens

Input Price/1M

$4.00

Output Price/1M

$20.00

Parameters

00

Benchmarks

Grok 3 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.

Agentic

BenchmarkScoreMaximumMethodology
Terminal-Bench Hard11.0100.0

Coding

BenchmarkScoreMaximumMethodology
LiveCodeBench43.0100.0Artificial Analysis official API
SciCode37.0100.0
AA Coding Index19.8100.0Artificial Analysis official API

Knowledge

BenchmarkScoreMaximumMethodology
MMLU-Pro80.0100.0

Long Context

BenchmarkScoreMaximumMethodology
AA-LCR55.0100.0

Math

BenchmarkScoreMaximumMethodology
MATH-50087.0100.0Artificial Analysis official API
AIME 202558.0100.0Artificial Analysis official API
AA Math Index58.0100.0Artificial Analysis official API

overall

BenchmarkScoreMaximumMethodology
AA Intelligence Index18.4100.0Artificial Analysis official API

Reasoning

BenchmarkScoreMaximumMethodology
MMLU Pro79.9100.0Artificial Analysis official API
GPQA Diamond69.0100.0Artificial Analysis official API
IFBench47.0100.0
HLE5.0100.0

Tool Use

BenchmarkScoreMaximumMethodology
Tau²-Bench49.0100.0

Information

Release date
February 19, 2025
Tool Calling
❌ Not supported
Vision
❌ Not supported
Audio
❌ Not supported

Full Analysis: Grok 3

What is Grok 3?

Grok 3 is an AI model developed by xAI, classified as a large language model (LLM). It focuses on text processing and natural language generation. As a proprietary model, it is available via xAI's cloud API. With a context window of 131K tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.

Pricing & Costs in 2026

Grok 3 is usage-based, priced at $4/1M input tokens and $20/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.

Benchmarks & Performance

Grok 3 was evaluated on 15 different benchmarks, covering categories like Agentic, Coding, Knowledge, Long Context, Math, overall, Reasoning, Tool Use. Results show solid performance across available evaluations.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

Grok 3 is suitable for a wide range of AI applications: long document analysis (contracts, legal proceedings, codebases), text generation, summarization, translation, and general assistance.

Comparison with Alternatives

In the 2026 AI model ecosystem, Grok 3 competes directly with similarly capable models. xAI competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is Grok 3?

Grok 3 is an AI model developed by xAI. It is a language model (LLM).

How much does Grok 3 cost?

Grok 3 costs $4/1M input tokens and $20/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does Grok 3 compare with other models?

In available benchmarks, Grok 3 scored: Terminal-Bench Hard: 11/100, LiveCodeBench: 43/100, SciCode: 37/100. See the full table above for a detailed comparison.

Is Grok 3 open source?

No, Grok 3 is a proprietary model from xAI. It is available via cloud API. For open source alternatives, check our open source model ranking.

What is Grok 3 best for?

Grok 3 excels at general-purpose language tasks. With its large context window, it handles long documents, codebases, and extended conversations.

Last updated: June 22, 2026 View methodology →