Grok-3

by xAI

Grok-3 is a model from xAI, released on February 17, 2025. It has a 128K-token context window and can generate up to 8K output tokens. API pricing is $3 per 1M input tokens and $15 per 1M output tokens.

Grok 3, launched by xAI on February 17, 2025, is an advanced AI model with significantly enhanced capabilities compared to Grok 2, boasting an order of magnitude increase in performance. Trained on a vast dataset that includes legal documents among others, and utilizing a massive compute infrastructure with around 200,000 GPUs in a Memphis data center, Grok 3's training used ten times more compute than its predecessor. It features specialized models like Grok 3 Reasoning and Grok 3 Mini Reasoning for complex problem-solving, and it excels in benchmarks like AIME for mathematics and GPQA for PhD-level science.

Key specs

ProviderxAI
Release date2025-02-17
Licenseproprietary
Context window128K tokens
Max output8K tokens
Input price$3 / 1M tokens
Output price$15 / 1M tokens
Intelligence Score30.4
Coding index17.5

Quick answers

What is the context window of Grok-3?

Grok-3 has a context window of 128K tokens, with a maximum output of 8K tokens per response.

How much does Grok-3 cost?

Grok-3 costs $3 per 1M input tokens and $15 per 1M output tokens through the API.

Is Grok-3 open source?

No. Grok-3 is a proprietary model from xAI (proprietary license).

When was Grok-3 released?

xAI released Grok-3 on February 17, 2025.

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