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xAI ↗Released April 12, 2025

Grok 3 Mini

#16 Arena RankUndisclosed parameters

Grok 3 Mini holds a solid spot in the Arena rankings at #16. Context window: 0.128K tokens.

Context

128K

Input

$0.30

Key Specifications

🏆

Arena Rank

#16

📐

Context Window

128K

📥

Input Price

per 1M tokens

$0.30

📤

Output Price

per 1M tokens

$0.50

🧠

Parameters

Undisclosed

🔒

Open Source

No

Best For

Lightweight reasoningfast responseschat

About Grok 3 Mini

Grok 3 Mini, developed by xAI, is a compact reasoning model with built-in chain-of-thought capabilities and real-time access to X (Twitter) data. The model combines the speed of smaller architectures with the accuracy improvements of deliberative reasoning, using internal thinking tokens to improve performance on complex queries. Grok 3 Mini maintains the distinctive personality of the Grok model family while offering faster response times and reduced pricing compared to the full Grok 3. It handles everyday coding, analysis, and conversational tasks effectively, with the added advantage of current information from the X platform. The model targets developers and consumers who need capable AI with real-time knowledge at accessible pricing. It serves as the entry point to xAI's model ecosystem, competing with GPT-4o Mini and Claude Haiku for cost-sensitive applications.

Built byxAI↗

Pricing per 1M tokens

Input Tokens

$0.30

Output Tokens

$0.50

Compare Grok 3 Mini

See how Grok 3 Mini stacks up against other leading AI models

Grok 3 Mini vs Grok 3Compare →Grok 3 Mini vs Grok-2Compare →Grok 3 Mini vs Grok-2 MiniCompare →Grok 3 Mini vs Claude Opus 4Compare →Grok 3 Mini vs GPT-4oCompare →

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Frequently Asked Questions

What is Grok 3 Mini?▾
Grok 3 Mini, developed by xAI, is a compact reasoning model with built-in chain-of-thought capabilities and real-time access to X (Twitter) data. The model combines the speed of smaller architectures with the accuracy improvements of deliberative reasoning, using internal thinking tokens to improve performance on complex queries. Grok 3 Mini maintains the distinctive personality of the Grok model family while offering faster response times and reduced pricing compared to the full Grok 3. It handles everyday coding, analysis, and conversational tasks effectively, with the added advantage of current information from the X platform. The model targets developers and consumers who need capable AI with real-time knowledge at accessible pricing. It serves as the entry point to xAI's model ecosystem, competing with GPT-4o Mini and Claude Haiku for cost-sensitive applications.
How much does Grok 3 Mini cost?▾
xAI charges $0.30 per 1M input tokens for Grok 3 Mini, with output at $0.50. Competitive with other models in its tier.
What is Grok 3 Mini's context window?▾
Grok 3 Mini supports up to 128K tokens per request. A larger context window allows the model to reason over longer inputs, which matters for document analysis, code review, and multi-turn conversations.
Is Grok 3 Mini open source?▾
Not open source. Grok 3 Mini is available through xAI's managed API. That means easier setup, but you're dependent on their infrastructure and pricing.
What is Grok 3 Mini best for?▾
xAI positions Grok 3 Mini for: Lightweight reasoning, fast responses, chat. Real-world performance will depend on your specific prompts and data, but these are the intended strengths.