Grok 3 Mini
xAIReasoning ModelProprietaryxAI's compact reasoning model with chain-of-thought capabilities. Fast and affordable alternative to full Grok 3 with built-in reasoning. No longer listed on the official xAI API models page — superseded by the Grok 4.x line.
Abilities
Use Cases
Available in Tools
Availability
How to Use
Pros
- Very affordable reasoning model — competitive pricing for chain-of-thought
- Fast responses compared to other reasoning models
- Real-time information access via X/Twitter integration
- Competitive reasoning scores on standard benchmarks
Cons
- Smaller ecosystem and fewer third-party integrations than OpenAI/Anthropic
- Less proven and battle-tested than established alternatives
- Closed source — no model weights available
- Limited documentation compared to major providers
What to Use It For
Perfect For
Chain-of-thought reasoning at very competitive pricing
X/Twitter integration provides access to current events and trends
Good For
Fast reasoning with good accuracy for everyday logic tasks
Not Recommended
Ecosystem is still growing — fewer integrations, SDKs, and enterprise features
Try instead: GPT-4.1
Mini variant lacks the depth of full-size reasoning models on hardest problems
Try instead: o3
Do Not Use For
Closed source — only available through xAI API
Try instead: DeepSeek R1
Data processed on xAI servers with X/Twitter integration — privacy concerns
Try instead: Llama 4 Maverick