Grok-2vsGrok-2 Mini
xAI vs xAI — Side-by-side model comparison
Head-to-Head Comparison
| Metric | Grok-2 | Grok-2 Mini |
|---|---|---|
| Provider | ||
| Arena Rank | #7 | #16 |
| Context Window | 128K | 128K |
| Input Pricing | $2.00/1M tokens | $0.30/1M tokens |
| Output Pricing | $10.00/1M tokens | $1.50/1M tokens |
| Parameters | Undisclosed | Undisclosed |
| Open Source | No | No |
| Best For | Real-time information, reasoning, coding | Fast responses, chat, lightweight tasks |
| Release Date | Aug 13, 2024 | Aug 13, 2024 |
Grok-2
Grok-2 is xAI's flagship language model, designed with unique access to real-time data from the X platform (formerly Twitter). It features a 128K context window and delivers strong performance across reasoning, coding, and general knowledge tasks. Grok-2 differentiates itself through its ability to incorporate current events and trending discussions into its responses, making it particularly useful for tasks requiring up-to-the-minute information.
View xAI profile →Grok-2 Mini
Grok-2 Mini is xAI's smaller, faster model designed for applications that need quick responses at lower cost. It retains the real-time information capabilities of the larger Grok-2 while offering significantly faster inference times. With a 128K context window, it handles most conversational and analytical tasks efficiently, making it suitable for high-volume production deployments.
View xAI profile →Key Differences: Grok-2 vs Grok-2 Mini
Grok-2 ranks higher in arena benchmarks (#7) indicating stronger overall performance.
Grok-2 Mini is 6.7x cheaper on average, making it the better choice for high-volume applications.
When to use Grok-2
- +You need the highest quality output based on arena rankings
- +Quality matters more than cost
- +Your use case involves real-time information, reasoning, coding
When to use Grok-2 Mini
- +Budget is a concern and you need cost efficiency
- +Your use case involves fast responses, chat, lightweight tasks
Cost Analysis
At current pricing, Grok-2 Mini is 6.7x more affordable than Grok-2. For a typical enterprise workload processing 100M tokens per month:
Grok-2 monthly cost
$600
100M tokens/mo (50/50 in/out)
Grok-2 Mini monthly cost
$90
100M tokens/mo (50/50 in/out)
The Verdict
Grok-2 Mini wins our head-to-head comparison with 2 out of 5 category wins. It's the stronger choice for fast responses, chat, lightweight tasks, though Grok-2 holds an edge in real-time information, reasoning, coding.
Last compared: March 2026 · Data sourced from public benchmarks and official pricing pages