Grok 4.1 Fast Reasoning vs Grok 4 Comparison
Compare xAI's Grok models: 4.1 Fast Reasoning vs Grok 4. Speed vs capability analysis.
Quick Summary
Grok 4.1 Fast Reasoning offers improved performance and speed over Grok 4 for most applications.
Winner: Grok 4.1 Fast Reasoning
Pricing Comparison
Grok 4.1 Fast Reasoning
Input
$0.2/1M tokens
Output
$0.5/1M tokens
Grok 4
Input
$3/1M tokens
Output
$15/1M tokens
Key Differences
- Grok 4.1 has faster response times
- Grok 4.1 has enhanced reasoning capabilities
- Both offer competitive pricing
- Grok 4.1 has better accuracy on benchmarks
- Grok 4 is more established and tested
Best Use Cases
Grok 4.1 Fast Reasoning
- Fast reasoning applications
- Real-time AI systems
- Performance-critical tasks
- Latest xAI capabilities
- Speed-optimized workflows
Grok 4
- Established applications
- Proven reliability needs
- Conservative deployments
- Tested workflows
- Stable performance requirements