GPT-5.1 vs Grok 3 Mini
Compare OpenAI and xAI AI models
OpenAI
GPT-5.1
vs
xAI
Grok 3 Mini
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
GPT-5.1
Per Request:$0.006250
Daily:$0.625
Monthly:$18.75
Yearly:$228.125
Grok 3 Mini
Per Request:$0.000550
Daily:$0.055
Monthly:$1.65
Yearly:$20.075
Cost Differences
$0.005700
Per Request
$0.57
Daily
$17.10
Monthly
$208.05
Yearly
Grok 3 Mini costs less than GPT-5.1
Feature Comparison
| Feature | GPT-5.1 | Grok 3 Mini |
|---|---|---|
| Provider | OpenAI | xAI |
| Input Price | $1.25/1M tokens | $0.50/1M tokens |
| Output Price | $10.00/1M tokens | $0.50/1M tokens |
| Context Window | 1,000,000 tokens | 128,000 tokens |
| Max Output | 131,072 tokens | 131,072 tokens |
| Category | flagship | efficient |
| Capabilities | textvisionaudiocodereasoning | textreasoningcode |
| Release Date | 11/12/2025 | 2/17/2025 |
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
GPT-5.1 (OpenAI)
Cost Calculator
Select a provider and model to see costs
Grok 3 Mini (xAI)
Cost Calculator
Select a provider and model to see costs