#44
X AI · Release: 2025-11-19 · x-ai/grok-4.1-fast::medium
Input Price
$0.200 / 1M
Output Price
$0.500 / 1M
Flaky tests
5
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Charts
Choose the first model, then click a second model to open a side-by-side page.
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Grok 4.1 FastmediumvsGPT-5.4 MinimediumGrok 4.1 FastmediumvsGrok 4.20mediumGrok 4.1 FastmediumvsNemotron 3 SupermediumFree AvailableGrok 4.1 FastmediumvsKimi K2.5mediumGrok 4.1 FastmediumvsGPT-5 MinimediumGrok 4.1 FastmediumvsGemini 3 Flash PreviewmediumGrok 4.1 FastmediumvsGemini 3.1 Pro PreviewmediumGrok 4.1 FastmediumvsQwen3.6 Plus Previewmedium
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 8.7 | 7.9 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.8 | 4.4 | |
| General Intelligence | 4.2 | 9.9 | |
| Instructions following | 6.6 | 10.0 | |
| Puzzle Solving | 5.3 | 7.2 | |
| Tool Calling | 2.8 | 1.6 |