#40
X AI · Release: 2026-03-31 · x-ai/grok-4.20::medium
Identity note
Grok 4.20 Beta was the preview version of Grok 4.20.
Input Price
$2.000 / 1M
Output Price
$6.000 / 1M
Flaky tests
4
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 4.20mediumvsQwen3.5-35B-A3BmediumGrok 4.20mediumvsKimi K2.5mediumGrok 4.20mediumvsGPT-5.2mediumGrok 4.20mediumvsSeed-2.0-MinimediumGrok 4.20mediumvsGPT-5.4 MinimediumGrok 4.20mediumvsGemini 3 Flash PreviewmediumGrok 4.20mediumvsGemini 3.1 Pro PreviewmediumGrok 4.20mediumvsQwen3.6 PlusmediumFree Available
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 8.2 | 7.9 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 5.8 | 2.8 | |
| Instructions following | 7.3 | 5.9 | |
| Puzzle Solving | 6.4 | 7.7 | |
| Tool Calling | 3.0 | 10.0 |