#14 Grok 4.20 Beta
medium- Cost
- $0.034
- Time
- 91.0s
- Tokens
- 13,523 tok
Summary
Grok 4.20 Beta scores 8.5 on AI BENCHY and ranks #14. It has N/A reliability, a 81.5% pass rate, $0.750 total cost, and 9.75s average response time.
Archived model: this model is no longer updated or tested on new tests.
Identity note
Grok 4.20 Beta was the preview version of xAI: Grok 4.20.
8.5
Consistency
9.5
N/A
Total Output Tokens
93,212
Total Input Tokens
35,955
Input Price
$5.805 / 1M
Output Price
$5.805 / 1M
Flaky tests
1
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Generation showcase
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-05-06 14:15 Re-test | 8.5 | N/A | $0.750 ↑ | Current run | |
| 2026-05-06 14:15 Re-test | 8.2 | N/A | $0.633 | Compare | |
| 2026-05-06 14:15 Re-test | 8.2 | N/A | $0.633 | Compare | |
| 2026-05-06 14:15 Suite changed | 8.2 | N/A | $0.633 | Compare | |
| 2026-04-11 01:19 First recorded run | 8.0 | N/A | $0.633 | Compare |
Run comparison
| Run | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-06 14:15 · Current run | 8.5 | 9.5 | N/A | 14/18 | 1 | 93,212 | 35,955 | $0.750 | 9.75s |
| 2026-05-06 14:15 · Suite changed | 8.2 | 9.1 | N/A | 13/18 | 2 | 93,477 | 0 | $0.633 | 9.81s |
| Difference | +0.3 | +0.4 | +1 | -1 | -265 | +35955 | +$0.118 | -63ms |
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-06-04 15:40 | $5.805 / 1M | $5.805 / 1M |
Charts
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Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 8.7 | 7.9 | |
| Coding | 10.0 | 10.0 | |
| Combined | 10.0 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 10.0 | 10.0 | |
| Tool Calling | 3.0 | 10.0 |