#172 Grok 4.20 Multi Agent Beta
medium- Cost
- $0.261
- Time
- 123.4s
- Tokens
- 199,344 tok
X AI
Release: 2026-03-12
Tested on: 2026-05-06 14:16
x-ai/grok-4.20-multi-agent-beta::medium
~1T total (~100B active)MoEClosedEstimated Summary
Grok 4.20 Multi Agent Beta scores 4.8 on AI BENCHY and ranks #172. It has N/A reliability, a 48.5% pass rate, $5.599 total cost, and 9.69s average response time.
What makes Grok 4.20 Multi Agent Beta unique: It stands out most in General Intelligence, where it ranks #3, while Coding is its weakest area at #15.
Archived model: this model is no longer updated or tested on new tests.
Model facts
Researched on 2026-08-12
- Parameters
- ~1T total (~100B active)
- Architecture
- MoE
- Availability
- Closed
- License
- -
Best estimate from public evidence; the vendor did not disclose every value. xAI does not disclose the architecture or count.
4.8
Consistency
6.4
N/A
Total Output Tokens
600,042
Total Input Tokens
721,952
Input Price
$4.235 / 1M
Output Price
$4.235 / 1M
Flaky tests
5
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
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 14:16 Re-test | 4.8 | N/A | $5.599 ↑ | Compare | |
| 2026-05-06 14:16 Re-test | 4.8 | N/A | $5.599 ↑ | Current run | |
| 2026-05-06 14:16 Re-test | 6.6 | N/A | $5.599 ↑ | Compare | |
| 2026-05-06 14:16 Re-test | 6.6 | N/A | $5.074 | Compare | |
| 2026-05-06 14:16 Suite changed | 6.6 | N/A | $5.074 | Compare | |
| 2026-04-11 01:19 First recorded run | 6.4 | N/A | $5.074 | Compare |
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-06 14:16 · Re-test | 52/54 attempts | 4.8 | 6.4 | N/A | 8/18 | 5 | 600,042 | 721,952 | $5.599 | 9.69s |
| 2026-04-11 01:19 · First recorded run | 52/54 attempts | 6.4 | 7.4 | N/A | 7/18 | 6 | 608,704 | 0 | $5.074 | 9.80s |
| Difference | — | -1.7 | -1.0 | +1 | -1 | -8662 | +721952 | +$0.526 | -105ms |
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price |
|---|---|---|
| 2026-06-04 15:40 | $4.235 / 1M | $4.235 / 1M |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Anti-AI Tricks | 6.9 | 5.8 | |
| Coding | 3.3 | 3.3 | |
| Combined | 1.5 | 5.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 2.9 | 7.2 | |
| General Intelligence | 5.8 | 2.8 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 6.7 | 7.9 | |
| Tool Calling | 3.0 | 10.0 | |
| Trivia | 0.0 | 0.0 |