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#80

Grok 4.20 Multi Agent Beta

X AI Release: 2026-03-12 Tested on: 2026-05-06 14:16 x-ai/grok-4.20-multi-agent-beta::medium

Summary

Grok 4.20 Multi Agent Beta scores 6.6 on AI BENCHY and ranks #80. It has N/A reliability, a 63.0% pass rate, $5.074 total cost, and 9.80s average response time.

What makes Grok 4.20 Multi Agent Beta unique: It stands out most in Coding, where it ranks #1, while Tool Calling is its weakest area at #11. It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.

Archived model: this model is no longer updated or tested on new tests.

Score

6.6

Consistency

7.4

Reliability

N/A

Total Output Tokens

608,704

Total Input Tokens

0

Input Price

$0.000 / 1M

Output Price

$0.000 / 1M

Tests Correct

Wrong Tests: 10

Attempt pass rate: 63.0%

Flaky tests

6

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

9.80s

Response Time (max): 35.28s

Response Time (total): 156.75s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#80 Grok 4.20 Multi Agent Beta

medium
Cost
$0.261
Time
123.4s
Tokens
199,344 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
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 Current run
2026-04-11 01:19 First recorded run 6.4 N/A $5.074 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-05-06 14:16 · Suite changed6.67.4N/A8/186608,7040$5.0749.80s
2026-05-06 14:16 · Re-test6.67.4N/A8/186608,7040$5.0749.80s
Difference0.00.00000$0.0000ms

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 6.9 5.8
Coding 10.0 10.0
Combined 3.0 10.0
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 7.2 5.1
Tool Calling 3.0 10.0

Compared models