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#93

Grok 4.20 Beta

X AI Release: 2026-03-12 Tested on: 2026-04-25 22:06 x-ai/grok-4.20-beta::none
(medium) (none)

Archived model: this model is no longer updated or tested on new tests.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

Score

5.3

Consistency

9.2

Reliability

N/A

Total Cost

$0.091

Total Output Tokens

1,591

Input Price

$0.000 / 1M

Output Price

$0.000 / 1M

Tests Correct

Wrong Tests: 14

Attempt pass rate: 29.6%

Flaky tests

2

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

Response Time (avg)

1.19s

Response Time (max): 6.48s

Response Time (total): 21.37s

Charts

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Total Output Tokens

Score vs Total Output Tokens

Quick Compare

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 4.0 8.4
Coding 5.5 10.0
Combined 3.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 5.0 10.0
Instructions following 4.8 10.0
Puzzle Solving 5.9 7.2
Tool Calling 10.0 10.0

Compared models