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uxwizz.com
#160

Grok 4.20

X AI Release: 2026-03-31 Tested on: 2026-05-06 14:16 x-ai/grok-4.20::none
(medium) (none)

Summary

Grok 4.20 scores 4.4 on AI BENCHY and ranks #160. It has N/A reliability, a 28.6% pass rate, $0.057 total cost, and 1.11s average response time.

What makes Grok 4.20 unique: Its total benchmark cost is unusually low for its score range. It is notably fast compared with similar models.

Identity note

Grok 4.20 Beta was the preview version of Grok 4.20.

Score

4.4

Consistency

8.5

Reliability

N/A

Total Cost (Current Price)

$0.057 ↓ -40.1%

Tested at: $0.095

Total Output Tokens

1,923

Total Input Tokens

41,313

Input Price

$1.250 / 1M

Output Price

$2.500 / 1M

Tests Correct

Wrong Tests: 12

Attempt pass rate: 28.6%

Flaky tests

0

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

Response Time (avg)

1.11s

Response Time (max): 6.04s

Response Time (total): 19.96s

Generation showcase

Hamster playing table tennis

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

#160 xAI: Grok 4.20

none
Cost
$0.004
Time
6.5s
Tokens
1,367 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-05-06 14:16 Re-test 5.4 N/A $0.057 Current run
2026-05-06 14:16 Re-test 5.4 N/A $0.095 Compare
2026-05-06 14:16 Re-test 5.4 N/A $0.095 Compare
2026-05-06 14:16 Suite changed 5.4 N/A $0.095 Compare
2026-04-11 01:44 First recorded run 5.2 N/A $0.095 Compare

Run comparison

RunScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-05-06 14:16 · Current run4.48.5N/A6/1801,92341,313$0.0571.11s
2026-04-11 01:44 · First recorded run5.29.5N/A5/1811,9670$0.0951.11s
Difference-0.9-1.0+1-1-44+41313-$0.038-4ms

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 $1.250 / 1M $2.500 / 1M

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 4.8 10.0
Coding 1.1 3.1
Combined 3.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 3.0 10.0
General Intelligence 4.8 10.0
Instructions following 6.3 10.0
Puzzle Solving 5.3 10.0
Tool Calling 10.0 10.0
Trivia 0.0 0.0

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