AI BENCHY
AD
Track all your projects in one dashboard. Get 📊stats, 🔥heatmaps and 👀recordings in one self-hosted dashboard.
uxwizz.com
#120

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 5.4 on AI BENCHY and ranks #120. It has N/A reliability, a 35.2% pass rate, $0.095 total cost, and 1.11s average response time.

What makes Grok 4.20 unique: It is notably fast compared with similar models.

Identity note

Grok 4.20 Beta was the preview version of Grok 4.20.

Score

5.4

Consistency

9.5

Reliability

N/A

Total Cost (Current Price)

$0.095

Total Output Tokens

1,967

Total Input Tokens

0

Input Price

$1.250 / 1M

Output Price

$2.500 / 1M

Tests Correct

Wrong Tests: 12

Attempt pass rate: 35.2%

Flaky tests

1

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): 20.02s

Wrong answer: 10 Extra formatting: 1 Invalid tool call: 1

Generation showcase

Hamster playing table tennis

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

#120 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 ↓ Compare
2026-05-06 14:16 Re-test 5.4 N/A $0.095 Current run
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

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

Grok 4.20nonevsQwen3.5-122B-A10BnoneGrok 4.20nonevsMiniMax M2.7mediumGrok 4.20nonevsGPT-5.4 MininoneGrok 4.20nonevsQwen3.6 35B A3BnoneGrok 4.20nonevsLaguna XS 2.1noneFree AvailableGrok 4.20nonevsMistral Small 4noneGrok 4.20nonevsGemini 3.5 FlashhighGrok 4.20nonevsGemini 3 Flash PreviewmediumGrok 4.20nonevsNemotron 3 Ultra 550b A55bmediumFree AvailableGrok 4.20nonevsGPT-5.5low

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 4.8 10.0
Coding 3.4 9.3
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 7.2
Tool Calling 10.0 10.0

Compared models