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Gemini 3 Flash Preview (low) vs Grok 4.20 (medium)

Gemini 3 Flash Preview (low) leads on average score with 7.4 vs 7.1. Gemini 3 Flash Preview (low) has the lower benchmark cost at $0.177 vs $0.777. Gemini 3 Flash Preview (low) is faster at 6.28s vs 29.47s, with pass rates of 75.8% vs 63.6%.

Last updated at: 2026-07-25

Rank
#69
Total Output Tokens
38,090
Response Time (avg)
6.28s
Total Cost
$0.177
Rank
#83
Total Output Tokens
259,340
Response Time (avg)
29.47s
Total Cost
$0.777
Recommended model Gemini 3 Flash Preview (low)

It has the best score here (7.4), while costing about 4.4x less than Grok 4.20 (medium).

Detailed comparison

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview low Release: 2025-12-17 Grok 4.20 Grok 4.20 medium Release: 2026-03-31
Score 7.4 7.1
Rank #69 #83
Reliability 10.0 10.0
Consistency 9.2 8.5
Tests Correct
Attempt pass rate 75.8% 63.6%
Flaky tests 2 4
Total Runs 66 66
Cost per result 1.101 9.709
Total Cost $0.177 $0.777
Input Price $0.500 / 1M $1.250 / 1M
Output Price $3.000 / 1M $2.500 / 1M
Total Input Tokens 123,684 102,791
Output Tokens 9,572 5,363
Reasoning Tokens 28,518 253,977
Response Time (avg) 6.28s 29.47s
Response Time (max) 17.13s 199.66s
Response Time (total) 138.06s 648.35s

Hamster playing table tennis

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

#69 Gemini 3 Flash Preview

low
Cost
$0.007
Time
12.1s
Tokens
2,289 tok

#83 xAI: Grok 4.20

medium
Cost
$0.041
Time
110.3s
Tokens
16,336 tok

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

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 5.8 7.2 44.4% 1 6.00s 8,122 456 7,421
Grok 4.20 6.3 6.6 55.6% 1 109.93s 8,307 268 103,150

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