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Google: Gemini 3.5 Flash vs xAI: Grok 4.5

Gemini 3.5 Flash (medium) leads on average score with 9.1 vs 8.4. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.642 vs $0.935. Gemini 3.5 Flash (medium) is faster at 8.20s vs 15.56s, with pass rates of 87.9% vs 75.8%.

Recommended modelGemini 3.5 Flash (medium)It has the best score here (9.1), while responding about 1.9x faster than Grok 4.5 (low).

Last updated at: 2026-07-17

Metric Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19 Grok 4.5 Grok 4.5 low Release: 2026-07-08
Score 9.1 8.4
Rank #9 #20
Reliability 10.0 10.0
Consistency 9.7 9.7
Tests Correct
Attempt pass rate 87.9% 75.8%
Flaky tests 1 1
Total Runs 66 66
Cost per result 3.374 5.844
Total Cost $0.642 $0.935
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $6.000 / 1M
Total Input Tokens 69,747 125,596
Output Tokens 2,166 7,505
Reasoning Tokens 57,436 106,446
Response Time (avg) 8.20s 15.56s
Response Time (max) 76.68s 205.28s
Response Time (total) 180.47s 342.32s

Hamster playing table tennis

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

#9 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 tok

#20 xAI: Grok 4.5

low
Cost
$0.011
Time
12.4s
Tokens
2,018 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 3.5 Flash 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939
Grok 4.5 10.0 10.0 100.0% 0 13.72s 9,579 303 15,641

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