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Google: Gemini 3.5 Flash vs xAI: Grok 4.5

The average score is effectively tied at 8.9 vs 8.9. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.433 vs $1.707. Gemini 3.5 Flash (low) is faster at 5.55s vs 76.50s, with pass rates of 87.9% vs 83.3%.

Recommended modelGemini 3.5 Flash (low)It has the best score here (8.9), while costing about 3.9x less than Grok 4.5 (high).

Last updated at: 2026-07-17

Metric Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 8.9 8.9
Rank #11 #12
Reliability 10.0 10.0
Consistency 9.7 9.2
Tests Correct
Attempt pass rate 87.9% 83.3%
Flaky tests 1 2
Total Runs 66 66
Cost per result 2.277 10.041
Total Cost $0.433 $1.707
Input Price $1.500 / 1M $2.000 / 1M
Output Price $9.000 / 1M $6.000 / 1M
Total Input Tokens 87,817 151,562
Output Tokens 2,239 5,655
Reasoning Tokens 31,182 247,540
Response Time (avg) 5.55s 76.50s
Response Time (max) 53.55s 676.83s
Response Time (total) 122.19s 1683.07s

Hamster playing table tennis

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

#11 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 tok

#12 xAI: Grok 4.5

high
Cost
$0.015
Time
29.7s
Tokens
2,737 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 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

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