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Google: Gemini 3 Flash Preview vs xAI: Grok 4.5

Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 8.9. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.742 vs $1.707. Gemini 3 Flash Preview (medium) is faster at 19.20s vs 76.50s, with pass rates of 98.5% vs 83.3%.

Recommended modelGemini 3 Flash Preview (medium)It has the best score here (9.6), while costing about 2.3x less than Grok 4.5 (high).

Last updated at: 2026-07-17

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 Grok 4.5 Grok 4.5 high Release: 2026-07-08
Score 9.6 8.9
Rank #1 #12
Reliability 10.0 10.0
Consistency 9.7 9.2
Tests Correct
Attempt pass rate 98.5% 83.3%
Flaky tests 1 2
Total Runs 66 66
Cost per result 3.533 10.041
Total Cost $0.742 $1.707
Input Price $0.500 / 1M $2.000 / 1M
Output Price $3.000 / 1M $6.000 / 1M
Total Input Tokens 87,861 151,562
Output Tokens 5,486 5,655
Reasoning Tokens 227,164 247,540
Response Time (avg) 19.20s 76.50s
Response Time (max) 117.26s 676.83s
Response Time (total) 422.42s 1683.07s

Hamster playing table tennis

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

#1 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084
Grok 4.5 10.0 10.0 100.0% 0 155.16s 9,579 357 100,752

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