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Claude Opus 5 vs Google: Gemini 3 Flash Preview

Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 8.6. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.742 vs $1.121. Claude Opus 5 (low) is faster at 6.99s vs 19.20s, with pass rates of 80.3% vs 98.5%.

Recommended modelGemini 3 Flash Preview (medium)It has the best score here (9.6), while costing about 1.5x less than Claude Opus 5 (low).

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 low Release: 2026-07-25 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 8.6 9.6
Rank #23 #3
Reliability 10.0 10.0
Consistency 9.3 9.7
Tests Correct
Attempt pass rate 80.3% 98.5%
Flaky tests 2 1
Total Runs 66 66
Cost per result 6.593 3.533
Total Cost $1.121 $0.742
Input Price $5.000 / 1M $0.500 / 1M
Output Price $25.000 / 1M $3.000 / 1M
Total Input Tokens 134,773 87,861
Output Tokens 14,123 5,486
Reasoning Tokens 3,896 227,164
Response Time (avg) 6.99s 19.20s
Response Time (max) 30.67s 117.26s
Response Time (total) 153.73s 422.42s

Hamster playing table tennis

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

#23 Claude Opus 5

low
Cost
$0.062
Time
30.2s
Tokens
2,615 tok

#3 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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
Claude Opus 5 7.8 7.4 77.8% 1 6.70s 10,590 2,442 760
Gemini 3 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

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