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Claude Opus 5 vs Google: Gemini 3.5 Flash

Gemini 3.5 Flash (high) leads on average score with 9.5 vs 8.6. Claude Opus 5 (low) has the lower benchmark cost at $1.121 vs $1.976. Claude Opus 5 (low) is faster at 6.99s vs 15.07s, with pass rates of 80.3% vs 93.9%.

Recommended modelClaude Opus 5 (low)It offers the best overall trade-off: a competitive score (8.6), lower cost than Gemini 3.5 Flash (high), and balanced response time.

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 low Release: 2026-07-25 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 8.6 9.5
Rank #23 #4
Reliability 10.0 10.0
Consistency 9.3 9.3
Tests Correct
Attempt pass rate 80.3% 93.9%
Flaky tests 2 2
Total Runs 66 66
Cost per result 6.593 9.879
Total Cost $1.121 $1.976
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 134,773 107,137
Output Tokens 14,123 8,777
Reasoning Tokens 3,896 192,900
Response Time (avg) 6.99s 15.07s
Response Time (max) 30.67s 145.92s
Response Time (total) 153.73s 331.48s

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

#4 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 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 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129

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