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Claude Opus 5 vs Google: Gemini 3.5 Flash

Claude Opus 5 (high) leads on average score with 9.2 vs 9.1. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.642 vs $2.835. Gemini 3.5 Flash (medium) is faster at 8.20s vs 20.44s, with pass rates of 84.9% vs 87.9%.

Recommended modelGemini 3.5 Flash (medium)Its score stays close to the best score here (9.1 vs 9.2), while costing about 4.4x less than Claude Opus 5 (high).

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 high Release: 2026-07-25 Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19
Score 9.2 9.1
Rank #11 #14
Reliability 10.0 10.0
Consistency 9.6 9.7
Tests Correct
Attempt pass rate 84.9% 87.9%
Flaky tests 1 1
Total Runs 66 66
Cost per result 15.747 3.374
Total Cost $2.835 $0.642
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 135,959 69,747
Output Tokens 67,066 2,166
Reasoning Tokens 19,114 57,436
Response Time (avg) 20.44s 8.20s
Response Time (max) 159.01s 76.68s
Response Time (total) 449.68s 180.47s

Hamster playing table tennis

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

#11 Claude Opus 5

high
Cost
$0.265
Time
144.5s
Tokens
10,741 tok

#14 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 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 10.0 10.0 100.0% 0 12.73s 10,590 7,547 1,721
Gemini 3.5 Flash 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939

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