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Claude Opus 5 vs Google: Gemini 2.5 Flash

Claude Opus 5 (low) leads on average score with 8.6 vs 8.2. Gemini 2.5 Flash (medium) has the lower benchmark cost at $0.643 vs $1.121. Claude Opus 5 (low) is faster at 6.99s vs 21.18s, with pass rates of 80.3% vs 71.2%.

Recommended modelClaude Opus 5 (low)It has the best score here (8.6), while responding about 3.0x faster than Gemini 2.5 Flash (medium).

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 low Release: 2026-07-25 Gemini 2.5 Flash Gemini 2.5 Flash medium Release: 2025-06-17
Score 8.6 8.2
Rank #23 #31
Reliability 10.0 10.0
Consistency 9.3 9.6
Tests Correct
Attempt pass rate 80.3% 71.2%
Flaky tests 2 1
Total Runs 66 66
Cost per result 6.593 4.286
Total Cost $1.121 $0.643
Input Price $5.000 / 1M $0.300 / 1M
Output Price $25.000 / 1M $2.500 / 1M
Total Input Tokens 134,773 132,498
Output Tokens 14,123 12,739
Reasoning Tokens 3,896 228,464
Response Time (avg) 6.99s 21.18s
Response Time (max) 30.67s 140.50s
Response Time (total) 153.73s 465.89s

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

#31 Gemini 2.5 Flash

medium
Invalid SVG
Cost
$0.000
Time
274.0s
Tokens
0 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 2.5 Flash 7.8 10.0 66.7% 0 41.01s 6,669 543 32,303

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