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Claude Opus 4.8 (medium) vs Gemini 3.5 Flash

Claude Opus 4.8 (medium) leads on average score with 8.8 vs 7.0. Gemini 3.5 Flash has the lower benchmark cost at $1.079 vs $1.931. Gemini 3.5 Flash is faster at 9.93s vs 12.49s, with pass rates of 84.9% vs 74.2%.

Last updated at: 2026-07-25

Rank
#19
Total Output Tokens
49,841
Response Time (avg)
12.49s
Total Cost
$1.931
Rank
#87
Total Output Tokens
117,518
Response Time (avg)
9.93s
Total Cost
$1.079
Recommended model Claude Opus 4.8 (medium)

It has the strongest score in this comparison (8.8) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 medium Release: 2026-05-28 Gemini 3.5 Flash Gemini 3.5 Flash none Release: 2026-05-19
Score 8.8 7.0
Rank #19 #87
Reliability 10.0 10.0
Consistency 9.6 8.9
Tests Correct
Attempt pass rate 84.9% 74.2%
Flaky tests 1 3
Total Runs 66 66
Cost per result 10.724 7.190
Total Cost $1.931 $1.079
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 138,451 13,843
Output Tokens 40,766 117,518
Reasoning Tokens 9,075 0
Response Time (avg) 12.49s 9.93s
Response Time (max) 70.54s 64.36s
Response Time (total) 274.72s 178.68s

Hamster playing table tennis

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

#19 Claude Opus 4.8

medium
Cost
$0.057
Time
23.1s
Tokens
2,412 tok

#87 Gemini 3.5 Flash

none
Cost
$0.225
Time
125.5s
Tokens
25,004 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 4.8 10.0 10.0 100.0% 0 15.33s 10,590 9,945 1,381
Gemini 3.5 Flash 8.8 7.8 88.9% 1 34.69s 8,122 75,927 0

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