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Claude Opus 5 (medium) vs Gemini 3.5 Flash (high)

Gemini 3.5 Flash (high) leads on average score with 9.4 vs 9.2. Claude Opus 5 (medium) has the lower benchmark cost at $1.586 vs $2.011. Claude Opus 5 (medium) is faster at 10.26s vs 15.46s, with pass rates of 83.3% vs 89.4%.

Last updated at: 2026-09-07

Compared models

Rank
#21
Total Output Tokens
36,618
Response Time (avg)
10.26s
Total Cost
$1.586
Rank
#11
Total Output Tokens
205,482
Response Time (avg)
15.46s
Total Cost
$2.011
Recommended model Claude Opus 5 (medium)

Its score stays close to the best score here (9.2 vs 9.4), while responding about 1.5x faster than Gemini 3.5 Flash (high).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 9.2 9.4
Rank #21 #11
Reliability 10.0 10.0
Consistency 9.6 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 89.4%
Flaky tests 1 2
Total Runs 66 66
Cost per result 8.811 10.580
Total Cost $1.586 $2.011
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 135,604 107,146
Output Tokens 23,814 8,777
Reasoning Tokens 12,804 196,705
Response Time (avg) 10.26s 15.46s
Response Time (max) 35.43s 145.92s
Response Time (total) 225.66s 340.20s
Parameters ~5T total (~500B active) ~500B total (~20B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#21 Claude Opus 5

medium
Cost
$0.125
Time
69.3s
Tokens
5,134 tok

#11 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 10.0 10.0 100.0% 0 9.56s 10,590 5,224 1,162
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129

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