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Claude Opus 5 (medium) vs Gemini 3 Flash Preview (medium)

Gemini 3 Flash Preview (medium) leads on average score with 9.6 vs 9.2. Gemini 3 Flash Preview (medium) has the lower benchmark cost at $0.742 vs $1.486. Claude Opus 5 (medium) is faster at 9.38s vs 19.20s, with pass rates of 83.3% vs 98.5%.

Last updated at: 2026-08-01

Rank
#11
Total Output Tokens
32,603
Response Time (avg)
9.38s
Total Cost
$1.486
Rank
#3
Total Output Tokens
232,650
Response Time (avg)
19.20s
Total Cost
$0.742
Recommended model Gemini 3 Flash Preview (medium)

It has the best score here (9.6), while costing about 2.0x less than Claude Opus 5 (medium).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17
Score 9.2 9.6
Rank #11 #3
Reliability 10.0 10.0
Consistency 9.6 9.7
Tests Correct
Attempt pass rate 83.3% 98.5%
Flaky tests 1 1
Total Runs 66 66
Cost per result 8.253 3.533
Total Cost $1.486 $0.742
Input Price $5.000 / 1M $0.500 / 1M
Output Price $25.000 / 1M $3.000 / 1M
Total Input Tokens 135,607 87,861
Output Tokens 25,673 5,486
Reasoning Tokens 6,930 227,164
Response Time (avg) 9.38s 19.20s
Response Time (max) 35.05s 117.26s
Response Time (total) 206.26s 422.42s

Model generation showcase

Hamster playing table tennis

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

#11 Claude Opus 5

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

#3 Gemini 3 Flash Preview

medium
Cost
$0.010
Time
18.4s
Tokens
3,351 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 Flash Preview 8.6 7.6 88.9% 1 84.40s 8,122 462 161,084

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