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

Claude Opus 5 (medium) leads on average score with 9.2 vs 8.8. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.449 vs $1.586. Gemini 3.5 Flash (low) is faster at 5.76s vs 10.26s, with pass rates of 83.3% vs 84.9%.

Last updated at: 2026-09-23

Compared models

Rank
#25
Total Output Tokens
36,618
Response Time (avg)
10.26s
Total Cost
$1.586
Rank
#41
Total Output Tokens
35,195
Response Time (avg)
5.76s
Total Cost
$0.449
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (8.8 vs 9.2), while costing about 3.5x less than Claude Opus 5 (medium).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 9.2 8.8
Rank #25 #41
Reliability 10.0 10.0
Consistency 9.6 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 84.9%
Flaky tests 1 2
Total Runs 66 66
Cost per result 8.811 2.492
Total Cost $1.586 $0.449
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 135,604 87,826
Output Tokens 23,814 2,239
Reasoning Tokens 12,804 32,956
Response Time (avg) 10.26s 5.76s
Response Time (max) 35.43s 53.55s
Response Time (total) 225.66s 126.71s
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.

#25 Claude Opus 5

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

#41 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420

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