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Claude Opus 5 (medium) vs Gemini 3.1 Pro Preview (medium)

The average score is effectively tied at 9.2 vs 9.2. Gemini 3.1 Pro Preview (medium) has the lower benchmark cost at $1.352 vs $1.586. Claude Opus 5 (medium) is faster at 10.26s vs 20.62s, with pass rates of 83.3% vs 90.9%.

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
#18
Total Output Tokens
97,238
Response Time (avg)
20.62s
Total Cost
$1.352
Recommended model Claude Opus 5 (medium)

It has the best score here (9.2), while responding about 2.0x faster than Gemini 3.1 Pro Preview (medium).

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 medium Release: 2026-07-25 Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview medium Release: 2026-02-19
Score 9.2 9.2
Rank #21 #18
Reliability 10.0 10.0
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 90.9%
Flaky tests 1 0
Total Runs 66 66
Cost per result 8.811 6.758
Total Cost $1.586 $1.352
Input Price $5.000 / 1M $2.000 / 1M
Output Price $25.000 / 1M $12.000 / 1M
Total Input Tokens 135,604 92,296
Output Tokens 23,814 5,232
Reasoning Tokens 12,804 92,006
Response Time (avg) 10.26s 20.62s
Response Time (max) 35.43s 88.68s
Response Time (total) 225.66s 329.94s
Parameters ~5T total (~500B active) ~1.2T 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

#18 Gemini 3.1 Pro Preview

medium
Cost
$0.115
Time
87.2s
Tokens
9,629 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 3.1 Pro Preview 7.9 9.9 66.7% 0 40.17s 8,124 435 41,247

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