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Claude Opus 4.8 vs Gemini 3.1 Flash Lite (medium)

The average score is effectively tied at 7.3 vs 7.3. Gemini 3.1 Flash Lite (medium) has the lower benchmark cost at $0.120 vs $1.166. Gemini 3.1 Flash Lite (medium) is faster at 4.38s vs 4.92s, with pass rates of 63.6% vs 62.1%.

Last updated at: 2026-09-18

Compared models

Rank
#128
Total Output Tokens
16,797
Response Time (avg)
4.92s
Total Cost
$1.166
Rank
#125
Total Output Tokens
62,356
Response Time (avg)
4.38s
Total Cost
$0.120
Recommended model Gemini 3.1 Flash Lite (medium)

It has the best score here (7.3), while costing about 9.7x less than Claude Opus 4.8.

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 none Release: 2026-05-28 Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite medium Release: 2026-05-08
Score 7.3 7.3
Rank #128 #125
Reliability 10.0 10.0
Consistency 9.2 9.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 63.6% 62.1%
Flaky tests 2 2
Total Runs 66 66
Cost per result 8.969 0.922
Total Cost $1.166 $0.120
Input Price $5.000 / 1M $0.250 / 1M
Output Price $25.000 / 1M $1.500 / 1M
Total Input Tokens 149,203 104,925
Output Tokens 16,797 9,168
Reasoning Tokens 0 53,188
Response Time (avg) 4.92s 4.38s
Response Time (max) 35.03s 26.22s
Response Time (total) 108.24s 96.32s
Parameters ~5T total (~500B active) ~150B total (~10B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#128 Claude Opus 4.8

none
Cost
$0.053
Time
22.0s
Tokens
2,253 tok

#125 Gemini 3.1 Flash Lite

medium
Cost
$0.003
Time
5.3s
Tokens
1,754 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 5.5 10.0 33.3% 0 3.29s 10,590 1,332 0
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 3.81s 8,134 459 8,978

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