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Claude Opus 4.8 (medium) vs Gemini 3.5 Flash (high)

The average score is effectively tied at 8.3 vs 8.3. Gemini 3.5 Flash (high) has the lower benchmark cost at $2.737 vs $3.490. Claude Opus 4.8 (medium) is faster at 16.72s vs 18.59s, with pass rates of 82.6% vs 85.5%.

Last updated at: 2026-10-01

Compared models

Rank
#80
Total Output Tokens
67,842
Response Time (avg)
16.72s
Total Cost
$3.490
Rank
#77
Total Output Tokens
246,012
Response Time (avg)
18.59s
Total Cost
$2.737
Recommended model Gemini 3.5 Flash (high)

It has the strongest score in this comparison (8.3) and the best overall balance of cost and response time across all 2 models.

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 medium Release: 2026-05-28 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 8.3 8.3
Rank #80 #77
Reliability 10.0 10.0
Consistency 9.0 9.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 82.6% 85.5%
Flaky tests 3 2
Total Runs 69 69
Cost per result 20.527 14.402
Total Cost $3.490 $2.737
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $9.000 / 1M
Total Input Tokens 360,294 348,103
Output Tokens 43,441 11,045
Reasoning Tokens 24,401 234,967
Response Time (avg) 16.72s 18.59s
Response Time (max) 99.37s 145.92s
Response Time (total) 384.66s 427.52s
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.

#80 Claude Opus 4.8

medium
Cost
$0.057
Time
23.1s
Tokens
2,412 tok

#77 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 4.8 10.0 10.0 100.0% 0 15.33s 10,590 9,945 1,381
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129

Quick Compare

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