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Anthropic: Claude Opus 4.8 vs Google: Gemini 3.6 Flash

Gemini 3.6 Flash (high) leads on average score with 9.7 vs 8.8. Gemini 3.6 Flash (high) has the lower benchmark cost at $1.785 vs $1.931. Claude Opus 4.8 (medium) is faster at 12.49s vs 14.88s, with pass rates of 84.9% vs 98.5%.

Recommended modelGemini 3.6 Flash (high)It has the strongest score in this comparison (9.7) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-21

Metric Claude Opus 4.8 Claude Opus 4.8 medium Release: 2026-05-28 Gemini 3.6 Flash Gemini 3.6 Flash high Release: 2026-07-21
Score 8.8 9.7
Rank #17 #2
Reliability 10.0 10.0
Consistency 9.6 9.6
Tests Correct
Attempt pass rate 84.9% 98.5%
Flaky tests 1 1
Total Runs 66 66
Cost per result 10.724 8.497
Total Cost $1.931 $1.785
Input Price $5.000 / 1M $1.500 / 1M
Output Price $25.000 / 1M $7.500 / 1M
Total Input Tokens 138,451 87,819
Output Tokens 40,766 5,750
Reasoning Tokens 9,075 214,596
Response Time (avg) 12.49s 14.88s
Response Time (max) 70.54s 88.00s
Response Time (total) 274.72s 327.37s

Hamster playing table tennis

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

#17 Claude Opus 4.8

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

#2 Gemini 3.6 Flash

high
Cost
$0.069
Time
44.0s
Tokens
9,251 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 3.6 Flash 10.0 10.0 100.0% 0 26.73s 8,136 448 60,606

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