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Claude Opus 5 vs DeepSeek: DeepSeek V4 Flash

DeepSeek V4 Flash (high) leads on average score with 7.7 vs 7.5. DeepSeek V4 Flash (high) has the lower benchmark cost at $0.041 vs $1.550. Claude Opus 5 is faster at 7.60s vs 49.75s, with pass rates of 57.6% vs 72.7%.

Recommended modelDeepSeek V4 Flash (high)It has the best score here (7.7), while costing about 38.6x less than Claude Opus 5.

Last updated at: 2026-07-25

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 DeepSeek V4 Flash DeepSeek V4 Flash high Release: 2026-04-24
Score 7.5 7.7
Rank #59 #52
Reliability 10.0 10.0
Consistency 9.6 8.2
Tests Correct
Attempt pass rate 57.6% 72.7%
Flaky tests 1 5
Total Runs 66 66
Cost per result 12.912 0.402
Total Cost $1.550 $0.041
Input Price $5.000 / 1M $0.094 / 1M
Output Price $25.000 / 1M $0.188 / 1M
Total Input Tokens 185,550 108,392
Output Tokens 24,866 14,478
Reasoning Tokens 0 153,687
Response Time (avg) 7.60s 49.75s
Response Time (max) 47.72s 218.13s
Response Time (total) 167.28s 1094.41s

Hamster playing table tennis

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

#59 Claude Opus 5

none
Cost
$0.271
Time
149.3s
Tokens
10,962 tok

#52 DeepSeek V4 Flash

high
Cost
$0.003
Time
93.1s
Tokens
7,926 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 5.9 9.7 33.3% 0 5.54s 10,590 2,886 0
DeepSeek V4 Flash 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862

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