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Claude Opus 5 vs DeepSeek V4 Flash 0423 (high)

DeepSeek V4 Flash 0423 (high) leads on average score with 8.1 vs 7.1. DeepSeek V4 Flash 0423 (high) has the lower benchmark cost at $0.261 vs $2.766. Claude Opus 5 is faster at 10.78s vs 55.99s, with pass rates of 55.1% vs 71.0%.

Last updated at: 2026-10-07

Compared models

Rank
#159
Total Output Tokens
31,386
Response Time (avg)
10.78s
Total Cost
$2.766
Rank
#94
Total Output Tokens
203,134
Response Time (avg)
55.99s
Total Cost
$0.261
Recommended model DeepSeek V4 Flash 0423 (high)

It has the best score here (8.1), while costing about 10.6x less than Claude Opus 5.

Detailed comparison

Metric Claude Opus 5 Claude Opus 5 none Release: 2026-07-25 DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 high Release: 2026-04-24
Score 7.1 8.1
Rank #159 #94
Reliability 10.0 10.0
Consistency 9.6 8.6
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 55.1% 71.0%
Flaky tests 1 4
Total Runs 69 69
Cost per result 23.044 0.547
Total Cost $2.766 $0.261
Input Price $5.000 / 1M $0.002 / 1M
Output Price $25.000 / 1M $1.280 / 1M
Cache Read Price $0.500 / 1M $0.002 / 1M
Cache Write Price $6.250 / 1M N/A
Total Input Tokens 396,120 298,794
Output Tokens 31,386 45,873
Reasoning Tokens 0 188,721
Response Time (avg) 10.78s 55.99s
Response Time (max) 79.61s 218.13s
Response Time (total) 247.96s 1287.87s
Parameters ~5T total (~500B active) 284B total (13B active)
Availability Closed Open source

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#159 Claude Opus 5

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

#94 DeepSeek V4 Flash 0423

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 0423 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862

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