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Claude Opus 4.6 (medium) vs DeepSeek V4 Flash 0423 (high)

Claude Opus 4.6 (medium) leads on average score with 7.7 vs 7.6. DeepSeek V4 Flash 0423 (high) has the lower benchmark cost at $0.042 vs $2.961. Claude Opus 4.6 (medium) is faster at 32.23s vs 51.81s, with pass rates of 63.6% vs 69.7%.

Last updated at: 2026-09-10

Compared models

Rank
#94
Total Output Tokens
96,722
Response Time (avg)
32.23s
Total Cost
$2.961
Rank
#96
Total Output Tokens
211,310
Response Time (avg)
51.81s
Total Cost
$0.042
Recommended model DeepSeek V4 Flash 0423 (high)

Its score stays close to the best score here (7.6 vs 7.7), while costing about 71.4x less than Claude Opus 4.6 (medium).

Detailed comparison

Metric Claude Opus 4.6 Claude Opus 4.6 medium Release: 2026-02-05 DeepSeek V4 Flash 0423 DeepSeek V4 Flash 0423 high Release: 2026-04-24
Score 7.7 7.6
Rank #94 #96
Reliability 10.0 10.0
Consistency 8.8 8.5
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 63.6% 69.7%
Flaky tests 3 4
Total Runs 66 66
Cost per result 22.777 0.446
Total Cost $2.961 $0.042
Input Price $5.000 / 1M $0.089 / 1M
Output Price $25.000 / 1M $0.178 / 1M
Total Input Tokens 108,573 108,480
Output Tokens 69,994 37,229
Reasoning Tokens 26,728 174,081
Response Time (avg) 32.23s 51.81s
Response Time (max) 151.51s 218.13s
Response Time (total) 515.65s 1139.75s
Parameters ~5T total (~500B active) 284B total (13B active)
Availability Closed Open source

Model generation showcase

Hamster playing table tennis

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

#94 Claude Opus 4.6

medium
Reached the allocated time limit (300 seconds) without receiving showcase output.
Cost
$0.000
Time
300.0s
Tokens
0 tok

#96 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 4.6 5.7 7.1 44.4% 1 30.10s 8,522 13,057 4,121
DeepSeek V4 Flash 0423 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862

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