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Claude Opus 4.8 (medium) vs DeepSeek V4 Flash 0731 (high)

DeepSeek V4 Flash 0731 (high) leads on average score with 8.4 vs 8.3. DeepSeek V4 Flash 0731 (high) has the lower benchmark cost at $0.578 vs $3.490. Claude Opus 4.8 (medium) is faster at 16.72s vs 118.83s, with pass rates of 82.6% vs 76.8%.

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
#74
Total Output Tokens
532,511
Response Time (avg)
118.83s
Total Cost
$0.578
Recommended model DeepSeek V4 Flash 0731 (high)

It has the best score here (8.4), while costing about 6.0x less than Claude Opus 4.8 (medium).

Detailed comparison

Metric Claude Opus 4.8 Claude Opus 4.8 medium Release: 2026-05-28 DeepSeek V4 Flash 0731 DeepSeek V4 Flash 0731 high Release: 2026-08-01
Score 8.3 8.4
Rank #80 #74
Reliability 10.0 10.0
Consistency 9.0 8.1
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 82.6% 76.8%
Flaky tests 3 5
Total Runs 69 69
Cost per result 20.527 1.069
Total Cost $3.490 $0.578
Input Price $5.000 / 1M $0.010 / 1M
Output Price $25.000 / 1M $1.280 / 1M
Total Input Tokens 360,294 281,863
Output Tokens 43,441 24,535
Reasoning Tokens 24,401 507,976
Response Time (avg) 16.72s 118.83s
Response Time (max) 99.37s 600.61s
Response Time (total) 384.66s 2733.01s
Parameters ~5T total (~500B active) 284B total (13B 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

#74 DeepSeek V4 Flash 0731

high
No output was saved. The original provider response or failure reason is unavailable.
Cost
$0.000
Time
187.3s
Tokens
19,048 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
DeepSeek V4 Flash 0731 6.3 6.3 55.6% 1 252.67s 7,044 2,160 191,210

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