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DeepSeek V4.1 Flash vs Hy4 (low)

Hy4 (low) leads on average score with 5.8 vs 5.8. DeepSeek V4.1 Flash has the lower benchmark cost at $0.391 vs $2.365. DeepSeek V4.1 Flash is faster at 16.63s vs 177.34s, with pass rates of 36.2% vs 60.9%.

Last updated at: 2026-11-10

Compared models

Rank
#329
Total Output Tokens
292,779
Response Time (avg)
16.63s
Total Cost
$0.391
Rank
#324
Total Output Tokens
1,785,684
Response Time (avg)
177.34s
Total Cost
$2.365
Recommended model DeepSeek V4.1 Flash

Its score stays close to the best score here (5.8 vs 5.8), while costing about 6.1x less than Hy4 (low).

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 Hy4 Hy4 low Release: 2026-11-04
Score 5.8 5.8
Rank #329 #324
Reliability 9.7 9.6
Consistency 9.1 8.3
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 36.2% 60.9%
Flaky tests 3 5
Total Runs 69 69
Cost per result 2.806 21.492
Total Cost $0.391 $2.365
Input Price $0.013 / 1M $0.417 / 1M
Output Price $1.320 / 1M $1.251 / 1M
Cache Read Price $0.013 / 1M $0.021 / 1M
Cache Write Price N/A N/A
Total Input Tokens 337,756 314,431
Output Tokens 292,779 3,549
Reasoning Tokens 0 1,782,135
Response Time (avg) 16.63s 177.34s
Response Time (max) 247.66s 490.23s
Response Time (total) 382.53s 4078.93s
Parameters 748B total (16B active) ~770B total (~49B active)
Availability Open source Closed

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.

#329 DeepSeek V4.1 Flash

none
Cost
$0.021
Time
55.4s
Tokens
17,181 tok

#324 Hy4

low
OpenRouter returned no showcase content (finish_reason: length).
Cost
$0.083
Time
393.3s
Tokens
65,667 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
DeepSeek V4.1 Flash 5.5 10.0 33.3% 0 83.66s 7,284 263,438 0
Hy4 5.7 7.2 55.6% 1 275.42s 7,527 23 372,182

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