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DeepSeek V4.1 Flash vs Qwen3.8 Flash Next

The average score is effectively tied at 5.8 vs 5.8. Qwen3.8 Flash Next has the lower benchmark cost at ~$0.011 vs $0.453. Qwen3.8 Flash Next is faster at 5.71s vs 16.63s, with pass rates of 36.2% vs 43.5%.

Last updated at: 2026-10-05

Compared models

Rank
#260
Total Output Tokens
292,779
Response Time (avg)
16.63s
Total Cost
$0.453
Rank
#258
Total Output Tokens
9,077
Response Time (avg)
5.71s
Total Cost
~$0.011
Recommended model Qwen3.8 Flash Next

It has the best score here (5.8), while costing about 41.8x less than DeepSeek V4.1 Flash.

Detailed comparison

Metric DeepSeek V4.1 Flash DeepSeek V4.1 Flash none Release: 2026-09-10 Qwen3.8 Flash Next Qwen3.8 Flash Next none Release: 2026-10-04
Score 5.8 5.8
Rank #260 #258
Reliability 9.7 10.0
Consistency 9.1 9.0
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 36.2% 43.5%
Flaky tests 3 3
Total Runs 69 69
Cost per result 2.806 ~0.136
Total Cost $0.453 ~$0.011
Input Price $0.003 / 1M N/A
Output Price $2.400 / 1M N/A
Cache Read Price $0.003 / 1M N/A
Cache Write Price N/A N/A
Total Input Tokens 337,756 266,004
Output Tokens 292,779 9,077
Reasoning Tokens 0 0
Response Time (avg) 16.63s 5.71s
Response Time (max) 247.66s 65.25s
Response Time (total) 382.53s 131.36s
Parameters 748B total (16B active) 180B total (6B active)
Availability Open source Weights available

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.

#260 DeepSeek V4.1 Flash

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

#258 Qwen3.8 Flash Next

none
Cost
~$0.001
Time
27.5s
Tokens
2,983 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
Qwen3.8 Flash Next 5.5 10.0 33.3% 0 1.64s 7,911 669 0

Quick Compare

Switch Comparison Pair

DeepSeek V4.1 FlashnonevsLing 3.0 FlashhighDeepSeek V4.1 FlashnonevsRing 2.6 1tmediumTrinity Large ThinkinghighvsDeepSeek V4.1 FlashnoneDeepSeek V4.1 FlashnonevsGPT-5 NanomediumLing 3.0 FlashhighvsQwen3.8 Flash Nextnonegpt-oss-120bmediumvsQwen3.8 Flash NextnoneDeepSeek V4.1 FlashnonevsDots 3 Note PreviewmediumFree AvailableRing 2.6 1tmediumvsQwen3.8 Flash NextnoneTrinity Large ThinkinghighvsQwen3.8 Flash NextnoneGemini 3.1 Flash LiteminimalvsQwen3.8 Flash NextnoneGPT-5 NanomediumvsQwen3.8 Flash NextnoneDeepSeek V4.1 FlashnonevsSpace Bunny Alphalow