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Qwen3.5-27B vs Qwen3.8 27B (medium)

The average score is effectively tied at 7.2 vs 7.2. Qwen3.8 27B (medium) has the lower benchmark cost at ~$0.073 vs $0.116. Qwen3.5-27B is faster at 9.98s vs 40.09s, with pass rates of 47.8% vs 66.7%.

Last updated at: 2026-10-09

Compared models

Rank
#149
Total Output Tokens
36,422
Response Time (avg)
9.98s
Total Cost
$0.116
Rank
#151
Total Output Tokens
170,696
Response Time (avg)
40.09s
Total Cost
~$0.073
Recommended model Qwen3.5-27B

It has the best score here (7.2), while responding about 4.0x faster than Qwen3.8 27B (medium).

Detailed comparison

Metric Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24 Qwen3.8 27B Qwen3.8 27B medium Release: 2026-08-14 Free Available
Score 7.2 7.2
Rank #149 #151
Reliability 10.0 9.7
Consistency 9.4 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 47.8% 66.7%
Flaky tests 2 2
Total Runs 69 69
Cost per result 1.153 ~0.520
Total Cost $0.116 ~$0.073
Input Price $0.195 / 1M N/A
Output Price $1.560 / 1M N/A
Cache Read Price N/A N/A
Cache Write Price N/A N/A
Total Input Tokens 283,977 277,164
Output Tokens 36,422 1,913
Reasoning Tokens 0 168,783
Response Time (avg) 9.98s 40.09s
Response Time (max) 124.53s 214.63s
Response Time (total) 229.52s 881.89s
Parameters 27B 27.3B
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.

#149 Qwen3.5-27B

none
Cost
$0.007
Time
42.9s
Tokens
4,273 tok

#151 Qwen3.8 27B

medium
Cost
~$0.002
Time
43.4s
Tokens
2,956 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
Qwen3.5-27B 5.8 10.0 33.3% 0 1.80s 7,913 415 0
Qwen3.8 27B 10.0 10.0 100.0% 0 40.50s 7,893 585 26,808

Quick Compare

Switch Comparison Pair

Gemini 3.8 FlashlowvsQwen3.8 27BmediumFree AvailableClaude Opus 4.8lowvsQwen3.8 27BmediumFree AvailableGemini 3.5 Flash LitemediumvsQwen3.5-27BnoneGemini 3.8 FlashlowvsQwen3.5-27BnoneLongCat 2.0highvsQwen3.5-27BnoneGemini 2.5 FlashmediumvsQwen3.5-27BnoneClaude Opus 4.8lowvsQwen3.5-27BnoneQwen3.8 27BmediumFree AvailablevsStep 3.7 FlashlowQwen3.5-27BnonevsGrok 4.7mediumClaude Fable 5.1mediumvsQwen3.5-27BnoneLongCat 2.0mediumvsQwen3.5-27BnoneClaude Opus 5nonevsQwen3.8 27BmediumFree Available