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Qwen3.5-27B vs Qwen3.5 Plus 2026-02-15 (medium)

The average score is effectively tied at 7.2 vs 7.2. Qwen3.5-27B has the lower benchmark cost at $0.116 vs $0.567. Qwen3.5-27B is faster at 9.98s vs 97.68s, with pass rates of 47.8% vs 72.5%.

Last updated at: 2026-10-03

Compared models

Rank
#141
Total Output Tokens
36,422
Response Time (avg)
9.98s
Total Cost
$0.116
Rank
#142
Total Output Tokens
302,730
Response Time (avg)
97.68s
Total Cost
$0.567
Recommended model Qwen3.5-27B

It has the best score here (7.2), while costing about 4.9x less than Qwen3.5 Plus 2026-02-15 (medium).

Detailed comparison

Metric Qwen3.5-27B Qwen3.5-27B none Release: 2026-02-24 Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 medium Release: 2026-02-15
Score 7.2 7.2
Rank #141 #142
Reliability 10.0 10.0
Consistency 9.4 7.9
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 47.8% 72.5%
Flaky tests 2 6
Total Runs 69 69
Cost per result 1.153 4.047
Total Cost $0.116 $0.567
Input Price $0.195 / 1M $0.260 / 1M
Output Price $1.560 / 1M $1.560 / 1M
Cache Read Price N/A N/A
Cache Write Price N/A N/A
Total Input Tokens 283,977 249,486
Output Tokens 36,422 14,481
Reasoning Tokens 0 288,249
Response Time (avg) 9.98s 97.68s
Response Time (max) 124.53s 304.85s
Response Time (total) 229.52s 1562.81s
Parameters 27B ~397B total (~17B 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.

#141 Qwen3.5-27B

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

#142 Qwen3.5 Plus 2026-02-15

medium
Cost
$0.011
Time
125.5s
Tokens
7,040 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
Qwen3.5 Plus 2026-02-15 6.6 7.1 44.4% 1 180.70s 6,950 420 80,595

Quick Compare

Switch Comparison Pair

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