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Qwen: Qwen3.5 Plus 2026-02-15 vs Qwen3.6 Plus Preview

Last updated at: 2026-04-04

Metric Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15 Qwen3.6 Plus Preview Qwen3.6 Plus Preview medium Release: 2026-03-30
Score 6.8 8.5
Rank #47 #7
Consistency 9.6 10.0
Tests Correct
Attempt pass rate 54.9% 76.5%
Flaky tests 1 0
Total Runs 51 49
Cost per result 0.172 0.000
Total Cost $0.016 $0.000
Input Price $0.260 / 1M $0.000 / 1M
Output Price $1.560 / 1M $0.000 / 1M
Output Tokens 2,018 1,756
Reasoning Tokens 0 77,213
Response Time (avg) 2.51s 13.94s
Response Time (max) 6.65s 43.55s
Response Time (total) 27.60s 237.01s

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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 4.8 10.0 25.0% 0 1.91s 517 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 9.90s 207 7,557
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 3.0 10.0 0.0% 0 6.65s 314 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 34.95s 452 13,073
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 1.89s 243 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 14.95s 270 10,706
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 5.3 10.0 33.3% 0 1.17s 17 0
Qwen3.6 Plus Preview 3.0 10.0 0.0% 0 22.08s 49 26,895
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 4.4 3.0 33.3% 1 2.26s 117 0
Qwen3.6 Plus Preview 5.1 10.0 0.0% 0 27.05s 111 5,232
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 1.67s 72 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 7.54s 102 5,552
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 7.7 10.0 66.7% 0 2.82s 516 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 6.11s 298 6,868
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 3.33s 222 0
Qwen3.6 Plus Preview 10.0 10.0 100.0% 0 5.87s 267 1,330

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