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#89

Qwen3.5 Plus 2026-04-20

Qwen Release: 2026-04-20 Tested on: 2026-05-08 13:10 qwen/qwen3.5-plus-20260420::none
(medium) (none)

Summary

Qwen3.5 Plus 2026-04-20 scores 5.9 on AI BENCHY and ranks #89. It has 9.9 reliability, a 45.6% pass rate, $0.040 total cost, and 4.77s average response time.

What makes Qwen3.5 Plus 2026-04-20 unique: It stands out most in Domain specific, where it ranks #2, while Combined is its weakest area at #10.

Score

5.9

Consistency

8.4

Reliability

9.9

Total Cost (Current Price)

$0.040

Total Output Tokens

11,150

Total Input Tokens

0

Input Price

$0.400 / 1M

Output Price

$2.400 / 1M

Tests Correct

Wrong Tests: 12

Attempt pass rate: 45.6%

Flaky tests

4

Flaky tests had mixed outcomes across runs (at least one pass and one fail).

Response Time (avg)

4.77s

Response Time (max): 33.34s

Response Time (total): 90.58s

Wrong answer: 10 Did not follow instructions: 1 No answer: 1

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#89 Qwen3.5 Plus 2026-04-20

none
Cost
$0.008
Time
77.0s
Tokens
4,369 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-06-04 13:10 New test added 5.7 10.0 $0.032 ↓ Compare
2026-05-21 23:47 Suite changed 5.8 9.9 $0.041 Compare
2026-05-08 13:10 Suite changed 5.9 9.9 $0.040 Compare
2026-05-08 13:10 Suite changed 5.9 9.9 $0.040 Current run
2026-04-27 23:05 Initial run 5.8 9.8 $0.024 Compare

This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.

Run comparison

RunScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-05-08 13:10 · Suite changed5.98.49.97/19411,1500$0.0404.77s
2026-04-27 23:05 · Initial run5.88.39.86/1844,6450$0.0243.18s
Difference+0.1+0.1+0.1+10+65050+$0.016+1587ms

These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.

Charts

Choose the first model, then click a second model to open a side-by-side page.

Total Output Tokens

Score vs Total Output Tokens

Quick Compare

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Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 4.8 10.0
Coding 5.3 3.4
Combined 2.8 1.6
Data parsing and extraction 10.0 10.0
Domain specific 5.3 10.0
General Intelligence 4.8 10.0
Instructions following 6.2 5.8
Puzzle Solving 6.7 7.9
Tool Calling 10.0 10.0
Trivia 3.0 10.0

Compared models