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#115

Qwen3.5 Plus 2026-04-20

Qwen Release: 2026-04-20 Tested on: 2026-06-04 13:10 qwen/qwen3.5-plus-20260420::none
(medium) (none)

Summary

Qwen3.5 Plus 2026-04-20 scores 5.7 on AI BENCHY and ranks #115. It has 10.0 reliability, a 41.3% pass rate, $0.032 total cost, and 4.39s average response time.

What makes Qwen3.5 Plus 2026-04-20 unique: It stands out most in Puzzle Solving, where it ranks #3, while Instructions following is its weakest area at #11.

Score

5.7

Consistency

8.6

Reliability

10.0

Total Cost (Current Price)

$0.032 ↓ -23.7%

Tested at: $0.042

Total Output Tokens

11,145

Total Input Tokens

38,910

Input Price

$0.300 / 1M

Output Price

$1.800 / 1M

Tests Correct

Wrong Tests: 14

Attempt pass rate: 41.3%

Flaky tests

4

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

Response Time (avg)

4.39s

Response Time (max): 33.34s

Response Time (total): 92.26s

Wrong answer: 12 Did not follow instructions: 2

Generation showcase

Hamster playing table tennis

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

#115 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 ↓ Current run
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 Compare
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.

Price History

Historical pricing data for this model from OpenRouter.

Date Input Price Output Price
2026-06-04 15:40 $0.300 / 1M $1.800 / 1M

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 3.9 7.8
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

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