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#8

Qwen3.5 Plus 2026-02-15

Qwen Release: 2026-02-15 Tested on: 2026-04-11 01:44 qwen/qwen3.5-plus-02-15::medium
~397B total (~17B active)MoEClosedEstimated
(medium) (none)

Summary

Qwen3.5 Plus 2026-02-15 scores 8.5 on AI BENCHY and ranks #8. It has N/A reliability, a 83.3% pass rate, $0.220 total cost, and 46.56s average response time.

What makes Qwen3.5 Plus 2026-02-15 unique: Its total benchmark cost is unusually low for its score range.

Model facts

Researched on 2026-08-12

Estimated
Parameters
~397B total (~17B active)
Architecture
MoE
Availability
Closed
License
-

Best estimate from public evidence; the vendor did not disclose every value. Estimate from the released 397B/A17B family architecture.

Score

8.5

Consistency

9.1

Reliability

N/A

Total Output Tokens

114,010

Total Input Tokens

0

Input Price

$0.260 / 1M

Output Price

$1.560 / 1M

Cache Read Price

N/A

Cache Write Price

N/A

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Tests Correct

Wrong Tests: 4

Attempt pass rate: 83.3%

Flaky tests

2

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

Response Time (avg)

46.56s

Response Time (max): 120.91s

Response Time (total): 512.20s

Hamster playing table tennis

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

#8 Qwen3.5 Plus 2026-02-15

medium
Cost
$0.011
Time
125.5s
Tokens
7,040 tok

Run history

Tested on Score Reliability Tests Correct Total Cost Compare
2026-08-14 01:42 Re-test 7.5 10.0 $0.459 ↓ Compare
2026-07-16 21:32 New test added 7.5 10.0 $0.437 ↓ Compare
2026-06-04 13:17 New test added 7.9 8.9 $0.310 ↓ Compare
2026-05-21 23:53 Suite changed 8.1 10.0 $0.317 Compare
2026-04-11 01:44 First recorded run 8.5 N/A $0.220 Current run

Run comparison

RunBenchmark coverageScoreConsistencyReliabilityTests CorrectFlaky testsTotal Output TokensTotal Input TokensTotal CostResponse Time (avg)
2026-04-11 01:44 · First recorded run54/54 attempts8.59.1N/A14/182114,0100$0.22046.56s
2026-06-04 13:17 · New test added63/63 attempts7.98.58.914/214191,76340,918$0.31073.79s
Difference—+0.6+0.60-2-77753-40918-$0.091-27227ms

Benchmark coverage differs: 54/54 attempts (Target: 3 repeats per test) versus 63/63 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.

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

Category Breakdown

Category Score Consistency Tests Correct
Anti-AI Tricks 8.2 7.9
Coding 10.0 10.0
Combined 10.0 10.0
Data parsing and extraction 10.0 10.0
Domain specific 5.3 10.0
General Intelligence 4.7 1.6
Instructions following 10.0 10.0
Puzzle Solving 10.0 10.0
Tool Calling 10.0 10.0

Compared models