Model comparison

Qwen1.5-110B vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 33.6 on the Noometry Index.

Last verified . 0 shared benchmarks.

Qwen1.5-110B Alibaba (Qwen)

33.6

Rank #231 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.3

Rank #103 Confirmed

Summary

  • The widest gap is in math, where Qwen3.5 Plus leads 47.9 to 31.1.
  • Qwen1.5-110B has downloadable open weights; the other is API-only.

Side by side

Qwen1.5-110B and Qwen3.5 Plus specifications
Qwen1.5-110BQwen3.5 Plus
ProviderAlibaba (Qwen)Alibaba (Qwen)
Noometry Index33.642.3
Released2024-04-252026-02-16
WeightsOpenProprietary
Context window—1M
Max output—66K
Input $ / M tokens—$0.40
Output $ / M tokens—$2.40
Results tracked2015

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Category by category

Coding Not comparable

Qwen1.5-110B: 32.4 (#260), Qwen3.5 Plus: —

Coding benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
BigCodeBench Instruct35%—
LMArena Coding1184—
BigCodeBench Complete44.4%—
ALE-Bench—621.92

Agentic & Tool Use Not comparable

Qwen1.5-110B: —, Qwen3.5 Plus: —

Agentic & Tool Use benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

Qwen1.5-110B: 21.7 (#192), Qwen3.5 Plus: 32.0 (#67)

Reasoning benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
Chess Puzzles—22%
LMArena Hard Prompts1168—
Mystery Game Puzzles—17%
DTBench—80.5%
LMCA—36.4%
Epoch Capabilities Index—146.79
ForecastBench57.7—

Math Qwen3.5 Plus leads

Qwen1.5-110B: 31.1 (#199), Qwen3.5 Plus: 47.9 (#55)

Math benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
OTIS Mock AIME 2024-2025—86.7%
LMArena Math1185—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Qwen3.5 Plus leads

Qwen1.5-110B: 30.7 (#217), Qwen3.5 Plus: 46.0 (#78)

Knowledge benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
GPQA Diamond—84.8%
SimpleQA Verified—25.4%
Vectara Hallucination Rate—10.7%
LMArena Expert1144—

Multilingual Not comparable

Qwen1.5-110B: 33.8 (#245), Qwen3.5 Plus: —

Multilingual benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
LMArena Non-English1142—
LMArena Chinese1206—
LMArena French1150—
LMArena German1123—
LMArena Japanese1074—
LMArena Korean1044—
LMArena Russian1118—
LMArena Spanish1141—

Instruction Following Not comparable

Qwen1.5-110B: 60.6 (#247), Qwen3.5 Plus: —

Instruction Following benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
LMArena Instruction Following1158—

Long Context Qwen3.5 Plus leads

Qwen1.5-110B: 35.0 (#237), Qwen3.5 Plus: 42.9 (#109)

Long Context benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1157—

Writing & Preference Not comparable

Qwen1.5-110B: 38.1 (#250), Qwen3.5 Plus: —

Writing & Preference benchmarks
BenchmarkQwen1.5-110BQwen3.5 Plus
LMArena Text1175—
LMArena Creative Writing1148—
LMArena Multi-Turn1160—

Frequently asked questions

Is Qwen1.5-110B better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 33.6 on the Noometry Index.

How many benchmarks do Qwen1.5-110B and Qwen3.5 Plus share?

0 benchmarks have published results for both models. Qwen1.5-110B has 20 scored results on Noometry and Qwen3.5 Plus has 15.

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