Model comparison

Granite 4.1 8b vs Qwen3.5 Plus

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 36.8 on the Noometry Index.

Last verified . 0 shared benchmarks.

Granite 4.1 8b IBM

36.8

Rank #202 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 33.8.
  • Granite 4.1 8b has downloadable open weights; the other is API-only.

Side by side

Granite 4.1 8b and Qwen3.5 Plus specifications
Granite 4.1 8bQwen3.5 Plus
ProviderIBMAlibaba (Qwen)
Noometry Index36.842.3
Released—2026-02-16
WeightsOpenProprietary
Context window—1M
Max output—66K
Input $ / M tokens—$0.40
Output $ / M tokens—$2.40
Results tracked1315

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Category by category

Coding Not comparable

Granite 4.1 8b: 29.9 (#291), Qwen3.5 Plus: —

Coding benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
LMArena WebDev1190—
LMArena Coding1313—
ALE-Bench—621.92

Agentic & Tool Use Not comparable

Granite 4.1 8b: —, Qwen3.5 Plus: —

Agentic & Tool Use benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
Vending-Bench 2—0.54

Reasoning Qwen3.5 Plus leads

Granite 4.1 8b: 24.6 (#142), Qwen3.5 Plus: 32.0 (#67)

Reasoning benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
Chess Puzzles—22%
LMArena Hard Prompts1294—
Mystery Game Puzzles—17%
DTBench—80.5%
LMCA—36.4%
Epoch Capabilities Index—146.79

Math Qwen3.5 Plus leads

Granite 4.1 8b: 33.8 (#167), Qwen3.5 Plus: 47.9 (#55)

Math benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
OTIS Mock AIME 2024-2025—86.7%
LMArena Math1311—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Qwen3.5 Plus leads

Granite 4.1 8b: 35.5 (#171), Qwen3.5 Plus: 46.0 (#78)

Knowledge benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
GPQA Diamond—84.8%
SimpleQA Verified—25.4%
Vectara Hallucination Rate—10.7%
LMArena Expert1310—

Multilingual Not comparable

Granite 4.1 8b: 41.8 (#199), Qwen3.5 Plus: —

Multilingual benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
LMArena Non-English1261—
LMArena Chinese1335—
LMArena Russian1238—

Instruction Following Not comparable

Granite 4.1 8b: 67.0 (#198), Qwen3.5 Plus: —

Instruction Following benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
LMArena Instruction Following1268—

Long Context Qwen3.5 Plus leads

Granite 4.1 8b: 38.7 (#188), Qwen3.5 Plus: 42.9 (#109)

Long Context benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1275—

Writing & Preference Not comparable

Granite 4.1 8b: 48.3 (#199), Qwen3.5 Plus: —

Writing & Preference benchmarks
BenchmarkGranite 4.1 8bQwen3.5 Plus
LMArena Text1291—
LMArena Creative Writing1249—
LMArena Multi-Turn1269—

Frequently asked questions

Is Granite 4.1 8b better than Qwen3.5 Plus?

Qwen3.5 Plus is the stronger model overall, scoring 42.3 to 36.8 on the Noometry Index.

How many benchmarks do Granite 4.1 8b and Qwen3.5 Plus share?

0 benchmarks have published results for both models. Granite 4.1 8b has 13 scored results on Noometry and Qwen3.5 Plus has 15.

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