Noometry

Model comparison

Inkling-Small vs Qwen3.5 Plus

Inkling-Small is the stronger model overall, scoring 46.5 to 42.3 on the Noometry Index.

Last verified . 6 shared benchmarks.

Inkling-Small Thinking Machines Lab

46.5

Rank #57 Confirmed

Qwen3.5 Plus Alibaba (Qwen)

42.3

Rank #103 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Inkling-Small scores higher in 2 categories and Qwen3.5 Plus in 2 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Inkling-Small leads 39.0 to 32.0.
  • The biggest single-benchmark swing is Mystery Game Puzzles: 6% for Inkling-Small and 17% for Qwen3.5 Plus.
  • Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $0.40 / $2.40 for Qwen3.5 Plus.
  • Qwen3.5 Plus accepts more context: 1M tokens versus 524K.
  • Inkling-Small has downloadable open weights; the other is API-only.

Side by side

Inkling-SmallQwen3.5 Plus
ProviderThinking Machines LabAlibaba (Qwen)
Noometry Index46.542.3
Released2026-07-152026-02-16
WeightsOpenProprietary
Context window524K1M
Max output1.05M66K
Input $ / M tokens$0.45$0.40
Output $ / M tokens$1.20$2.40
Results tracked3315

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Category by category

Coding Not comparable

Inkling-Small: 43.3 (#80), Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
LMArena WebDev1408—
SciCode48.7%—
LMArena Coding1451—
ALE-Bench—621.92

Agentic & Tool Use Not comparable

Inkling-Small: —, Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
Vending-Bench 2—0.54

Reasoning Inkling-Small leads

Inkling-Small: 39.0 (#53), Qwen3.5 Plus: 32.0 (#67)

BenchmarkInkling-SmallQwen3.5 Plus
Chess Puzzles18%22%
Mystery Game Puzzles6%17%
Epoch Capabilities Index150.13146.79
ARC-AGI-240.1%—
ARC-AGI-184%—
CritPt8.3%—
LMArena Hard Prompts1424—
DTBench—80.5%
LMCA—36.4%

Math Qwen3.5 Plus leads

Inkling-Small: 44.9 (#65), Qwen3.5 Plus: 47.9 (#55)

BenchmarkInkling-SmallQwen3.5 Plus
OTIS Mock AIME 2024-202590%86.7%
FrontierMath (Tiers 1-3)46.3%—
FrontierMath Tier 417.1%—
ProofBench6%—
LMArena Math1453—
FrontierMath (Feb 2025 set)—21%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Inkling-Small leads

Inkling-Small: 48.3 (#71), Qwen3.5 Plus: 46.0 (#78)

BenchmarkInkling-SmallQwen3.5 Plus
GPQA Diamond88.5%84.8%
SimpleQA Verified19.1%25.4%
Vectara Hallucination Rate—10.7%
LMArena Expert1442—

Multimodal Not comparable

Inkling-Small: 38.4 (#59), Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
LMArena Vision1235—

Multilingual Not comparable

Inkling-Small: 51.7 (#102), Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
LMArena Non-English1400—
LMArena Chinese1458—
LMArena French1438—
LMArena German1412—
LMArena Japanese1399—
LMArena Korean1355—
LMArena Russian1392—
LMArena Spanish1426—

Instruction Following Not comparable

Inkling-Small: 73.9 (#112), Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
LMArena Instruction Following1397—

Long Context Too close to call

Inkling-Small: 42.7 (#113), Qwen3.5 Plus: 42.9 (#109)

BenchmarkInkling-SmallQwen3.5 Plus
CL-bench—19.8%
CL-bench Life—12.4%
LMArena Longer Query1401—

Writing & Preference Not comparable

Inkling-Small: 59.8 (#102), Qwen3.5 Plus: —

BenchmarkInkling-SmallQwen3.5 Plus
LMArena Text1413—
LMArena Creative Writing1330—
EQ-Bench Creative Writing1491—
LMArena Multi-Turn1420—

Frequently asked questions

Is Inkling-Small better than Qwen3.5 Plus?

Inkling-Small is the stronger model overall, scoring 46.5 to 42.3 on the Noometry Index.

Which is cheaper, Inkling-Small or Qwen3.5 Plus?

Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; Qwen3.5 Plus lists at $0.40 and $2.40.

Which has the bigger context window?

Qwen3.5 Plus does, with 1M tokens against 524K.

How many benchmarks do Inkling-Small and Qwen3.5 Plus share?

6 benchmarks have published results for both models. Inkling-Small has 33 scored results on Noometry and Qwen3.5 Plus has 15.

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