Model comparison

Inkling-Small vs Qwen3.5-9B

Inkling-Small is the stronger model overall, scoring 46.5 to 33.3 on the Noometry Index. Qwen3.5-9B costs 5.7× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

Last verified . 6 shared benchmarks.

Inkling-Small Thinking Machines Lab

46.5

Rank #57 Confirmed

Qwen3.5-9B Alibaba (Qwen)

33.3

Rank #235 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Inkling-Small scores higher in 4 categories and Qwen3.5-9B in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Inkling-Small leads 39.0 to 22.5.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 90% for Inkling-Small and 61.7% for Qwen3.5-9B.
  • Qwen3.5-9B is cheaper at $0.10 / $0.15 per million input/output tokens, against $0.45 / $1.20 for Inkling-Small.
  • Inkling-Small accepts more context: 524K tokens versus 262K.

Side by side

Inkling-Small and Qwen3.5-9B specifications
Inkling-SmallQwen3.5-9B
ProviderThinking Machines LabAlibaba (Qwen)
Noometry Index46.533.3
Released2026-07-152026-02-23
WeightsOpenOpen
Context window524K262K
Max output1.05M66K
Input $ / M tokens$0.45$0.10
Output $ / M tokens$1.20$0.15
Results tracked3310

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Category by category

Coding Inkling-Small leads

Inkling-Small: 43.3 (#80), Qwen3.5-9B: 35.3 (#213)

Coding benchmarks
BenchmarkInkling-SmallQwen3.5-9B
SciCode48.7%27.5%
LMArena WebDev1408—
LMArena Coding1451—

Agentic & Tool Use Not comparable

Inkling-Small: —, Qwen3.5-9B: 14.4 (#143)

Agentic & Tool Use benchmarks
BenchmarkInkling-SmallQwen3.5-9B
Terminal-Bench—9.2%

Reasoning Inkling-Small leads

Inkling-Small: 39.0 (#53), Qwen3.5-9B: 22.5 (#178)

Reasoning benchmarks
BenchmarkInkling-SmallQwen3.5-9B
CritPt8.3%0.3%
Chess Puzzles18%12%
Epoch Capabilities Index150.13139.45
ARC-AGI-240.1%—
ARC-AGI-184%—
LMArena Hard Prompts1424—
Mystery Game Puzzles6%—
DTBench—71.2%
LMCA—24.5%

Math Inkling-Small leads

Inkling-Small: 44.9 (#65), Qwen3.5-9B: 33.5 (#174)

Math benchmarks
BenchmarkInkling-SmallQwen3.5-9B
OTIS Mock AIME 2024-202590%61.7%
FrontierMath (Tiers 1-3)46.3%—
FrontierMath Tier 417.1%—
MathArena Final-Answer Competitions—48.5%
ProofBench6%—
LMArena Math1453—

Knowledge Inkling-Small leads

Inkling-Small: 48.3 (#71), Qwen3.5-9B: 46.0 (#77)

Knowledge benchmarks
BenchmarkInkling-SmallQwen3.5-9B
GPQA Diamond88.5%79%
SimpleQA Verified19.1%—
LMArena Expert1442—

Multimodal Not comparable

Inkling-Small: 38.4 (#59), Qwen3.5-9B: —

Multimodal benchmarks
BenchmarkInkling-SmallQwen3.5-9B
LMArena Vision1235—

Multilingual Not comparable

Inkling-Small: 51.7 (#102), Qwen3.5-9B: —

Multilingual benchmarks
BenchmarkInkling-SmallQwen3.5-9B
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), Qwen3.5-9B: —

Instruction Following benchmarks
BenchmarkInkling-SmallQwen3.5-9B
LMArena Instruction Following1397—

Long Context Not comparable

Inkling-Small: 42.7 (#113), Qwen3.5-9B: —

Long Context benchmarks
BenchmarkInkling-SmallQwen3.5-9B
LMArena Longer Query1401—

Writing & Preference Not comparable

Inkling-Small: 59.8 (#102), Qwen3.5-9B: —

Writing & Preference benchmarks
BenchmarkInkling-SmallQwen3.5-9B
LMArena Text1413—
LMArena Creative Writing1330—
EQ-Bench Creative Writing1491—
LMArena Multi-Turn1420—

Frequently asked questions

Is Inkling-Small better than Qwen3.5-9B?

Inkling-Small is the stronger model overall, scoring 46.5 to 33.3 on the Noometry Index. Qwen3.5-9B costs 5.7× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

Which is cheaper, Inkling-Small or Qwen3.5-9B?

Qwen3.5-9B is cheaper. It lists at $0.10 per million input tokens and $0.15 per million output tokens; Inkling-Small lists at $0.45 and $1.20.

Is Inkling-Small or Qwen3.5-9B better for coding?

Inkling-Small scores higher on coding benchmarks: 43.3 versus 35.3 in the Noometry coding category.

Which has the bigger context window?

Inkling-Small does, with 524K tokens against 262K.

How many benchmarks do Inkling-Small and Qwen3.5-9B share?

6 benchmarks have published results for both models. Inkling-Small has 33 scored results on Noometry and Qwen3.5-9B has 10.

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