# Inkling-Small vs Qwen3.5 Plus

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

- Canonical page: https://noometry.com/compare/inkling-small-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 6

## 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.

## Snapshot

| | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| Provider | Thinking Machines Lab | Alibaba (Qwen) |
| Noometry Index | 46.5 | 42.3 |
| Rank | 57 | 103 |
| Context | 524K | 1M |
| Input $/M | $0.45 | $0.40 |
| Output $/M | $1.20 | $2.40 |
| Weights | Open | Proprietary |

## Coding

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| LMArena WebDev | 1408 | — |
| SciCode | 48.7% | — |
| LMArena Coding | 1451 | — |
| ALE-Bench | — | 621.92 |

## Agentic & Tool Use

- Inkling-Small: —
- Qwen3.5 Plus: —

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | — | 0.54 |

## Reasoning

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 18% | 22% |
| Mystery Game Puzzles | 6% | 17% |
| Epoch Capabilities Index | 150.13 | 146.79 |
| ARC-AGI-2 | 40.1% | — |
| ARC-AGI-1 | 84% | — |
| CritPt | 8.3% | — |
| LMArena Hard Prompts | 1424 | — |
| DTBench | — | 80.5% |
| LMCA | — | 36.4% |

## Math

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 90% | 86.7% |
| FrontierMath (Tiers 1-3) | 46.3% | — |
| FrontierMath Tier 4 | 17.1% | — |
| ProofBench | 6% | — |
| LMArena Math | 1453 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 88.5% | 84.8% |
| SimpleQA Verified | 19.1% | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1442 | — |

## Multimodal

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1235 | — |

## Multilingual

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1400 | — |
| LMArena Chinese | 1458 | — |
| LMArena French | 1438 | — |
| LMArena German | 1412 | — |
| LMArena Japanese | 1399 | — |
| LMArena Korean | 1355 | — |
| LMArena Russian | 1392 | — |
| LMArena Spanish | 1426 | — |

## Instruction Following

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1397 | — |

## Long Context

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1401 | — |

## Writing & Preference

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

| Benchmark | Inkling-Small | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1413 | — |
| LMArena Creative Writing | 1330 | — |
| EQ-Bench Creative Writing | 1491 | — |
| LMArena Multi-Turn | 1420 | — |

## FAQ

### 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.