Model comparison
Inkling vs Qwen1.5 4b Chat
Inkling is the stronger model overall, scoring 44.1 to 28.8 on the Noometry Index.
Last verified . 13 shared benchmarks.
Alibaba (Qwen)Summary
- They share 13 benchmarks with published results for both. Inkling scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Inkling leads 65.2 to 23.8.
Side by side
| Inkling | Qwen1.5 4b Chat | |
|---|---|---|
| Provider | Thinking Machines Lab | Alibaba (Qwen) |
| Noometry Index | 44.1 | 28.8 |
| Released | 2026-07-15 | — |
| Weights | Open | Open |
| Context window | 66K | — |
| Max output | 66K | — |
| Input $ / M tokens | $1.87 | — |
| Output $ / M tokens | $4.68 | — |
| Results tracked | 41 | 13 |
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Category by category
Coding Inkling leads
Inkling: 34.5 (#234), Qwen1.5 4b Chat: 29.1 (#308)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1464 | 999 |
| FrontierCode | 14% | — |
| LMArena WebDev | 1413 | — |
| FrontierSWE | 4.1% | — |
| SciCode | 47% | — |
| WeirdML | 32.3% | — |
| ALE-Bench | 946 | — |
Agentic & Tool Use Not comparable
Inkling: 29.6 (#85), Qwen1.5 4b Chat: —
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| APEX-Agents | 33.8% | — |
| τ²-bench Banking | 25% | — |
Reasoning Inkling leads
Inkling: 40.4 (#56), Qwen1.5 4b Chat: 18.5 (#279)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1451 | 976 |
| ARC-AGI-2 | 36.5% | — |
| SimpleBench | 50% | — |
| ARC-AGI-1 | 79.5% | — |
| CritPt | 5.4% | — |
| Chess Puzzles | 21% | — |
| DTBench | 87.5% | — |
| LMCA | 37.6% | — |
| Epoch Capabilities Index | 148.54 | — |
Math Too close to call
Inkling: 31.3 (#225), Qwen1.5 4b Chat: 30.4 (#234)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1479 | 1026 |
| FrontierMath (Tiers 1-3) | 33.3% | — |
| FrontierMath Tier 4 | 4.9% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 0% | — |
Knowledge Inkling leads
Inkling: 55.1 (#49), Qwen1.5 4b Chat: 26.7 (#255)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1465 | 980 |
| GPQA Diamond | 88.3% | — |
| SimpleQA Verified | 40.3% | — |
Multilingual Inkling leads
Inkling: 54.0 (#52), Qwen1.5 4b Chat: 24.1 (#290)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1434 | 979 |
| LMArena Chinese | 1490 | 1024 |
| LMArena German | 1446 | 902 |
| LMArena Russian | 1429 | 952 |
| LMArena French | 1458 | — |
| LMArena Japanese | 1429 | — |
| LMArena Korean | 1404 | — |
| LMArena Spanish | 1448 | — |
Instruction Following Inkling leads
Inkling: 75.1 (#71), Qwen1.5 4b Chat: 49.0 (#300)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1426 | 978 |
Long Context Inkling leads
Inkling: 43.8 (#86), Qwen1.5 4b Chat: 30.1 (#290)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1434 | 988 |
Writing & Preference Inkling leads
Inkling: 65.2 (#51), Qwen1.5 4b Chat: 23.8 (#309)
| Benchmark | Inkling | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1441 | 997 |
| LMArena Creative Writing | 1387 | 969 |
| LMArena Multi-Turn | 1436 | 977 |
| EQ-Bench Creative Writing | 1611 | — |
| EQ-Bench 4 | 1226 | — |
Frequently asked questions
Is Inkling better than Qwen1.5 4b Chat?
Inkling is the stronger model overall, scoring 44.1 to 28.8 on the Noometry Index.
Is Inkling or Qwen1.5 4b Chat better for coding?
Inkling scores higher on coding benchmarks: 34.5 versus 29.1 in the Noometry coding category.
How many benchmarks do Inkling and Qwen1.5 4b Chat share?
13 benchmarks have published results for both models. Inkling has 41 scored results on Noometry and Qwen1.5 4b Chat has 13.