Model comparison
Molmo 2 8b vs Qwen3.5 35B-A3B
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 39.1 on the Noometry Index.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)
Alibaba (Qwen)Summary
- They share 4 benchmarks with published results for both. Molmo 2 8b scores higher in 1 category and Qwen3.5 35B-A3B in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Qwen3.5 35B-A3B leads 57.9 to 49.4.
Side by side
| Molmo 2 8b | Qwen3.5 35B-A3B | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Alibaba (Qwen) |
| Noometry Index | 39.1 | 42.0 |
| Released | — | 2026-02-01 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $2 |
| Results tracked | 5 | 28 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Qwen3.5 35B-A3B: 33.8 (#251)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena WebDev | — | 1254 |
| SciCode | — | 29.3% |
| LMArena Coding | — | 1410 |
Reasoning Too close to call
Molmo 2 8b: 25.6 (#146), Qwen3.5 35B-A3B: 24.6 (#161)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1400 |
| CritPt | — | 0.6% |
| Chess Puzzles | — | 10% |
| DTBench | — | 80% |
| LMCA | — | 29.5% |
| Epoch Capabilities Index | — | 142.52 |
Math Not comparable
Molmo 2 8b: —, Qwen3.5 35B-A3B: 39.9 (#97)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 56% |
| OTIS Mock AIME 2024-2025 | — | 70% |
| LMArena Math | — | 1404 |
Knowledge Not comparable
Molmo 2 8b: —, Qwen3.5 35B-A3B: 47.8 (#79)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| GPQA Diamond | — | 83.5% |
| Vectara Hallucination Rate | — | 10.5% |
| LMArena Expert | — | 1408 |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), Qwen3.5 35B-A3B: —
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Qwen3.5 35B-A3B leads
Molmo 2 8b: 42.7 (#190), Qwen3.5 35B-A3B: 50.0 (#127)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Non-English | 1276 | 1378 |
| LMArena Chinese | — | 1457 |
| LMArena French | — | 1412 |
| LMArena German | — | 1367 |
| LMArena Japanese | — | 1325 |
| LMArena Korean | — | 1356 |
| LMArena Russian | — | 1376 |
| LMArena Spanish | — | 1392 |
Instruction Following Qwen3.5 35B-A3B leads
Molmo 2 8b: 67.0 (#201), Qwen3.5 35B-A3B: 72.8 (#128)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Instruction Following | 1270 | 1379 |
Long Context Not comparable
Molmo 2 8b: —, Qwen3.5 35B-A3B: 42.4 (#127)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Longer Query | — | 1389 |
Writing & Preference Qwen3.5 35B-A3B leads
Molmo 2 8b: 49.4 (#191), Qwen3.5 35B-A3B: 57.9 (#124)
| Benchmark | Molmo 2 8b | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Text | 1288 | 1395 |
| LMArena Creative Writing | — | 1346 |
| LMArena Multi-Turn | — | 1390 |
Frequently asked questions
Is Molmo 2 8b better than Qwen3.5 35B-A3B?
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 39.1 on the Noometry Index.
How many benchmarks do Molmo 2 8b and Qwen3.5 35B-A3B share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Qwen3.5 35B-A3B has 28.