Model comparison
Molmo 2 8b vs Qwen1.5 4b Chat
Molmo 2 8b is the stronger model overall, scoring 38.7 to 28.3 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 4 categories and Qwen1.5 4b Chat in 0 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Molmo 2 8b leads 49.5 to 23.9.
Side by side
| Molmo 2 8b | Qwen1.5 4b Chat | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Alibaba (Qwen) |
| Noometry Index | 38.7 | 28.3 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 5 | 13 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Qwen1.5 4b Chat: 28.6 (#305)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | — | 999 |
Reasoning Molmo 2 8b leads
Molmo 2 8b: 24.5 (#146), Qwen1.5 4b Chat: 17.7 (#277)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1288 | 976 |
Math Not comparable
Molmo 2 8b: —, Qwen1.5 4b Chat: 27.9 (#233)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | — | 1026 |
Knowledge Not comparable
Molmo 2 8b: —, Qwen1.5 4b Chat: 26.2 (#252)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | — | 980 |
Multimodal Not comparable
Molmo 2 8b: 29.5 (#106), Qwen1.5 4b Chat: —
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Molmo 2 8b leads
Molmo 2 8b: 42.8 (#186), Qwen1.5 4b Chat: 24.2 (#285)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1275 | 979 |
| LMArena Chinese | — | 1024 |
| LMArena German | — | 902 |
| LMArena Russian | — | 952 |
Instruction Following Molmo 2 8b leads
Molmo 2 8b: 67.2 (#196), Qwen1.5 4b Chat: 49.3 (#295)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1270 | 979 |
Long Context Not comparable
Molmo 2 8b: —, Qwen1.5 4b Chat: 30.1 (#285)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | — | 988 |
Writing & Preference Molmo 2 8b leads
Molmo 2 8b: 49.5 (#187), Qwen1.5 4b Chat: 23.9 (#304)
| Benchmark | Molmo 2 8b | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1288 | 997 |
| LMArena Creative Writing | — | 969 |
| LMArena Multi-Turn | — | 977 |
Frequently asked questions
Is Molmo 2 8b better than Qwen1.5 4b Chat?
Molmo 2 8b is the stronger model overall, scoring 38.7 to 28.3 on the Noometry Index.
How many benchmarks do Molmo 2 8b and Qwen1.5 4b Chat share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Qwen1.5 4b Chat has 13.