Model comparison
Devstral Small 2505 vs Molmo 2 8b
Molmo 2 8b is the stronger model overall, scoring 38.7 to 33.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Mistral AI
Allen Institute for AI (Ai2)Summary
- The widest gap is in reasoning, where Molmo 2 8b leads 24.5 to 19.1.
Side by side
| Devstral Small 2505 | Molmo 2 8b | |
|---|---|---|
| Provider | Mistral AI | Allen Institute for AI (Ai2) |
| Noometry Index | 33.9 | 38.7 |
| Released | 2025-05-07 | — |
| Weights | Open | Open |
| Context window | 128K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.30 | — |
| Results tracked | 4 | 5 |
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Category by category
Coding Not comparable
Devstral Small 2505: 38.6 (#160), Molmo 2 8b: —
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
Reasoning Molmo 2 8b leads
Devstral Small 2505: 19.1 (#243), Molmo 2 8b: 24.5 (#146)
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1288 |
Multimodal Not comparable
Devstral Small 2505: —, Molmo 2 8b: 29.5 (#106)
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |
Multilingual Not comparable
Devstral Small 2505: —, Molmo 2 8b: 42.8 (#186)
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | — | 1275 |
Instruction Following Not comparable
Devstral Small 2505: —, Molmo 2 8b: 67.2 (#196)
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | — | 1270 |
Writing & Preference Not comparable
Devstral Small 2505: —, Molmo 2 8b: 49.5 (#187)
| Benchmark | Devstral Small 2505 | Molmo 2 8b |
|---|---|---|
| LMArena Text | — | 1288 |
Frequently asked questions
Is Devstral Small 2505 better than Molmo 2 8b?
Molmo 2 8b is the stronger model overall, scoring 38.7 to 33.9 on the Noometry Index.
How many benchmarks do Devstral Small 2505 and Molmo 2 8b share?
0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Molmo 2 8b has 5.