Model comparison
Molmo 2 8b vs Step 3.7 Flash
Molmo 2 8b is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)
StepFunSummary
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 21.6.
Side by side
| Molmo 2 8b | Step 3.7 Flash | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | StepFun |
| Noometry Index | 39.1 | 37.3 |
| Released | — | 2026-05-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 5 | 5 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Step 3.7 Flash: 40.0 (#150)
Reasoning Molmo 2 8b leads
Molmo 2 8b: 25.6 (#146), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1287 | — |
Math Not comparable
Molmo 2 8b: —, Step 3.7 Flash: 42.9 (#82)
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), Step 3.7 Flash: —
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Not comparable
Molmo 2 8b: 42.7 (#190), Step 3.7 Flash: —
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1276 | — |
Instruction Following Not comparable
Molmo 2 8b: 67.0 (#201), Step 3.7 Flash: —
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1270 | — |
Writing & Preference Not comparable
Molmo 2 8b: 49.4 (#191), Step 3.7 Flash: —
| Benchmark | Molmo 2 8b | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1288 | — |
Frequently asked questions
Is Molmo 2 8b better than Step 3.7 Flash?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.
How many benchmarks do Molmo 2 8b and Step 3.7 Flash share?
0 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Step 3.7 Flash has 5.