Model comparison
Gemma 3 12B vs Molmo 2 8b
Molmo 2 8b is the stronger model overall, scoring 39.1 to 32.1 on the Noometry Index.
Last verified . 4 shared benchmarks.
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Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. Gemma 3 12B scores higher in 2 categories and Molmo 2 8b in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Molmo 2 8b leads 25.6 to 15.7.
Side by side
| Gemma 3 12B | Molmo 2 8b | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | |
| Noometry Index | 32.1 | 39.1 |
| Released | 2025-03-12 | — |
| Weights | Open | Open |
| Context window | 131K | — |
| Max output | 8K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 24 | 5 |
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Category by category
Coding Not comparable
Gemma 3 12B: 31.7 (#280), Molmo 2 8b: —
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| SciCode | 17.4% | — |
| LMArena Coding | 1281 | — |
Agentic & Tool Use Not comparable
Gemma 3 12B: 25.5 (#108), Molmo 2 8b: —
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| Berkeley Function Calling Leaderboard | 30.4% | — |
Reasoning Molmo 2 8b leads
Gemma 3 12B: 15.7 (#313), Molmo 2 8b: 25.6 (#146)
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1309 | 1287 |
| CritPt | 0% | — |
| Chess Puzzles | 0% | — |
| DTBench | 48.8% | — |
| LMCA | 4.5% | — |
| Epoch Capabilities Index | 123.5 | — |
Math Not comparable
Gemma 3 12B: 22.3 (#279), Molmo 2 8b: —
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 16.7% | — |
| LMArena Math | 1307 | — |
Knowledge Not comparable
Gemma 3 12B: 26.5 (#257), Molmo 2 8b: —
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| GPQA Diamond | 39.5% | — |
| Vectara Hallucination Rate | 4.4% | — |
| LMArena Expert | 1248 | — |
Multimodal Not comparable
Gemma 3 12B: —, Molmo 2 8b: 30.2 (#112)
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |
| MindCube | 46.7% | — |
Multilingual Gemma 3 12B leads
Gemma 3 12B: 45.7 (#165), Molmo 2 8b: 42.7 (#190)
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1318 | 1276 |
| LMArena German | 1370 | — |
| LMArena Russian | 1335 | — |
Instruction Following Gemma 3 12B leads
Gemma 3 12B: 68.6 (#186), Molmo 2 8b: 67.0 (#201)
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1299 | 1270 |
Long Context Not comparable
Gemma 3 12B: 40.0 (#162), Molmo 2 8b: —
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1317 | — |
Writing & Preference Molmo 2 8b leads
Gemma 3 12B: 47.5 (#209), Molmo 2 8b: 49.4 (#191)
| Benchmark | Gemma 3 12B | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1334 | 1288 |
| LMArena Creative Writing | 1331 | — |
| EQ-Bench Creative Writing | 1126 | — |
| LMArena Multi-Turn | 1334 | — |
Frequently asked questions
Is Gemma 3 12B better than Molmo 2 8b?
Molmo 2 8b is the stronger model overall, scoring 39.1 to 32.1 on the Noometry Index.
How many benchmarks do Gemma 3 12B and Molmo 2 8b share?
4 benchmarks have published results for both models. Gemma 3 12B has 24 scored results on Noometry and Molmo 2 8b has 5.