Model comparison
Granite 3.1 8b Instruct vs Molmo 2 8b
Molmo 2 8b is the stronger model overall, scoring 38.7 to 31.8 on the Noometry Index.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. Granite 3.1 8b Instruct scores higher in 0 categories and Molmo 2 8b in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Molmo 2 8b leads 49.5 to 35.7.
Side by side
| Granite 3.1 8b Instruct | Molmo 2 8b | |
|---|---|---|
| Provider | IBM | Allen Institute for AI (Ai2) |
| Noometry Index | 31.8 | 38.7 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 13 | 5 |
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Category by category
Coding Not comparable
Granite 3.1 8b Instruct: 33.9 (#232), Molmo 2 8b: —
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Coding | 1186 | — |
Agentic & Tool Use Not comparable
Granite 3.1 8b Instruct: 23.9 (#113), Molmo 2 8b: —
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Molmo 2 8b leads
Granite 3.1 8b Instruct: 21.2 (#204), Molmo 2 8b: 24.5 (#146)
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1146 | 1288 |
Math Not comparable
Granite 3.1 8b Instruct: 30.4 (#210), Molmo 2 8b: —
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Math | 1152 | — |
Knowledge Not comparable
Granite 3.1 8b Instruct: 30.6 (#218), Molmo 2 8b: —
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Expert | 1142 | — |
Multimodal Not comparable
Granite 3.1 8b Instruct: —, Molmo 2 8b: 29.5 (#106)
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |
Multilingual Molmo 2 8b leads
Granite 3.1 8b Instruct: 31.1 (#255), Molmo 2 8b: 42.8 (#186)
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1099 | 1275 |
| LMArena Chinese | 1145 | — |
| LMArena Russian | 1092 | — |
Instruction Following Molmo 2 8b leads
Granite 3.1 8b Instruct: 58.9 (#254), Molmo 2 8b: 67.2 (#196)
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1131 | 1270 |
Long Context Not comparable
Granite 3.1 8b Instruct: 35.2 (#236), Molmo 2 8b: —
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1162 | — |
Writing & Preference Molmo 2 8b leads
Granite 3.1 8b Instruct: 35.7 (#261), Molmo 2 8b: 49.5 (#187)
| Benchmark | Granite 3.1 8b Instruct | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1150 | 1288 |
| LMArena Creative Writing | 1129 | — |
| LMArena Multi-Turn | 1108 | — |
Frequently asked questions
Is Granite 3.1 8b Instruct better than Molmo 2 8b?
Molmo 2 8b is the stronger model overall, scoring 38.7 to 31.8 on the Noometry Index.
How many benchmarks do Granite 3.1 8b Instruct and Molmo 2 8b share?
4 benchmarks have published results for both models. Granite 3.1 8b Instruct has 13 scored results on Noometry and Molmo 2 8b has 5.