Model comparison
Molmo 2 8b vs Nova 2 Lite
Molmo 2 8b and Nova 2 Lite score almost the same on the Noometry Index (39.1 vs 39.7), so choose on price, context window or the category you care about most.
Last verified . 4 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 4 benchmarks with published results for both. Molmo 2 8b scores higher in 0 categories and Nova 2 Lite in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Nova 2 Lite leads 53.9 to 49.4.
- Molmo 2 8b has downloadable open weights; the other is API-only.
Side by side
| Molmo 2 8b | Nova 2 Lite | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Amazon |
| Noometry Index | 39.1 | 39.7 |
| Released | — | 2025-12-01 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 5 | 19 |
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Category by category
Coding Not comparable
Molmo 2 8b: —, Nova 2 Lite: 40.7 (#134)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Coding | — | 1385 |
Agentic & Tool Use Not comparable
Molmo 2 8b: —, Nova 2 Lite: 24.1 (#121)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
Reasoning Nova 2 Lite leads
Molmo 2 8b: 25.6 (#146), Nova 2 Lite: 27.5 (#118)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1287 | 1364 |
Math Not comparable
Molmo 2 8b: —, Nova 2 Lite: 37.5 (#156)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Math | — | 1359 |
Knowledge Not comparable
Molmo 2 8b: —, Nova 2 Lite: 43.0 (#94)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| Vectara Hallucination Rate | — | 5.1% |
| LMArena Expert | — | 1358 |
Multimodal Not comparable
Molmo 2 8b: 30.2 (#112), Nova 2 Lite: —
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Vision | 1081 | — |
Multilingual Nova 2 Lite leads
Molmo 2 8b: 42.7 (#190), Nova 2 Lite: 47.1 (#153)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1276 | 1337 |
| LMArena Chinese | — | 1364 |
| LMArena French | — | 1381 |
| LMArena German | — | 1343 |
| LMArena Japanese | — | 1271 |
| LMArena Korean | — | 1284 |
| LMArena Russian | — | 1343 |
| LMArena Spanish | — | 1373 |
Instruction Following Nova 2 Lite leads
Molmo 2 8b: 67.0 (#201), Nova 2 Lite: 70.5 (#161)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1270 | 1335 |
Long Context Not comparable
Molmo 2 8b: —, Nova 2 Lite: 40.6 (#150)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | — | 1335 |
Writing & Preference Nova 2 Lite leads
Molmo 2 8b: 49.4 (#191), Nova 2 Lite: 53.9 (#154)
| Benchmark | Molmo 2 8b | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1288 | 1362 |
| LMArena Creative Writing | — | 1291 |
| LMArena Multi-Turn | — | 1338 |
Frequently asked questions
Is Molmo 2 8b better than Nova 2 Lite?
Molmo 2 8b and Nova 2 Lite score almost the same on the Noometry Index (39.1 vs 39.7), so choose on price, context window or the category you care about most.
How many benchmarks do Molmo 2 8b and Nova 2 Lite share?
4 benchmarks have published results for both models. Molmo 2 8b has 5 scored results on Noometry and Nova 2 Lite has 19.