Model comparison
Nova 2 Lite vs Qwen1.5 4b Chat
Nova 2 Lite is the stronger model overall, scoring 39.0 to 28.3 on the Noometry Index.
Last verified . 13 shared benchmarks.
Alibaba (Qwen)Summary
- They share 13 benchmarks with published results for both. Nova 2 Lite scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Nova 2 Lite leads 54.1 to 23.9.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.
Side by side
| Nova 2 Lite | Qwen1.5 4b Chat | |
|---|---|---|
| Provider | Amazon | Alibaba (Qwen) |
| Noometry Index | 39.0 | 28.3 |
| Released | 2025-12-01 | — |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 64K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 19 | 13 |
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Category by category
Coding Nova 2 Lite leads
Nova 2 Lite: 40.1 (#131), Qwen1.5 4b Chat: 28.6 (#305)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1386 | 999 |
Agentic & Tool Use Not comparable
Nova 2 Lite: 23.9 (#114), Qwen1.5 4b Chat: —
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Nova 2 Lite leads
Nova 2 Lite: 26.4 (#120), Qwen1.5 4b Chat: 17.7 (#277)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1364 | 976 |
Math Nova 2 Lite leads
Nova 2 Lite: 34.8 (#154), Qwen1.5 4b Chat: 27.9 (#233)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1359 | 1026 |
Knowledge Nova 2 Lite leads
Nova 2 Lite: 42.5 (#88), Qwen1.5 4b Chat: 26.2 (#252)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1360 | 980 |
| Vectara Hallucination Rate | 5.1% | — |
Multilingual Nova 2 Lite leads
Nova 2 Lite: 47.3 (#148), Qwen1.5 4b Chat: 24.2 (#285)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1337 | 979 |
| LMArena Chinese | 1364 | 1024 |
| LMArena German | 1343 | 902 |
| LMArena Russian | 1343 | 952 |
| LMArena French | 1381 | — |
| LMArena Japanese | 1273 | — |
| LMArena Korean | 1284 | — |
| LMArena Spanish | 1372 | — |
Instruction Following Nova 2 Lite leads
Nova 2 Lite: 70.7 (#156), Qwen1.5 4b Chat: 49.3 (#295)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1335 | 979 |
Long Context Nova 2 Lite leads
Nova 2 Lite: 40.6 (#145), Qwen1.5 4b Chat: 30.1 (#285)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1335 | 988 |
Writing & Preference Nova 2 Lite leads
Nova 2 Lite: 54.1 (#150), Qwen1.5 4b Chat: 23.9 (#304)
| Benchmark | Nova 2 Lite | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1362 | 997 |
| LMArena Creative Writing | 1291 | 969 |
| LMArena Multi-Turn | 1338 | 977 |
Frequently asked questions
Is Nova 2 Lite better than Qwen1.5 4b Chat?
Nova 2 Lite is the stronger model overall, scoring 39.0 to 28.3 on the Noometry Index.
Is Nova 2 Lite or Qwen1.5 4b Chat better for coding?
Nova 2 Lite scores higher on coding benchmarks: 40.1 versus 28.6 in the Noometry coding category.
How many benchmarks do Nova 2 Lite and Qwen1.5 4b Chat share?
13 benchmarks have published results for both models. Nova 2 Lite has 19 scored results on Noometry and Qwen1.5 4b Chat has 13.