Model comparison
Nova 2 Lite vs Yi-1.5-34B
Nova 2 Lite is the stronger model overall, scoring 39.7 to 30.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Nova 2 Lite scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nova 2 Lite leads 43.0 to 14.8.
- Yi-1.5-34B has downloadable open weights; the other is API-only.
Side by side
| Nova 2 Lite | Yi-1.5-34B | |
|---|---|---|
| Provider | Amazon | 01.AI |
| Noometry Index | 39.7 | 30.6 |
| Released | 2025-12-01 | 2024-05-13 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 64K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 19 | 21 |
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Category by category
Coding Nova 2 Lite leads
Nova 2 Lite: 40.7 (#134), Yi-1.5-34B: 32.4 (#272)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1385 | 1169 |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
Agentic & Tool Use Not comparable
Nova 2 Lite: 24.1 (#121), Yi-1.5-34B: —
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Nova 2 Lite leads
Nova 2 Lite: 27.5 (#118), Yi-1.5-34B: 22.5 (#191)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1364 | 1160 |
Math Nova 2 Lite leads
Nova 2 Lite: 37.5 (#156), Yi-1.5-34B: 27.5 (#249)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1359 | 1182 |
| MATH Level 5 | — | 25.5% |
Knowledge Nova 2 Lite leads
Nova 2 Lite: 43.0 (#94), Yi-1.5-34B: 14.8 (#295)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1358 | 1144 |
| GPQA Diamond | — | 32% |
| Vectara Hallucination Rate | 5.1% | — |
Multilingual Nova 2 Lite leads
Nova 2 Lite: 47.1 (#153), Yi-1.5-34B: 32.3 (#256)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1337 | 1121 |
| LMArena Chinese | 1364 | 1213 |
| LMArena French | 1381 | 1156 |
| LMArena German | 1343 | 1111 |
| LMArena Japanese | 1271 | 1021 |
| LMArena Korean | 1284 | 1005 |
| LMArena Russian | 1343 | 1091 |
| LMArena Spanish | 1373 | 1121 |
Instruction Following Nova 2 Lite leads
Nova 2 Lite: 70.5 (#161), Yi-1.5-34B: 59.2 (#257)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1335 | 1139 |
Long Context Nova 2 Lite leads
Nova 2 Lite: 40.6 (#150), Yi-1.5-34B: 34.6 (#248)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1335 | 1143 |
Writing & Preference Nova 2 Lite leads
Nova 2 Lite: 53.9 (#154), Yi-1.5-34B: 37.4 (#257)
| Benchmark | Nova 2 Lite | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1362 | 1173 |
| LMArena Creative Writing | 1291 | 1135 |
| LMArena Multi-Turn | 1338 | 1153 |
Frequently asked questions
Is Nova 2 Lite better than Yi-1.5-34B?
Nova 2 Lite is the stronger model overall, scoring 39.7 to 30.6 on the Noometry Index.
Is Nova 2 Lite or Yi-1.5-34B better for coding?
Nova 2 Lite scores higher on coding benchmarks: 40.7 versus 32.4 in the Noometry coding category.
How many benchmarks do Nova 2 Lite and Yi-1.5-34B share?
17 benchmarks have published results for both models. Nova 2 Lite has 19 scored results on Noometry and Yi-1.5-34B has 21.