Model comparison
Nova 2 Lite vs Yi-34B
Nova 2 Lite is the stronger model overall, scoring 39.7 to 27.8 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-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 7.5.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| Nova 2 Lite | Yi-34B | |
|---|---|---|
| Provider | Amazon | 01.AI |
| Noometry Index | 39.7 | 27.8 |
| Released | 2025-12-01 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 1M | — |
| Max output | 64K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 19 | 23 |
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Category by category
Coding Nova 2 Lite leads
Nova 2 Lite: 40.7 (#134), Yi-34B: 32.3 (#274)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Coding | 1385 | 1112 |
Agentic & Tool Use Not comparable
Nova 2 Lite: 24.1 (#121), Yi-34B: —
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Nova 2 Lite leads
Nova 2 Lite: 27.5 (#118), Yi-34B: 21.2 (#226)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1364 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math Nova 2 Lite leads
Nova 2 Lite: 37.5 (#156), Yi-34B: 21.6 (#282)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Math | 1359 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge Nova 2 Lite leads
Nova 2 Lite: 43.0 (#94), Yi-34B: 7.5 (#309)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Expert | 1358 | 1061 |
| GPQA Diamond | — | 14.7% |
| Vectara Hallucination Rate | 5.1% | — |
| MMLU | — | 76.3% |
Multilingual Nova 2 Lite leads
Nova 2 Lite: 47.1 (#153), Yi-34B: 29.7 (#264)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Non-English | 1337 | 1079 |
| LMArena Chinese | 1364 | 1176 |
| LMArena French | 1381 | 1081 |
| LMArena German | 1343 | 1042 |
| LMArena Japanese | 1271 | 993 |
| LMArena Korean | 1284 | 959 |
| LMArena Russian | 1343 | 1050 |
| LMArena Spanish | 1373 | 1070 |
Instruction Following Nova 2 Lite leads
Nova 2 Lite: 70.5 (#161), Yi-34B: 56.2 (#274)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1335 | 1091 |
Long Context Nova 2 Lite leads
Nova 2 Lite: 40.6 (#150), Yi-34B: 33.2 (#264)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1335 | 1094 |
Writing & Preference Nova 2 Lite leads
Nova 2 Lite: 53.9 (#154), Yi-34B: 34.1 (#273)
| Benchmark | Nova 2 Lite | Yi-34B |
|---|---|---|
| LMArena Text | 1362 | 1129 |
| LMArena Creative Writing | 1291 | 1108 |
| LMArena Multi-Turn | 1338 | 1113 |
Frequently asked questions
Is Nova 2 Lite better than Yi-34B?
Nova 2 Lite is the stronger model overall, scoring 39.7 to 27.8 on the Noometry Index.
Is Nova 2 Lite or Yi-34B better for coding?
Nova 2 Lite scores higher on coding benchmarks: 40.7 versus 32.3 in the Noometry coding category.
How many benchmarks do Nova 2 Lite and Yi-34B share?
17 benchmarks have published results for both models. Nova 2 Lite has 19 scored results on Noometry and Yi-34B has 23.