Model comparison
Nova 2 Lite vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 39.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
UpstageSummary
- They share 17 benchmarks with published results for both. Nova 2 Lite scores higher in 2 categories and Solar Pro4 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nova 2 Lite leads 43.0 to 39.8.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.30 / $2.50 for Nova 2 Lite.
- Nova 2 Lite accepts more context: 1M tokens versus 524K.
Side by side
| Nova 2 Lite | Solar Pro4 | |
|---|---|---|
| Provider | Amazon | Upstage |
| Noometry Index | 39.7 | 42.1 |
| Released | 2025-12-01 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 524K |
| Max output | 64K | 131K |
| Input $ / M tokens | $0.30 | $0.30 |
| Output $ / M tokens | $2.50 | $1.20 |
| Results tracked | 19 | 18 |
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Category by category
Coding Too close to call
Nova 2 Lite: 40.7 (#134), Solar Pro4: 40.1 (#149)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1385 | 1437 |
| LMArena WebDev | — | 1371 |
Agentic & Tool Use Not comparable
Nova 2 Lite: 24.1 (#121), Solar Pro4: —
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.1% | — |
Reasoning Too close to call
Nova 2 Lite: 27.5 (#118), Solar Pro4: 28.5 (#104)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1364 | 1399 |
Math Solar Pro4 leads
Nova 2 Lite: 37.5 (#156), Solar Pro4: 38.8 (#128)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Math | 1359 | 1416 |
Knowledge Nova 2 Lite leads
Nova 2 Lite: 43.0 (#94), Solar Pro4: 39.8 (#129)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1358 | 1427 |
| Vectara Hallucination Rate | 5.1% | — |
Multilingual Solar Pro4 leads
Nova 2 Lite: 47.1 (#153), Solar Pro4: 48.7 (#139)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1337 | 1361 |
| LMArena Chinese | 1364 | 1415 |
| LMArena French | 1381 | 1397 |
| LMArena German | 1343 | 1364 |
| LMArena Japanese | 1271 | 1309 |
| LMArena Korean | 1284 | 1382 |
| LMArena Russian | 1343 | 1360 |
| LMArena Spanish | 1373 | 1401 |
Instruction Following Solar Pro4 leads
Nova 2 Lite: 70.5 (#161), Solar Pro4: 72.7 (#132)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1335 | 1377 |
Long Context Solar Pro4 leads
Nova 2 Lite: 40.6 (#150), Solar Pro4: 42.1 (#130)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1335 | 1381 |
Writing & Preference Solar Pro4 leads
Nova 2 Lite: 53.9 (#154), Solar Pro4: 56.5 (#138)
| Benchmark | Nova 2 Lite | Solar Pro4 |
|---|---|---|
| LMArena Text | 1362 | 1386 |
| LMArena Creative Writing | 1291 | 1316 |
| LMArena Multi-Turn | 1338 | 1385 |
Frequently asked questions
Is Nova 2 Lite better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 39.7 on the Noometry Index.
Which is cheaper, Nova 2 Lite or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Nova 2 Lite lists at $0.30 and $2.50.
Is Nova 2 Lite or Solar Pro4 better for coding?
They score almost the same on coding (40.7 vs 40.1); test both on your own repository before choosing.
Which has the bigger context window?
Nova 2 Lite does, with 1M tokens against 524K.
How many benchmarks do Nova 2 Lite and Solar Pro4 share?
17 benchmarks have published results for both models. Nova 2 Lite has 19 scored results on Noometry and Solar Pro4 has 18.