Model comparison
Mercury vs Nova 2 Lite
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.6 on the Noometry Index.
Last verified . 8 shared benchmarks.
Summary
- They share 8 benchmarks with published results for both. Mercury scores higher in 0 categories and Nova 2 Lite in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nova 2 Lite leads 27.5 to 17.5.
Side by side
| Mercury | Nova 2 Lite | |
|---|---|---|
| Provider | Inception | Amazon |
| Noometry Index | 37.6 | 39.7 |
| Released | — | 2025-12-01 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 9 | 19 |
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Category by category
Coding Nova 2 Lite leads
Mercury: 38.7 (#170), Nova 2 Lite: 40.7 (#134)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1322 | 1385 |
Agentic & Tool Use Not comparable
Mercury: —, Nova 2 Lite: 24.1 (#121)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
Reasoning Nova 2 Lite leads
Mercury: 17.5 (#293), Nova 2 Lite: 27.5 (#118)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1285 | 1364 |
| Kagi LLM Benchmark | 21.6% | — |
Math Not comparable
Mercury: —, Nova 2 Lite: 37.5 (#156)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Math | — | 1359 |
Knowledge Not comparable
Mercury: —, Nova 2 Lite: 43.0 (#94)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| Vectara Hallucination Rate | — | 5.1% |
| LMArena Expert | — | 1358 |
Multilingual Nova 2 Lite leads
Mercury: 41.6 (#206), Nova 2 Lite: 47.1 (#153)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1260 | 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
Mercury: 65.2 (#224), Nova 2 Lite: 70.5 (#161)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1239 | 1335 |
Long Context Nova 2 Lite leads
Mercury: 38.4 (#198), Nova 2 Lite: 40.6 (#150)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1266 | 1335 |
Writing & Preference Nova 2 Lite leads
Mercury: 46.2 (#221), Nova 2 Lite: 53.9 (#154)
| Benchmark | Mercury | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1282 | 1362 |
| LMArena Creative Writing | 1191 | 1291 |
| LMArena Multi-Turn | 1282 | 1338 |
Frequently asked questions
Is Mercury better than Nova 2 Lite?
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.6 on the Noometry Index.
Is Mercury or Nova 2 Lite better for coding?
Nova 2 Lite scores higher on coding benchmarks: 40.7 versus 38.7 in the Noometry coding category.
How many benchmarks do Mercury and Nova 2 Lite share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Nova 2 Lite has 19.