Model comparison
Longcat Flash Chat vs Nova 2 Lite
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 39.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Longcat Flash Chat scores higher in 6 categories and Nova 2 Lite in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nova 2 Lite leads 27.5 to 19.0.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Longcat Flash Chat | Nova 2 Lite | |
|---|---|---|
| Provider | Meituan | Amazon |
| Noometry Index | 42.1 | 39.7 |
| Released | — | 2025-12-01 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 19 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#87), Nova 2 Lite: 40.7 (#134)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1471 | 1385 |
Agentic & Tool Use Not comparable
Longcat Flash Chat: —, Nova 2 Lite: 24.1 (#121)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
Reasoning Nova 2 Lite leads
Longcat Flash Chat: 19.0 (#272), Nova 2 Lite: 27.5 (#118)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1364 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
Math Longcat Flash Chat leads
Longcat Flash Chat: 39.4 (#107), Nova 2 Lite: 37.5 (#156)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1442 | 1359 |
Knowledge Nova 2 Lite leads
Longcat Flash Chat: 40.6 (#116), Nova 2 Lite: 43.0 (#94)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Expert | 1454 | 1358 |
| Vectara Hallucination Rate | — | 5.1% |
Multilingual Longcat Flash Chat leads
Longcat Flash Chat: 51.9 (#101), Nova 2 Lite: 47.1 (#153)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1404 | 1337 |
| LMArena Chinese | 1465 | 1364 |
| LMArena French | 1456 | 1381 |
| LMArena German | 1408 | 1343 |
| LMArena Japanese | 1373 | 1271 |
| LMArena Korean | 1371 | 1284 |
| LMArena Russian | 1395 | 1343 |
| LMArena Spanish | 1445 | 1373 |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Nova 2 Lite: 70.5 (#161)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1411 | 1335 |
Long Context Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#93), Nova 2 Lite: 40.6 (#150)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1425 | 1335 |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Nova 2 Lite: 53.9 (#154)
| Benchmark | Longcat Flash Chat | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1427 | 1362 |
| LMArena Creative Writing | 1388 | 1291 |
| LMArena Multi-Turn | 1418 | 1338 |
Frequently asked questions
Is Longcat Flash Chat better than Nova 2 Lite?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 39.7 on the Noometry Index.
Is Longcat Flash Chat or Nova 2 Lite better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 40.7 in the Noometry coding category.
How many benchmarks do Longcat Flash Chat and Nova 2 Lite share?
17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Nova 2 Lite has 19.