Model comparison
Longcat Flash Chat vs Nova Premier 1.0
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Longcat Flash Chat scores higher in 4 categories and Nova Premier 1.0 in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 51.0.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Longcat Flash Chat | Nova Premier 1.0 | |
|---|---|---|
| Provider | Meituan | Amazon |
| Noometry Index | 42.1 | 38.3 |
| Released | — | 2025-04-30 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 10K |
| Input $ / M tokens | — | $2.50 |
| Output $ / M tokens | — | $12.50 |
| Results tracked | 19 | 6 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Not comparable
Longcat Flash Chat: 43.5 (#87), Nova Premier 1.0: —
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| LMArena Coding | 1471 | — |
Reasoning Nova Premier 1.0 leads
Longcat Flash Chat: 19.0 (#272), Nova Premier 1.0: 23.0 (#185)
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 43.9% | 44.8% |
| NYT Connections (extended) | 17.7% | — |
| LMArena Hard Prompts | 1440 | — |
Math Longcat Flash Chat leads
Longcat Flash Chat: 39.4 (#107), Nova Premier 1.0: 33.8 (#199)
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| Omni-MATH | — | 35% |
| LMArena Math | 1442 | — |
Knowledge Longcat Flash Chat leads
Longcat Flash Chat: 40.6 (#116), Nova Premier 1.0: 35.8 (#180)
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1454 | — |
Multilingual Not comparable
Longcat Flash Chat: 51.9 (#101), Nova Premier 1.0: —
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1404 | — |
| LMArena Chinese | 1465 | — |
| LMArena French | 1456 | — |
| LMArena German | 1408 | — |
| LMArena Japanese | 1373 | — |
| LMArena Korean | 1371 | — |
| LMArena Russian | 1395 | — |
| LMArena Spanish | 1445 | — |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Nova Premier 1.0: 66.8 (#204)
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1411 | — |
Long Context Not comparable
Longcat Flash Chat: 43.5 (#93), Nova Premier 1.0: —
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1425 | — |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Nova Premier 1.0: 51.0 (#178)
| Benchmark | Longcat Flash Chat | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1427 | — |
| LMArena Creative Writing | 1388 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1418 | — |
Frequently asked questions
Is Longcat Flash Chat better than Nova Premier 1.0?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 38.3 on the Noometry Index.
How many benchmarks do Longcat Flash Chat and Nova Premier 1.0 share?
1 benchmark has published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Nova Premier 1.0 has 6.