Model comparison
DeepSeek-V2.5 (Sep 2024) vs Longcat Flash Chat
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
DeepSeekSummary
- They share 17 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 1 category and Longcat Flash Chat in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Longcat Flash Chat leads 43.5 to 31.7.
Side by side
| DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat | |
|---|---|---|
| Provider | DeepSeek | Meituan |
| Noometry Index | 37.6 | 42.1 |
| Released | 2024-09-06 | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 22 | 19 |
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Category by category
Coding Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 31.7 (#281), Longcat Flash Chat: 43.5 (#87)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1309 | 1471 |
| Aider Polyglot | 17.8% | — |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |
Reasoning DeepSeek-V2.5 (Sep 2024) leads
DeepSeek-V2.5 (Sep 2024): 25.6 (#145), Longcat Flash Chat: 19.0 (#272)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 35.9 (#177), Longcat Flash Chat: 39.4 (#107)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1288 | 1442 |
Knowledge Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 34.8 (#193), Longcat Flash Chat: 40.6 (#116)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1266 | 1454 |
Multilingual Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 42.5 (#193), Longcat Flash Chat: 51.9 (#101)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1273 | 1404 |
| LMArena Chinese | 1318 | 1465 |
| LMArena French | 1289 | 1456 |
| LMArena German | 1258 | 1408 |
| LMArena Japanese | 1228 | 1373 |
| LMArena Korean | 1209 | 1371 |
| LMArena Russian | 1289 | 1395 |
| LMArena Spanish | 1248 | 1445 |
Instruction Following Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 67.5 (#194), Longcat Flash Chat: 74.4 (#96)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1280 | 1411 |
Long Context Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 39.5 (#174), Longcat Flash Chat: 43.5 (#93)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1301 | 1425 |
Writing & Preference Longcat Flash Chat leads
DeepSeek-V2.5 (Sep 2024): 49.8 (#187), Longcat Flash Chat: 61.0 (#91)
| Benchmark | DeepSeek-V2.5 (Sep 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1294 | 1427 |
| LMArena Creative Writing | 1285 | 1388 |
| LMArena Multi-Turn | 1297 | 1418 |
Frequently asked questions
Is DeepSeek-V2.5 (Sep 2024) better than Longcat Flash Chat?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.6 on the Noometry Index.
Is DeepSeek-V2.5 (Sep 2024) or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 31.7 in the Noometry coding category.
How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Longcat Flash Chat share?
17 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Longcat Flash Chat has 19.