Model comparison
Longcat Flash Chat vs Yi-1.5-34B
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 30.6 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 7 categories and Yi-1.5-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Longcat Flash Chat leads 40.6 to 14.8.
Side by side
| Longcat Flash Chat | Yi-1.5-34B | |
|---|---|---|
| Provider | Meituan | 01.AI |
| Noometry Index | 42.1 | 30.6 |
| Released | — | 2024-05-13 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 21 |
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Category by category
Coding Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#87), Yi-1.5-34B: 32.4 (#272)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1471 | 1169 |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
Reasoning Yi-1.5-34B leads
Longcat Flash Chat: 19.0 (#272), Yi-1.5-34B: 22.5 (#191)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1160 |
| Kagi LLM Benchmark | 43.9% | — |
| NYT Connections (extended) | 17.7% | — |
Math Longcat Flash Chat leads
Longcat Flash Chat: 39.4 (#107), Yi-1.5-34B: 27.5 (#249)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1442 | 1182 |
| MATH Level 5 | — | 25.5% |
Knowledge Longcat Flash Chat leads
Longcat Flash Chat: 40.6 (#116), Yi-1.5-34B: 14.8 (#295)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1454 | 1144 |
| GPQA Diamond | — | 32% |
Multilingual Longcat Flash Chat leads
Longcat Flash Chat: 51.9 (#101), Yi-1.5-34B: 32.3 (#256)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1404 | 1121 |
| LMArena Chinese | 1465 | 1213 |
| LMArena French | 1456 | 1156 |
| LMArena German | 1408 | 1111 |
| LMArena Japanese | 1373 | 1021 |
| LMArena Korean | 1371 | 1005 |
| LMArena Russian | 1395 | 1091 |
| LMArena Spanish | 1445 | 1121 |
Instruction Following Longcat Flash Chat leads
Longcat Flash Chat: 74.4 (#96), Yi-1.5-34B: 59.2 (#257)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1411 | 1139 |
Long Context Longcat Flash Chat leads
Longcat Flash Chat: 43.5 (#93), Yi-1.5-34B: 34.6 (#248)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1425 | 1143 |
Writing & Preference Longcat Flash Chat leads
Longcat Flash Chat: 61.0 (#91), Yi-1.5-34B: 37.4 (#257)
| Benchmark | Longcat Flash Chat | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1427 | 1173 |
| LMArena Creative Writing | 1388 | 1135 |
| LMArena Multi-Turn | 1418 | 1153 |
Frequently asked questions
Is Longcat Flash Chat better than Yi-1.5-34B?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 30.6 on the Noometry Index.
Is Longcat Flash Chat or Yi-1.5-34B better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 32.4 in the Noometry coding category.
How many benchmarks do Longcat Flash Chat and Yi-1.5-34B share?
17 benchmarks have published results for both models. Longcat Flash Chat has 19 scored results on Noometry and Yi-1.5-34B has 21.