Model comparison
C4ai Aya Expanse 8b vs Longcat Flash Chat
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 34.9 on the Noometry Index.
Last verified . 14 shared benchmarks.
CohereSummary
- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 1 category and Longcat Flash Chat in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 39.0.
Side by side
| C4ai Aya Expanse 8b | Longcat Flash Chat | |
|---|---|---|
| Provider | Cohere | Meituan |
| Noometry Index | 34.9 | 42.1 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 19 |
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Category by category
Coding Longcat Flash Chat leads
C4ai Aya Expanse 8b: 33.8 (#252), Longcat Flash Chat: 43.5 (#87)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1160 | 1471 |
Reasoning C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 22.4 (#197), Longcat Flash Chat: 19.0 (#272)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Longcat Flash Chat leads
C4ai Aya Expanse 8b: 33.3 (#203), Longcat Flash Chat: 39.4 (#107)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1168 | 1442 |
Knowledge Longcat Flash Chat leads
C4ai Aya Expanse 8b: 33.6 (#201), Longcat Flash Chat: 40.6 (#116)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1153 | 1454 |
| Vectara Hallucination Rate | 9.5% | — |
Multilingual Longcat Flash Chat leads
C4ai Aya Expanse 8b: 36.1 (#242), Longcat Flash Chat: 51.9 (#101)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1180 | 1404 |
| LMArena Chinese | 1181 | 1465 |
| LMArena German | 1188 | 1408 |
| LMArena Japanese | 1120 | 1373 |
| LMArena Russian | 1197 | 1395 |
| LMArena French | — | 1456 |
| LMArena Korean | — | 1371 |
| LMArena Spanish | — | 1445 |
Instruction Following Longcat Flash Chat leads
C4ai Aya Expanse 8b: 60.1 (#253), Longcat Flash Chat: 74.4 (#96)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1155 | 1411 |
Long Context Longcat Flash Chat leads
C4ai Aya Expanse 8b: 36.1 (#236), Longcat Flash Chat: 43.5 (#93)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1191 | 1425 |
Writing & Preference Longcat Flash Chat leads
C4ai Aya Expanse 8b: 39.0 (#250), Longcat Flash Chat: 61.0 (#91)
| Benchmark | C4ai Aya Expanse 8b | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1185 | 1427 |
| LMArena Creative Writing | 1168 | 1388 |
| LMArena Multi-Turn | 1160 | 1418 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Longcat Flash Chat?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 34.9 on the Noometry Index.
Is C4ai Aya Expanse 8b or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Longcat Flash Chat share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Longcat Flash Chat has 19.