Model comparison
Gemini 2.5 Flash-Lite vs Longcat Flash Chat
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.0 on the Noometry Index.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 1 category and Longcat Flash Chat in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Longcat Flash Chat leads 43.5 to 33.3.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash-Lite | Longcat Flash Chat | |
|---|---|---|
| Provider | Meituan | |
| Noometry Index | 37.0 | 42.1 |
| Released | 2025-06-17 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 33 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 38.5 (#173), Longcat Flash Chat: 43.5 (#87)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1373 | 1471 |
| WeirdML | 35.2% | — |
| ALE-Bench | 325.9 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash-Lite: 28.0 (#96), Longcat Flash Chat: —
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
Reasoning Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 22.2 (#205), Longcat Flash Chat: 19.0 (#272)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| Kagi LLM Benchmark | 40.5% | 43.9% |
| LMArena Hard Prompts | 1377 | 1440 |
| NYT Connections (extended) | — | 17.7% |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |
| Epoch Capabilities Index | 133.94 | — |
Math Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 38.0 (#144), Longcat Flash Chat: 39.4 (#107)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1373 | 1442 |
| Omni-MATH | 48% | — |
Knowledge Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 32.5 (#210), Longcat Flash Chat: 40.6 (#116)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1373 | 1454 |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |
Multimodal Not comparable
Gemini 2.5 Flash-Lite: 29.1 (#114), Longcat Flash Chat: —
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |
Multilingual Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 49.3 (#134), Longcat Flash Chat: 51.9 (#101)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1369 | 1404 |
| LMArena Chinese | 1404 | 1465 |
| LMArena French | 1388 | 1456 |
| LMArena German | 1389 | 1408 |
| LMArena Japanese | 1359 | 1373 |
| LMArena Korean | 1360 | 1371 |
| LMArena Russian | 1373 | 1395 |
| LMArena Spanish | 1396 | 1445 |
Instruction Following Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 70.0 (#168), Longcat Flash Chat: 74.4 (#96)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1367 | 1411 |
| IFEval | 81% | — |
Long Context Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 33.3 (#262), Longcat Flash Chat: 43.5 (#93)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1373 | 1425 |
| Fiction.LiveBench | 47.2% | — |
Writing & Preference Longcat Flash Chat leads
Gemini 2.5 Flash-Lite: 56.8 (#135), Longcat Flash Chat: 61.0 (#91)
| Benchmark | Gemini 2.5 Flash-Lite | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1379 | 1427 |
| LMArena Creative Writing | 1367 | 1388 |
| LMArena Multi-Turn | 1366 | 1418 |
| WildBench | 81.8% | — |
Frequently asked questions
Is Gemini 2.5 Flash-Lite better than Longcat Flash Chat?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 37.0 on the Noometry Index.
Is Gemini 2.5 Flash-Lite or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 38.5 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash-Lite and Longcat Flash Chat share?
18 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Longcat Flash Chat has 19.