Model comparison
GPT-6.1 Sol vs Longcat Flash Chat
Longcat Flash Chat has enough public results to be ranked (#121); GPT-6.1 Sol does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 42.9.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| GPT-6.1 Sol | Longcat Flash Chat | |
|---|---|---|
| Provider | OpenAI | Meituan |
| Noometry Index | 42.1 | 41.5 |
| Released | 2026-09-29 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 2 | 19 |
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Category by category
Coding GPT-6.1 Sol leads
GPT-6.1 Sol: 51.4, Longcat Flash Chat: 42.9 (#85)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| DeepSWE | 75.2% | — |
| LMArena Coding | — | 1471 |
Agentic & Tool Use Not comparable
GPT-6.1 Sol: 34.3, Longcat Flash Chat: —
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| GDP.pdf | 32% | — |
Reasoning Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 18.3 (#267)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
| LMArena Hard Prompts | — | 1440 |
Math Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 36.6 (#107)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Math | — | 1441 |
Knowledge Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 40.0 (#111)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | — | 1454 |
Multilingual Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 52.1 (#95)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | — | 1404 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1457 |
| LMArena German | — | 1409 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1372 |
| LMArena Russian | — | 1396 |
| LMArena Spanish | — | 1445 |
Instruction Following Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 74.6 (#92)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | — | 1411 |
Long Context Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 43.5 (#89)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | — | 1425 |
Writing & Preference Not comparable
GPT-6.1 Sol: —, Longcat Flash Chat: 61.2 (#88)
| Benchmark | GPT-6.1 Sol | Longcat Flash Chat |
|---|---|---|
| LMArena Text | — | 1427 |
| LMArena Creative Writing | — | 1388 |
| LMArena Multi-Turn | — | 1418 |
Frequently asked questions
Is GPT-6.1 Sol better than Longcat Flash Chat?
Longcat Flash Chat has enough public results to be ranked (#121); GPT-6.1 Sol does not yet, so treat this comparison as directional.
Is GPT-6.1 Sol or Longcat Flash Chat better for coding?
GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 42.9 in the Noometry coding category.
How many benchmarks do GPT-6.1 Sol and Longcat Flash Chat share?
0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Longcat Flash Chat has 19.