Model comparison
Kimi K2.7 Code vs Longcat Flash Chat
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 42.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Kimi K2.7 Code leads 39.0 to 19.0.
Side by side
| Kimi K2.7 Code | Longcat Flash Chat | |
|---|---|---|
| Provider | Moonshot AI | Meituan |
| Noometry Index | 43.3 | 42.1 |
| Released | 2026-06-12 | — |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.95 | — |
| Output $ / M tokens | $4 | — |
| Results tracked | 19 | 19 |
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Category by category
Coding Too close to call
Kimi K2.7 Code: 42.9 (#95), Longcat Flash Chat: 43.5 (#87)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1471 |
| ALE-Bench | 886.23 | — |
Agentic & Tool Use Not comparable
Kimi K2.7 Code: 24.0 (#122), Longcat Flash Chat: —
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |
Reasoning Kimi K2.7 Code leads
Kimi K2.7 Code: 39.0 (#61), Longcat Flash Chat: 19.0 (#272)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| SimpleBench | 57.9% | — |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1440 |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 149.97 | — |
Math Kimi K2.7 Code leads
Kimi K2.7 Code: 52.9 (#48), Longcat Flash Chat: 39.4 (#107)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| LMArena Math | — | 1442 |
Knowledge Kimi K2.7 Code leads
Kimi K2.7 Code: 53.5 (#57), Longcat Flash Chat: 40.6 (#116)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1454 |
Multilingual Not comparable
Kimi K2.7 Code: —, Longcat Flash Chat: 51.9 (#101)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | — | 1404 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1456 |
| LMArena German | — | 1408 |
| LMArena Japanese | — | 1373 |
| LMArena Korean | — | 1371 |
| LMArena Russian | — | 1395 |
| LMArena Spanish | — | 1445 |
Instruction Following Not comparable
Kimi K2.7 Code: —, Longcat Flash Chat: 74.4 (#96)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | — | 1411 |
Long Context Not comparable
Kimi K2.7 Code: —, Longcat Flash Chat: 43.5 (#93)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | — | 1425 |
Writing & Preference Not comparable
Kimi K2.7 Code: —, Longcat Flash Chat: 61.0 (#91)
| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Text | — | 1427 |
| LMArena Creative Writing | — | 1388 |
| LMArena Multi-Turn | — | 1418 |
Frequently asked questions
Is Kimi K2.7 Code better than Longcat Flash Chat?
Kimi K2.7 Code is the stronger model overall, scoring 43.3 to 42.1 on the Noometry Index.
Is Kimi K2.7 Code or Longcat Flash Chat better for coding?
They score almost the same on coding (42.9 vs 43.5); test both on your own repository before choosing.
How many benchmarks do Kimi K2.7 Code and Longcat Flash Chat share?
0 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Longcat Flash Chat has 19.