# 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.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-longcat-flash-chat
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Kimi K2.7 Code leads 39.0 to 19.0.

## Snapshot

| | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| Provider | Moonshot AI | Meituan |
| Noometry Index | 43.3 | 42.1 |
| Rank | 94 | 120 |
| Context | 262K | — |
| Input $/M | $0.95 | — |
| Output $/M | $4 | — |
| Weights | Open | Open |

## Coding

- 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

- 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: 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: 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: 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

- 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

- Kimi K2.7 Code: —
- Longcat Flash Chat: 74.4 (#96)

| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | — | 1411 |

## Long Context

- Kimi K2.7 Code: —
- Longcat Flash Chat: 43.5 (#93)

| Benchmark | Kimi K2.7 Code | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | — | 1425 |

## Writing & Preference

- 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 |

## FAQ

### 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.