# Kimi K2.7 Code vs Step 3

> Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-step-3
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Kimi K2.7 Code leads 52.6 to 34.9.

## Snapshot

| | Kimi K2.7 Code | Step 3 |
|---|---|---|
| Provider | Moonshot AI | StepFun |
| Noometry Index | 43.0 | 39.9 |
| Rank | 90 | 145 |
| Context | 262K | — |
| Input $/M | $0.95 | — |
| Output $/M | $4 | — |
| Weights | Open | Open |

## Coding

- Kimi K2.7 Code: 42.4 (#92)
- Step 3: 39.5 (#144)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1367 |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 23.9 (#115)
- Step 3: —

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 38.2 (#56)
- Step 3: 27.6 (#102)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| SimpleBench | 57.9% | — |
| Kagi LLM Benchmark | — | 62.3% |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1355 |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 150.01 | — |

## Math

- Kimi K2.7 Code: 52.6 (#39)
- Step 3: 34.9 (#148)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| LMArena Math | — | 1366 |

## Knowledge

- Kimi K2.7 Code: 53.6 (#51)
- Step 3: 36.2 (#161)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1333 |

## Multimodal

- Kimi K2.7 Code: —
- Step 3: 34.9 (#81)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| LMArena Vision | — | 1176 |

## Multilingual

- Kimi K2.7 Code: —
- Step 3: 46.5 (#154)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| LMArena Non-English | — | 1327 |
| LMArena Chinese | — | 1396 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1271 |
| LMArena Russian | — | 1331 |
| LMArena Spanish | — | 1372 |

## Instruction Following

- Kimi K2.7 Code: —
- Step 3: 70.6 (#159)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| LMArena Instruction Following | — | 1332 |

## Long Context

- Kimi K2.7 Code: —
- Step 3: 40.3 (#152)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| LMArena Longer Query | — | 1326 |

## Writing & Preference

- Kimi K2.7 Code: —
- Step 3: 54.5 (#146)

| Benchmark | Kimi K2.7 Code | Step 3 |
|---|---|---|
| LMArena Text | — | 1351 |
| LMArena Creative Writing | — | 1322 |
| LMArena Multi-Turn | — | 1340 |

## FAQ

### Is Kimi K2.7 Code better than Step 3?

Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.9 on the Noometry Index.

### Is Kimi K2.7 Code or Step 3 better for coding?

Kimi K2.7 Code scores higher on coding benchmarks: 42.4 versus 39.5 in the Noometry coding category.

### How many benchmarks do Kimi K2.7 Code and Step 3 share?

0 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Step 3 has 17.