# Hy4 preview vs Kimi K2.7 Code

> Hy4 preview is the stronger model overall, scoring 45.3 to 43.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/hy4-preview-vs-kimi-k2-7-code
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Hy4 preview scores higher in 2 categories and Kimi K2.7 Code in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hy4 preview leads 51.6 to 42.9.
- Hy4 preview is cheaper at $0.75 / $2.25 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.
- Hy4 preview accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| Provider | Tencent | Moonshot AI |
| Noometry Index | 45.3 | 43.3 |
| Rank | 73 | 94 |
| Context | 1.05M | 262K |
| Input $/M | $0.75 | $0.95 |
| Output $/M | $2.25 | $4 |
| Weights | Open | Open |

## Coding

- Hy4 preview: 51.6 (#38)
- Kimi K2.7 Code: 42.9 (#95)

| Benchmark | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| LMArena WebDev | 1632 | 1473 |
| DeepSWE | — | 30.5% |
| FrontierCode | — | 30.1% |
| SciCode | — | 47.5% |
| WeirdML | — | 54.1% |
| ALE-Bench | — | 886.23 |

## Agentic & Tool Use

- Hy4 preview: —
- Kimi K2.7 Code: 24.0 (#122)

| Benchmark | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| APEX-Agents | — | 37.6% |
| GBAEval | — | 0.9% |
| Vending-Bench 2 | — | 5,083 |

## Reasoning

- Hy4 preview: 31.9 (#79)
- Kimi K2.7 Code: 39.0 (#61)

| Benchmark | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| SimpleBench | — | 57.9% |
| NYT Connections (extended) | 68.2% | — |
| CritPt | — | 10% |
| Chess Puzzles | — | 21% |
| Surface Evolver Bench | — | 48.8% |
| Epoch Capabilities Index | — | 149.97 |

## Math

- Hy4 preview: 55.7 (#42)
- Kimi K2.7 Code: 52.9 (#48)

| Benchmark | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 54% |
| FrontierMath Tier 4 | — | 12.2% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | 75% | — |

## Knowledge

- Hy4 preview: —
- Kimi K2.7 Code: 53.5 (#57)

| Benchmark | Hy4 preview | Kimi K2.7 Code |
|---|---|---|
| GPQA Diamond | — | 87.9% |
| SimpleQA Verified | — | 36.5% |

## FAQ

### Is Hy4 preview better than Kimi K2.7 Code?

Hy4 preview is the stronger model overall, scoring 45.3 to 43.3 on the Noometry Index.

### Which is cheaper, Hy4 preview or Kimi K2.7 Code?

Hy4 preview is cheaper. It lists at $0.75 per million input tokens and $2.25 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.

### Is Hy4 preview or Kimi K2.7 Code better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 42.9 in the Noometry coding category.

### Which has the bigger context window?

Hy4 preview does, with 1.05M tokens against 262K.

### How many benchmarks do Hy4 preview and Kimi K2.7 Code share?

1 benchmark has published results for both models. Hy4 preview has 3 scored results on Noometry and Kimi K2.7 Code has 19.