# GPT-4.1 vs Hy4 preview

> Hy4 preview is the stronger model overall, scoring 45.3 to 35.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-4-1-vs-hy4-preview
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Hy4 preview leads 55.7 to 22.3.
- Hy4 preview is cheaper at $0.83 / $2.50 per million input/output tokens, against $2 / $8 for GPT-4.1.
- Hy4 preview accepts more context: 1.05M tokens versus 1.05M.
- Hy4 preview has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-4.1 | Hy4 preview |
|---|---|---|
| Provider | OpenAI | Tencent |
| Noometry Index | 35.9 | 45.3 |
| Rank | 219 | 73 |
| Context | 1.05M | 1.05M |
| Input $/M | $2 | $0.83 |
| Output $/M | $8 | $2.50 |
| Weights | Proprietary | Open |

## Coding

- GPT-4.1: 34.4 (#238)
- Hy4 preview: 51.6 (#38)

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| SWE-bench Verified | 48.5% | — |
| SWE-bench Verified (bash only) | 39.6% | — |
| Aider Polyglot | 52.4% | — |
| LMArena WebDev | — | 1632 |
| WeirdML | 39% | — |
| LMArena Coding | 1391 | — |
| CadEval | 42% | — |
| ALE-Bench | 558.1 | — |

## Agentic & Tool Use

- GPT-4.1: 34.7 (#43)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| Berkeley Function Calling Leaderboard | 54% | — |

## Reasoning

- GPT-4.1: 11.7 (#339)
- Hy4 preview: 31.9 (#79)

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| ARC-AGI-2 | 0.4% | — |
| SimpleBench | 27% | — |
| Kagi LLM Benchmark | 52.3% | — |
| NYT Connections (extended) | — | 68.2% |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | 6% | — |
| EnigmaEval | 2.2% | — |
| LMArena Hard Prompts | 1384 | — |
| DTBench | 68.3% | — |
| LMCA | 25.6% | — |
| Epoch Capabilities Index | 136.78 | — |
| ForecastBench | 61.5 | — |

## Math

- GPT-4.1: 22.3 (#280)
- Hy4 preview: 55.7 (#42)

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6% | — |
| OTIS Mock AIME 2024-2025 | 38.3% | — |
| ProofBench | — | 75% |
| Omni-MATH | 47.1% | — |
| LMArena Math | 1370 | — |
| MATH Level 5 | 83% | — |
| FrontierMath (Feb 2025 set) | 5.5% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- GPT-4.1: 37.1 (#160)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| GPQA Diamond | 66.9% | — |
| Humanity's Last Exam | 5.4% | — |
| SimpleQA Verified | 31.1% | — |
| MMLU-Pro | 81.1% | — |
| Vectara Hallucination Rate | 5.6% | — |
| GPQA (HELM) | 65.9% | — |
| LMArena Expert | 1364 | — |

## Multimodal

- GPT-4.1: 38.2 (#67)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| LMArena Vision | 1211 | — |
| GeoBench | 72% | — |

## Multilingual

- GPT-4.1: 49.4 (#133)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| LMArena Non-English | 1370 | — |
| LMArena Chinese | 1382 | — |
| LMArena French | 1382 | — |
| LMArena German | 1381 | — |
| LMArena Japanese | 1319 | — |
| LMArena Korean | 1339 | — |
| LMArena Russian | 1377 | — |
| LMArena Spanish | 1376 | — |

## Instruction Following

- GPT-4.1: 71.3 (#153)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| IFEval | 83.8% | — |
| LMArena Instruction Following | 1367 | — |

## Long Context

- GPT-4.1: 40.0 (#163)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| Fiction.LiveBench | 63.9% | — |
| LMArena Longer Query | 1385 | — |

## Writing & Preference

- GPT-4.1: 57.6 (#125)
- Hy4 preview: —

| Benchmark | GPT-4.1 | Hy4 preview |
|---|---|---|
| LMArena Text | 1383 | — |
| LMArena Creative Writing | 1363 | — |
| EQ-Bench Creative Writing | 1420 | — |
| WildBench | 85.4% | — |
| LMArena Multi-Turn | 1398 | — |

## FAQ

### Is GPT-4.1 better than Hy4 preview?

Hy4 preview is the stronger model overall, scoring 45.3 to 35.9 on the Noometry Index.

### Which is cheaper, GPT-4.1 or Hy4 preview?

Hy4 preview is cheaper. It lists at $0.83 per million input tokens and $2.50 per million output tokens; GPT-4.1 lists at $2 and $8.

### Is GPT-4.1 or Hy4 preview better for coding?

Hy4 preview scores higher on coding benchmarks: 51.6 versus 34.4 in the Noometry coding category.

### Which has the bigger context window?

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

### How many benchmarks do GPT-4.1 and Hy4 preview share?

0 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Hy4 preview has 3.