# Hy4 vs Kimi K3

> Side-by-side benchmark comparison for Hy4 and Kimi K3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-vs-kimi-k3
- Last updated: November 4, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Kimi K3 if you want the stronger benchmark profile. Hy4 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K3 leads overall 69.34 to 0.
- The biggest single benchmark swing is ProgramBench in Coding, with scores of 30.0% and 77.8%.
- Hy4 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K3 also has the larger context window at 1.05M.

## Model Snapshot

| Property | Hy4 | Kimi K3 |
|----------|----------|----------|
| Creator | Tencent | Moonshot AI |
| Type | Pending | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1.05M |
| Overall Score | null | 69.34 |
| Benchmarks Covered | 15 | 58 |
| Pricing (input/output) | $0.834 / $2.501 | $3.00 / $15.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: 67.6 (Supported · #14/135)

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 44.40% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 19.8% | Coming soon | Coming soon |
| HLE w/ tools | 59.1% | Coming soon | Coming soon |
| Agents' Last Exam | 41.0% | Coming soon | Coming soon |
| APEX-Agents | 75.2% | 37.6% | Hy4 |
| AutomationBench | 56.2% | 30.8% | Hy4 |
| OSWorld 2.1 | 78.9% | Coming soon | Coming soon |
| Finch | Coming soon | 77.3% | Coming soon |
| b3 Agent Security | Coming soon | 88.0% | Coming soon |
| Cyber Misuse Refusal | Coming soon | 94.0% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.3% | Coming soon |
| BrowseComp | Coming soon | 91.2% | Coming soon |
| DeepSearchQA | Coming soon | 95.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.2% | Coming soon |
| MCP Atlas | Coming soon | 84.2% | Coming soon |
| JobBench | Coming soon | 52.9% | Coming soon |
| SpreadsheetBench 2 | Coming soon | 34.8% | Coming soon |
| DECK-Bench | Coming soon | 73.5% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 80.9% | Coming soon |
| ApprenticeBench | Coming soon | 18% | Coming soon |
| Hermes Index | Coming soon | 39.2% | Coming soon |
| Hermes Bench | Coming soon | 71.5% | Coming soon |
| MazeBench | Coming soon | 1% | Coming soon |

### Coding

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: 58.7 (Supported · #20/156)

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 74.9% | 67.5% | Hy4 |
| sweMarathon | 43.8% | 42% | Hy4 |
| ProgramBench | 30.0% | 77.8% | Kimi K3 |
| FrontierCode 2.0 | 31.0% | 17.7% | Hy4 |
| PostTrainBench v1.2 | 35.2% | Coming soon | Coming soon |
| ScarfBench | Coming soon | 61.3% | Coming soon |
| CursorBench 3.2 | Coming soon | 60.8% | Coming soon |
| FrontierSWE | Coming soon | 81.2% | Coming soon |
| Kimi Code Bench v2 | Coming soon | 72.9% | Coming soon |
| PostTrain Bench | Coming soon | 36.6% | Coming soon |
| MLS-Bench Lite | Coming soon | 48.3% | Coming soon |
| VulcanBench v3 | Coming soon | 73.7% | Coming soon |
| OpenHarmony Bench | Coming soon | 57.3% | Coming soon |
| FrontierSWE v2 | Coming soon | 25.9% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 87.2% | Coming soon |
| SWE-bench (Vals) | Coming soon | 93.4% | Coming soon |
| PostTrainBench v1.1 | Coming soon | 32.0% | Coming soon |
| Bug Hunt Bench | Coming soon | 21.0 fixes | Coming soon |

### Reasoning

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: 69.7 (#16/26)

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | Coming soon | 94.50% | Coming soon |
| ARC-AGI-2 | Coming soon | 60.4% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: 90 (#6/58)

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 78.6% | 81.6% | Kimi K3 |
| ZeroBench w/ Python | 55.4% | 41.0% | Hy4 |
| ExtractBench (LlamaIndex) | Coming soon | 83.17% | Coming soon |
| OfficeQA Pro | Coming soon | 63.3% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 83.4% | Coming soon |
| CharXiv w/o tools | Coming soon | 84.8% | Coming soon |
| CharXiv | Coming soon | 91.3% | Coming soon |
| MathVision | Coming soon | 94.3% | Coming soon |
| MathVision w/ Python | Coming soon | 97.8% | Coming soon |
| BabyVision w/ Python | Coming soon | 85.7% | Coming soon |
| ZeroBench | Coming soon | 23.0% | Coming soon |
| WorldVQA ForceAnswer | Coming soon | 51.0% | Coming soon |
| OmniDocBench | Coming soon | 91.1% | Coming soon |
| PerceptionBench | Coming soon | 58.5% | Coming soon |

### Knowledge

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: 67.2 (Supported · #24/179)

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 59.1% | 56% | Hy4 |
| GPQA | Coming soon | 93.5% | Coming soon |
| GPQA-D | Coming soon | 93.5% | Coming soon |
| HLE w/o tools | Coming soon | 43.5% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 92.9% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 88.0% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Hy4 public-lane score: Coming soon
- Kimi K3 public-lane score: Coming soon

| Benchmark | Hy4 | Kimi K3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 52.7% | Coming soon |

## FAQ

### Which is better overall, Hy4 or Kimi K3?

Kimi K3 is ahead overall on BenchLM right now.

### How many benchmarks does Hy4 cover on BenchLM?

Hy4 currently has 15 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K3 cover on BenchLM?

Kimi K3 currently has 58 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Hy4 vs Hy4 preview](/compare/hy4-vs-hy4-preview)
- [Kimi K3 vs Hy4 preview](/compare/hy4-preview-vs-kimi-k3)
- [Hy4 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-hy4)
- [Kimi K3 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-kimi-k3)

## Explore More

- [Hy4 profile](/models/hy4)
- [Kimi K3 profile](/models/kimi-k3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)