# Hy3 Preview vs Kimi K2.6

> Side-by-side benchmark comparison for Hy3 Preview and Kimi K2.6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy3-preview-vs-kimi-2-6
- Last updated: September 23, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.6

## Quick Verdict

Pick Kimi K2.6 if you want the stronger benchmark profile. Hy3 Preview only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K2.6 leads overall 59.85 to 45.32.
- The clearest category separation is in knowledge, where the averages are 39.1 for Hy3 Preview and 56.9 for Kimi K2.6.
- The biggest single benchmark swing is Gert Labs in Agentic, with scores of 36.91% and 56.82%.
- Hy3 Preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Hy3 Preview | Kimi K2.6 |
|----------|----------|----------|
| Creator | Tencent | Moonshot AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 256K |
| Overall Score | 45.32 | 59.85 |
| Benchmarks Covered | 6 | 37 |
| Pricing (input/output) | $0.00 / $0.00 | $0.95 / $4.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Hy3 Preview public-lane score: Coming soon
- Kimi K2.6 public-lane score: 42.7 (Supported · #42/105)

| Benchmark | Hy3 Preview | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54.4% | 66.7% | Kimi K2.6 |
| Gert Labs | 36.91% | 56.82% | Kimi K2.6 |
| BrowseComp | Coming soon | 83.2% | Coming soon |
| OSWorld-Verified | Coming soon | 73.1% | Coming soon |
| Toolathlon | Coming soon | 50% | Coming soon |
| MCP Atlas | Coming soon | 55.9% | Coming soon |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| DeepSearchQA | Coming soon | 92.5% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |
| OSWorld 2.0 | Coming soon | 4.6% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 53.6% | Coming soon |

### Coding

- Winner: Directional only
- Hy3 Preview public-lane score: 33.3 (Estimated · #85/135)
- Kimi K2.6 public-lane score: 47.4 (Supported · #44/135)

| Benchmark | Hy3 Preview | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 74.4% | 80.2% | Kimi K2.6 |
| Terminal-Bench 2.0 | 54.4% | 66.7% | Kimi K2.6 |
| LiveCodeBench v6 | Coming soon | 89.6% | Coming soon |
| SWE-bench Pro | Coming soon | 58.6% | Coming soon |
| SWE Multilingual | Coming soon | 76.7% | Coming soon |
| SciCode | Coming soon | 52.2% | Coming soon |
| Vibe Code Bench | Coming soon | 37.89% | Coming soon |
| cursorBench31 | Coming soon | 47.6% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 86.8% | Coming soon |
| SWE-bench (Vals) | Coming soon | 76.2% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Hy3 Preview public-lane score: Coming soon
- Kimi K2.6 public-lane score: 63.9 (#27/50)

| Benchmark | Hy3 Preview | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 79.4% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 80.1% | Coming soon |
| CharXiv | Coming soon | 80.4% | Coming soon |
| MathVision | Coming soon | 87.4% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Directional only
- Hy3 Preview public-lane score: 39.1 (Estimated · #93/160)
- Kimi K2.6 public-lane score: 56.9 (Supported · #38/160)

| Benchmark | Hy3 Preview | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.2% | 90.5% | Kimi K2.6 |
| GPQA-D | 87.2% | 90.5% | Kimi K2.6 |
| HLE | Coming soon | 34.7% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 89.1% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 87.6% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Hy3 Preview public-lane score: 46.9 (#86/124)
- Kimi K2.6 public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Hy3 Preview public-lane score: Coming soon
- Kimi K2.6 public-lane score: 71 (#1/7)

| Benchmark | Hy3 Preview | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 96.4% | Coming soon |
| HMMT Feb 2026 | Coming soon | 92.7% | Coming soon |
| MMAnswerBench | Coming soon | 86.0% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 38.966% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 14.580% | Coming soon |

## FAQ

### Which is better overall, Hy3 Preview or Kimi K2.6?

Kimi K2.6 is ahead overall on BenchLM right now.

### Where is the biggest gap between Hy3 Preview and Kimi K2.6?

The widest category gap is in knowledge, where the averages are 39.1 for Hy3 Preview and 56.9 for Kimi K2.6.

### How many benchmarks does Hy3 Preview cover on BenchLM?

Hy3 Preview currently has 6 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K2.6 cover on BenchLM?

Kimi K2.6 currently has 37 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Hy3 Preview vs Hy3](/compare/hy3-vs-hy3-preview)
- [Kimi K2.6 vs Hy3](/compare/hy3-vs-kimi-2-6)
- [Hy3 Preview vs GPT-6 Astra](/compare/gpt-6-astra-vs-hy3-preview)
- [Kimi K2.6 vs GPT-6 Astra](/compare/gpt-6-astra-vs-kimi-2-6)

## Explore More

- [Hy3 Preview profile](/models/hy3-preview)
- [Kimi K2.6 profile](/models/kimi-2-6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)