# Hy4 preview vs Inkling 2 Small

> Side-by-side benchmark comparison for Hy4 preview and Inkling 2 Small across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-preview-vs-inkling-2-small
- Last updated: November 7, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Hy4 preview leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Hy4 preview has the higher overall point estimate 61.33 to 59.06. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 64.4 for Hy4 preview and 60.4 for Inkling 2 Small.
- The biggest single benchmark swing is Apex in Mathematics, with scores of 74.2% and 63.5%.
- Hy4 preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Hy4 preview | Inkling 2 Small |
|----------|----------|----------|
| Creator | Tencent | Thinking Machines Lab |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Hybrid |
| Context | 1M | 1M |
| Overall Score | 61.33 | 59.06 |
| Benchmarks Covered | 33 | 25 |
| Pricing (input/output) | $0.00 / $0.00 | $0.30 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Hy4 preview public-lane score: 56.6 (Estimated · #37/131)
- Inkling 2 Small public-lane score: 59.9 (Supported · #26/131)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 85.1% | Hy4 preview |
| CyberGym | 78.4% | Coming soon | Coming soon |
| WideResearch | 83.9% | Coming soon | Coming soon |
| DRACO | 77.2% | Coming soon | Coming soon |
| MCP Atlas | 83.7% | 85% | Inkling 2 Small |
| Toolathlon-Verified | 74.1% | Coming soon | Coming soon |
| APEX-Agents | 37.1% | Coming soon | Coming soon |
| skillsBench | 62.9% | Coming soon | Coming soon |
| JobBench | 61.7% | 70.5% | Inkling 2 Small |
| Agents' Last Exam | 22.8% | Coming soon | Coming soon |
| AutomationBench | 32.1% | Coming soon | Coming soon |
| BankerToolBench | 78.6% | Coming soon | Coming soon |
| HLE w/ tools | 55.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| CWE-bench v1 | 53.0% | Coming soon | Coming soon |
| Hermes Index | 26.1% | Coming soon | Coming soon |
| Hermes Bench | 58.6% | Coming soon | Coming soon |
| BrowseComp | Coming soon | 90.2% | Coming soon |
| DeepSearchQA | Coming soon | 90.9% | Coming soon |

### Coding

- Winner: Inkling 2 Small
- Hy4 preview public-lane score: 56.6 (Supported · #27/157)
- Inkling 2 Small public-lane score: 59.7 (Supported · #20/157)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 85.1% | Hy4 preview |
| SWE-bench Pro | 65.7% | Coming soon | Coming soon |
| SWE Multilingual | 82.9% | 81.2% | Hy4 preview |
| DeepSWE | 64.3% | 72.1% | Inkling 2 Small |
| NL2Repo | 58.9% | Coming soon | Coming soon |
| ProgramBench | 17.5% | Coming soon | Coming soon |
| PostTrain Bench | 35.6% | Coming soon | Coming soon |
| sweMarathon | 31.9% | 38.8% | Inkling 2 Small |
| SWE-bench Verified | Coming soon | 82.2% | Coming soon |
| PostTrainBench v1.2 | Coming soon | 31.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Inkling 2 Small public-lane score: 86.1 (Unranked · 2 rankable rows)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.59 | Coming soon | Coming soon |
| CritPt | 16.9% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 70.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Hy4 preview public-lane score: 86.4 (Unranked · 1 rankable row)
- Inkling 2 Small public-lane score: 86.6 (#12/59)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |
| CharXiv | Coming soon | 87.7% | Coming soon |
| CharXiv w/o tools | Coming soon | 85.6% | Coming soon |
| Chartography (no tools) | Coming soon | 36.7% | Coming soon |
| Chartography (tools) | Coming soon | 80.4% | Coming soon |
| BabyVision | Coming soon | 68.6% | Coming soon |
| BabyVision w/ Python | Coming soon | 93.7% | Coming soon |
| ScreenSpot Pro | Coming soon | 83.8% | Coming soon |
| PerceptionBench | Coming soon | 64.7% | Coming soon |
| MathVision | Coming soon | 92.8% | Coming soon |

### Knowledge

- Winner: Directional only
- Hy4 preview public-lane score: 64.4 (Estimated · #38/178)
- Inkling 2 Small public-lane score: 60.4 (Estimated · #46/178)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.3% | 93% | Inkling 2 Small |
| GPQA-D | 92.3% | 93.0% | Inkling 2 Small |
| HLE | 55.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.4% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Inkling 2 Small public-lane score: 85.9 (Unranked · 2 rankable rows)

| Benchmark | Hy4 preview | Inkling 2 Small | Winner |
|-----------|-----------|-----------|--------|
| Apex | 74.2% | 63.5% | Hy4 preview |
| HMMT Feb 2026 | Coming soon | 95.8% | Coming soon |

## FAQ

### Which is better overall, Hy4 preview or Inkling 2 Small?

Hy4 preview has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Hy4 preview and Inkling 2 Small?

The widest category gap is in knowledge, where the averages are 64.4 for Hy4 preview and 60.4 for Inkling 2 Small.

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

Hy4 preview currently has 33 sourced benchmark scores on BenchLM.

### How many benchmarks does Inkling 2 Small cover on BenchLM?

Inkling 2 Small currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Hy4 preview vs Hy4](/compare/hy4-vs-hy4-preview)
- [Inkling 2 Small vs Hy4](/compare/hy4-vs-inkling-2-small)
- [Hy4 preview vs Inkling-Small](/compare/hy4-preview-vs-inkling-small)
- [Inkling 2 Small vs Inkling-Small](/compare/inkling-2-small-vs-inkling-small)

## Explore More

- [Hy4 preview profile](/models/hy4-preview)
- [Inkling 2 Small profile](/models/inkling-2-small)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)