# Granite 4.2 8B vs Hy4 preview

> Side-by-side benchmark comparison for Granite 4.2 8B and Hy4 preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-8b-vs-hy4-preview
- Last updated: October 15, 2026

- Shared sourced benchmarks: 5
- 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 61.36 to 33.4. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 15.7 for Granite 4.2 8B and 56 for Hy4 preview.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 20.6% and 85.4%.
- Hy4 preview also has the larger context window at 1M.

## Model Snapshot

| Property | Granite 4.2 8B | Hy4 preview |
|----------|----------|----------|
| Creator | IBM | Tencent |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Overall Score | 33.4 | 61.36 |
| Benchmarks Covered | 14 | 32 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Granite 4.2 8B public-lane score: 15.7 (Estimated · #113/127)
- Hy4 preview public-lane score: 56 (Estimated · #40/127)

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 20.6% | 85.4% | Hy4 preview |
| τ³-bench results | 58.1% | Coming soon | Coming soon |
| BFCL v4 | 52.4% | Coming soon | Coming soon |
| CyberGym | Coming soon | 78.4% | Coming soon |
| WideResearch | Coming soon | 83.9% | Coming soon |
| DRACO | Coming soon | 77.2% | Coming soon |
| MCP Atlas | Coming soon | 83.7% | Coming soon |
| Toolathlon-Verified | Coming soon | 74.1% | Coming soon |
| APEX-Agents | Coming soon | 37.1% | Coming soon |
| skillsBench | Coming soon | 62.9% | Coming soon |
| JobBench | Coming soon | 61.7% | Coming soon |
| Agents' Last Exam | Coming soon | 22.8% | Coming soon |
| AutomationBench | Coming soon | 32.1% | Coming soon |
| BankerToolBench | Coming soon | 78.6% | Coming soon |
| HLE w/ tools | Coming soon | 55.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 55.1% | Coming soon |
| CWE-bench v1 | Coming soon | 53.0% | Coming soon |
| Hermes Index | Coming soon | 26.1% | Coming soon |
| Hermes Bench | Coming soon | 58.6% | Coming soon |

### Coding

- Winner: Directional only
- Granite 4.2 8B public-lane score: 17.2 (Estimated · #125/150)
- Hy4 preview public-lane score: 56.7 (Supported · #27/150)

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 47.7% | Coming soon | Coming soon |
| SWE-bench Pro | 19.1% | 65.7% | Hy4 preview |
| SWE Multilingual | 30.8% | 82.9% | Hy4 preview |
| Terminal-Bench 2.1 | 20.6% | 85.4% | Hy4 preview |
| LiveCodeBench v6 | 73.2% | Coming soon | Coming soon |
| SciCode | 36.1% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 64.3% | Coming soon |
| NL2Repo | Coming soon | 58.9% | Coming soon |
| ProgramBench | Coming soon | 17.5% | Coming soon |
| PostTrain Bench | Coming soon | 35.6% | Coming soon |
| sweMarathon | Coming soon | 31.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Granite 4.2 8B public-lane score: 56.8 (Unranked · 2 rankable rows)
- Hy4 preview public-lane score: Coming soon

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 16.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Hy4 preview public-lane score: 88.3 (Unranked · 1 rankable row)

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | Coming soon | 66.2% | Coming soon |

### Knowledge

- Winner: Directional only
- Granite 4.2 8B public-lane score: 30.6 (Supported · #154/184)
- Hy4 preview public-lane score: 64.1 (Estimated · #40/184)

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 64.1% | 92.3% | Hy4 preview |
| MMLU-Pro | 74.0% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 92.3% | Coming soon |
| HLE | Coming soon | 55.4% | Coming soon |
| HLE w/o tools | Coming soon | 43.4% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Granite 4.2 8B public-lane score: 86.5 (#41/146)
- Hy4 preview public-lane score: Coming soon

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.3% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Hy4 preview public-lane score: Coming soon

| Benchmark | Granite 4.2 8B | Hy4 preview | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 86.7% | Coming soon | Coming soon |
| HMMT Feb 2025 | 78.3% | Coming soon | Coming soon |
| Apex | Coming soon | 74.2% | Coming soon |

## FAQ

### Which is better overall, Granite 4.2 8B or Hy4 preview?

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

### Where is the biggest gap between Granite 4.2 8B and Hy4 preview?

The widest category gap is in agentic, where the averages are 15.7 for Granite 4.2 8B and 56 for Hy4 preview.

### How many benchmarks does Granite 4.2 8B cover on BenchLM?

Granite 4.2 8B currently has 14 sourced benchmark scores on BenchLM.

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

Hy4 preview currently has 32 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Granite 4.2 8B vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-granite-4-2-8b)
- [Hy4 preview vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-hy4-preview)
- [Granite 4.2 8B vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-granite-4-2-8b)
- [Hy4 preview vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-hy4-preview)

## Explore More

- [Granite 4.2 8B profile](/models/granite-4-2-8b)
- [Hy4 preview profile](/models/hy4-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)