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IBM Granite 4.2 8B vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.5 to 19.9.

IBM · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 19.9, ranking #10 overall.

In the 4 individual benchmarks reported for both models, Hy4 preview wins 4; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose IBM Granite 4.2 8B

  • you are already invested in the IBM ecosystem

Choose Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

IBM Granite 4.2 8B
IBM
Hy4 preview
Tencent
Core performance indexes
LLM Stats Score
19.9
#185
51.5
#10
Reasoning
17.6
#193
51.2
#8
Coding
2.8
#210
40.9
#10
Agents
2.6
#150
37.1
#11
Cost, coverage & limits
Benchmark wins
0 of 4
4 of 4
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
IBM Granite 4.2 8B
Hy4 preview
Math
21.2#141
40.3#12
Tool use
4.9#145
32.6#7
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

18 reported for IBM Granite 4.2 8B · 32 for Hy4 preview

4 shared

IBM Granite 4.2 8B outperforms in 0 benchmarks, while Hy4 preview is better at 4 benchmarks (GPQA, SWE-bench Multilingual, SWE-Bench Pro, Terminal-Bench 2.1).

Hy4 preview significantly outperforms across most benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

762.0B diff

Hy4 preview has 762.0B more parameters than IBM Granite 4.2 8B, making it 9525.0% larger.

IBM
IBM Granite 4.2 8B
8.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
8.0B
IBM Granite 4.2 8B
770.0B
Hy4 preview

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

IBM Granite 4.2 8B

Apache 2.0

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

IBM Granite 4.2 8B was released on 2026-08-25, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 0 month newer than IBM Granite 4.2 8B.

IBM Granite 4.2 8B

Aug 25, 2026

6 days ago

Hy4 preview

Aug 28, 2026

3 days ago

3d newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against IBM Granite 4.2 8B and Hy4 preview side-by-side, then vote on the output you prefer.

IBM Granite 4.2 8B
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about IBM Granite 4.2 8B vs Hy4 preview.

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

Hy4 preview leads the LLM Stats Score 51.5 to 19.9. IBM Granite 4.2 8B is made by IBM and Hy4 preview is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does IBM Granite 4.2 8B compare to Hy4 preview in benchmarks?

IBM Granite 4.2 8B scores AIME 2025: 86.7%, RULER 64k: 81.0%, IFBench: 79.3%, HMMT25: 78.3%, MMLU-Pro: 74.0%. Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%.

What are the main differences between IBM Granite 4.2 8B and Hy4 preview?

Key differences include LLM Stats Score (19.9 vs 51.5). See the full comparison above for benchmark-by-benchmark results.

Who makes IBM Granite 4.2 8B and Hy4 preview?

IBM Granite 4.2 8B is developed by IBM and Hy4 preview is developed by Tencent.

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