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Hy4 preview vs Phi 4 Mini

Hy4 preview leads the LLM Stats Score 51.5 to -4.0.

Tencent · Microsoft · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to -4.0, ranking #10 overall.

In the 1 individual benchmarks reported for both models, Hy4 preview wins 1; 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 Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Aug 2026

Choose Phi 4 Mini

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

Hy4 preview
Tencent
Phi 4 Mini
Microsoft
Core performance indexes
LLM Stats Score
51.5
#10
-4.0
#330
Reasoning
51.2
#8
-4.1
#324
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hy4 preview
Phi 4 Mini
Math
40.3#12
2.7#281
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 17 for Phi 4 Mini

1 shared

Hy4 preview outperforms in 1 benchmarks (GPQA), while Phi 4 Mini is better at 0 benchmarks.

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

766.2B diff

Hy4 preview has 766.2B more parameters than Phi 4 Mini, making it 19952.1% larger.

Tencent
Hy4 preview
770.0Bparameters
Microsoft
Phi 4 Mini
3.8Bparameters
770.0B
Hy4 preview
3.8B
Phi 4 Mini

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while Phi 4 Mini uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Hy4 preview

Apache 2.0

Open weights

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while Phi 4 Mini was released on 2025-02-01.

Hy4 preview is 19 months newer than Phi 4 Mini.

Hy4 preview

Aug 28, 2026

2 days ago

1.6yr newer
Phi 4 Mini

Feb 1, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Phi 4 Mini has a documented knowledge cutoff of 2024-06-01, while Hy4 preview's cutoff date is not specified.

We can confirm Phi 4 Mini's training data extends to 2024-06-01, but cannot make a direct comparison without Hy4 preview's cutoff date.

Hy4 preview

—

Phi 4 Mini

Jun 2024

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hy4 preview and Phi 4 Mini side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
Phi 4 Mini
Open in Playground

FAQ

Common questions about Hy4 preview vs Phi 4 Mini.

Which is better, Hy4 preview or Phi 4 Mini?

Hy4 preview leads the LLM Stats Score 51.5 to -4.0. Hy4 preview is made by Tencent and Phi 4 Mini is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to Phi 4 Mini in benchmarks?

Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%. Phi 4 Mini scores GSM8k: 88.6%, ARC-C: 83.7%, BoolQ: 81.2%, OpenBookQA: 79.2%, PIQA: 77.6%.

What are the main differences between Hy4 preview and Phi 4 Mini?

Key differences include LLM Stats Score (51.5 vs -4.0), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and Phi 4 Mini?

Hy4 preview is developed by Tencent and Phi 4 Mini is developed by Microsoft.

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