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Hy4 preview vs Phi-3.5-mini-instruct

Hy4 preview leads the LLM Stats Score 51.5 to -3.7.

Tencent · Microsoft · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to -3.7, 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 and coding — 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-3.5-mini-instruct

  • you want predictable pricing at $0.10/M input and $0.10/M output

At a glance

The differences that matter most.

Hy4 preview
Tencent
Phi-3.5-mini-instruct
Microsoft
Core performance indexes
LLM Stats Score
51.5
#10
-3.7
#329
Reasoning
51.2
#8
-4.6
#327
Coding
40.9
#10
-6.8
#248
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$0.10 / M
Output price
— / M
$0.10 / M
Context window
—
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hy4 preview
Phi-3.5-mini-instruct
Math
40.3#12
-1.1#293
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 31 for Phi-3.5-mini-instruct

1 shared

Hy4 preview outperforms in 1 benchmarks (GPQA), while Phi-3.5-mini-instruct 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-3.5-mini-instruct, making it 20163.2% larger.

Tencent
Hy4 preview
770.0Bparameters
Microsoft
Phi-3.5-mini-instruct
3.8Bparameters
770.0B
Hy4 preview
3.8B
Phi-3.5-mini-instruct

Context Window

Maximum input and output token capacity

Only Phi-3.5-mini-instruct specifies input context (128,000 tokens). Only Phi-3.5-mini-instruct specifies output context (128,000 tokens).

Tencent
Hy4 preview
Input- tokens
Output- tokens
Microsoft
Phi-3.5-mini-instruct
Input128,000 tokens
Output128,000 tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while Phi-3.5-mini-instruct 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-3.5-mini-instruct

MIT

Open weights

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while Phi-3.5-mini-instruct was released on 2024-08-23.

Hy4 preview is 25 months newer than Phi-3.5-mini-instruct.

Hy4 preview

Aug 28, 2026

2 days ago

2.0yr newer
Phi-3.5-mini-instruct

Aug 23, 2024

2.0 years ago

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 Hy4 preview and Phi-3.5-mini-instruct side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
Phi-3.5-mini-instruct
Open in Playground

FAQ

Common questions about Hy4 preview vs Phi-3.5-mini-instruct.

Which is better, Hy4 preview or Phi-3.5-mini-instruct?

Hy4 preview leads the LLM Stats Score 51.5 to -3.7. Hy4 preview is made by Tencent and Phi-3.5-mini-instruct 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-3.5-mini-instruct 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-3.5-mini-instruct scores GSM8k: 86.2%, ARC-C: 84.6%, RULER: 84.1%, PIQA: 81.0%, OpenBookQA: 79.2%.

What are the context window sizes for Hy4 preview and Phi-3.5-mini-instruct?

Hy4 preview supports an unknown number of tokens and Phi-3.5-mini-instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy4 preview and Phi-3.5-mini-instruct?

Key differences include LLM Stats Score (51.5 vs -3.7), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and Phi-3.5-mini-instruct?

Hy4 preview is developed by Tencent and Phi-3.5-mini-instruct is developed by Microsoft.

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