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Hy4 preview vs Qwen3.8-Flash-Next

Hy4 preview and Qwen3.8-Flash-Next are closely matched at 51.5 and 49.7 on the LLM Stats Score.

Tencent · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Hy4 preview and Qwen3.8-Flash-Next are closely matched on the overall LLM Stats Score at 51.5 and 49.7.

In the 7 individual benchmarks reported for both models, Hy4 preview wins 6; 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

  • you value its reported benchmark strengths — it wins 6 of 7 exact shared results
  • you want the most recent training data — it shipped Aug 2026

Choose Qwen3.8-Flash-Next

  • you are already invested in the Alibaba Cloud / Qwen Team ecosystem

At a glance

The differences that matter most.

Hy4 preview
Tencent
Qwen3.8-Flash-Next
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
51.5
#10
49.7
#15
Reasoning
51.2
#8
49.3
#15
Coding
40.9
#10
36.6
#18
Agents
37.1
#11
35.5
#13
Cost, coverage & limits
Benchmark wins
6 of 7
1 of 7
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Hy4 preview
Qwen3.8-Flash-Next
Math
40.3#12
32.7#53
Tool use
32.6#7
31.6#9
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 22 for Qwen3.8-Flash-Next

7 shared

Hy4 preview outperforms in 6 benchmarks (GPQA, Job Bench, NL2Repo, SWE-bench Multilingual, SWE-Bench Pro, Toolathlon), while Qwen3.8-Flash-Next is better at 1 benchmark (Agents' Last Exam).

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

645.0B diff

Hy4 preview has 645.0B more parameters than Qwen3.8-Flash-Next, making it 516.0% larger.

Tencent
Hy4 preview
770.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.8-Flash-Next
125.0Bparameters
770.0B
Hy4 preview
125.0B
Qwen3.8-Flash-Next

Input capabilities

Documented input modalities across available providers

Qwen3.8-Flash-Next supports multimodal inputs, whereas Hy4 preview does not.

Qwen3.8-Flash-Next can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy4 preview

Text
Images
Audio
Video

Qwen3.8-Flash-Next

Text
Images
Audio
Video

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.

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

Hy4 preview

Apache 2.0

Open weights

Qwen3.8-Flash-Next

Qwen Community License 1.0

Open weights

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while Qwen3.8-Flash-Next was released on 2026-08-26.

Hy4 preview is 0 month newer than Qwen3.8-Flash-Next.

Hy4 preview

Aug 28, 2026

3 days ago

2d newer
Qwen3.8-Flash-Next

Aug 26, 2026

5 days 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 Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
Qwen3.8-Flash-Next
Open in Playground

FAQ

Common questions about Hy4 preview vs Qwen3.8-Flash-Next.

Which is better, Hy4 preview or Qwen3.8-Flash-Next?

Hy4 preview and Qwen3.8-Flash-Next are closely matched on the LLM Stats Score at 51.5 and 49.7. Hy4 preview is made by Tencent and Qwen3.8-Flash-Next is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to Qwen3.8-Flash-Next 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%. Qwen3.8-Flash-Next scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

What are the main differences between Hy4 preview and Qwen3.8-Flash-Next?

Key differences include LLM Stats Score (51.5 vs 49.7), multimodal support (no vs yes), licensing (Apache 2.0 vs Qwen Community License 1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and Qwen3.8-Flash-Next?

Hy4 preview is developed by Tencent and Qwen3.8-Flash-Next is developed by Alibaba Cloud / Qwen Team.

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