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Hy4 preview vs MiMo-V2.6-Flash

Hy4 preview and MiMo-V2.6-Flash are closely matched at 50.8 and 45.7 on the LLM Stats Score.

Tencent · Xiaomi · Updated for 2026

Which is better?

Hy4 preview and MiMo-V2.6-Flash are closely matched on the overall LLM Stats Score at 50.8 and 45.7.

In the 4 individual benchmarks reported for both models, MiMo-V2.6-Flash 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 Hy4 preview

  • you are already invested in the Tencent ecosystem

Choose MiMo-V2.6-Flash

  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Hy4 preview
Tencent
MiMo-V2.6-Flash
Xiaomi
Core performance indexes
LLM Stats Score
50.8
#15
45.7
#29
Reasoning
50.7
#10
43.2
#42
Coding
39.3
#15
36.6
#21
Agents
36.5
#16
33.3
#25
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

1 shared
Index
Hy4 preview
MiMo-V2.6-Flash
Tool use
30.7#15
28.1#22
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 16 for MiMo-V2.6-Flash

4 shared

Hy4 preview outperforms in 0 benchmarks, while MiMo-V2.6-Flash is better at 4 benchmarks (Agents' Last Exam, CyberGym, Program Bench, Terminal-Bench 2.1).

MiMo-V2.6-Flash significantly outperforms across most benchmarks.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

461.0B diff

Hy4 preview has 461.0B more parameters than MiMo-V2.6-Flash, making it 149.2% larger.

Tencent
Hy4 preview
770.0Bparameters
Xiaomi
MiMo-V2.6-Flash
309.0Bparameters
770.0B
Hy4 preview
309.0B
MiMo-V2.6-Flash

Input capabilities

Documented input modalities across available providers

MiMo-V2.6-Flash supports multimodal inputs, whereas Hy4 preview does not.

MiMo-V2.6-Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy4 preview

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while MiMo-V2.6-Flash 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

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while MiMo-V2.6-Flash was released on 2026-09-22.

MiMo-V2.6-Flash is 1 month newer than Hy4 preview.

Hy4 preview

Aug 28, 2026

3 weeks ago

MiMo-V2.6-Flash

Sep 22, 2026

-1 days ago

3w 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 Hy4 preview and MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Hy4 preview vs MiMo-V2.6-Flash.

Which is better, Hy4 preview or MiMo-V2.6-Flash?

Hy4 preview and MiMo-V2.6-Flash are closely matched on the LLM Stats Score at 50.8 and 45.7. Hy4 preview is made by Tencent and MiMo-V2.6-Flash is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hy4 preview compare to MiMo-V2.6-Flash 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%. MiMo-V2.6-Flash scores CyberGym: 95.1%, Terminal-Bench 2.1: 87.6%, OSWorld-Verified: 80.8%, MiMo Cyber Bench: 77.2%, Toolathlon-Verified: 73.6%.

What are the main differences between Hy4 preview and MiMo-V2.6-Flash?

Key differences include LLM Stats Score (50.8 vs 45.7), multimodal support (no vs yes), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and MiMo-V2.6-Flash?

Hy4 preview is developed by Tencent and MiMo-V2.6-Flash is developed by Xiaomi.

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