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Hy4 preview vs MiMo-V2-Pro

Hy4 preview leads the LLM Stats Score 51.5 to 35.9.

Tencent · Xiaomi · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 35.9, 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
  • you need open weights you can self-host or fine-tune

Choose MiMo-V2-Pro

  • you want predictable pricing at $1.00/M input and $3.00/M output

At a glance

The differences that matter most.

Hy4 preview
Tencent
MiMo-V2-Pro
Xiaomi
Core performance indexes
LLM Stats Score
51.5
#10
35.9
#74
Reasoning
51.2
#8
37.7
#58
Coding
40.9
#10
26.0
#58
Agents
37.1
#11
17.1
#66
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
— / M
$1.00 / M
Output price
— / M
$3.00 / M
Context window
—
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hy4 preview
MiMo-V2-Pro
Tool use
32.6#7
19.3#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

32 reported for Hy4 preview · 7 for MiMo-V2-Pro

1 shared

Hy4 preview outperforms in 1 benchmarks (SWE-bench Multilingual), while MiMo-V2-Pro 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

230.0B diff

MiMo-V2-Pro has 230.0B more parameters than Hy4 preview, making it 29.9% larger.

Tencent
Hy4 preview
770.0Bparameters
Xiaomi
MiMo-V2-Pro
1.0Tparameters
770.0B
Hy4 preview
1000.0B
MiMo-V2-Pro

Context Window

Maximum input and output token capacity

Only MiMo-V2-Pro specifies input context (1,000,000 tokens). Only MiMo-V2-Pro specifies output context (16,384 tokens).

Tencent
Hy4 preview
Input- tokens
Output- tokens
Xiaomi
MiMo-V2-Pro
Input1,000,000 tokens
Output16,384 tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

Hy4 preview is licensed under Apache 2.0, while MiMo-V2-Pro uses a proprietary license.

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-Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Hy4 preview was released on 2026-08-28, while MiMo-V2-Pro was released on 2026-03-18.

Hy4 preview is 5 months newer than MiMo-V2-Pro.

Hy4 preview

Aug 28, 2026

2 days ago

5mo newer
MiMo-V2-Pro

Mar 18, 2026

5 months 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 MiMo-V2-Pro side-by-side, then vote on the output you prefer.

Hy4 preview
✓ Preferred
MiMo-V2-Pro
Open in Playground

FAQ

Common questions about Hy4 preview vs MiMo-V2-Pro.

Which is better, Hy4 preview or MiMo-V2-Pro?

Hy4 preview leads the LLM Stats Score 51.5 to 35.9. Hy4 preview is made by Tencent and MiMo-V2-Pro 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-Pro 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-Pro scores Tau2 Telecom: 96.8%, DeepSearchQA: 86.7%, PinchBench: 81.0%, SWE-Bench Verified: 78.0%, SWE-bench Multilingual: 71.7%.

What are the context window sizes for Hy4 preview and MiMo-V2-Pro?

Hy4 preview supports an unknown number of tokens and MiMo-V2-Pro supports 1.0M 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 MiMo-V2-Pro?

Key differences include LLM Stats Score (51.5 vs 35.9), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy4 preview and MiMo-V2-Pro?

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

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