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DeepSeek-V4-Pro-Max vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.1 to 43.5.

DeepSeek · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.1 to 43.5, ranking #14 overall.

In the 6 individual benchmarks reported for both models, Hy4 preview wins 5; 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 DeepSeek-V4-Pro-Max

  • you want predictable pricing at $1.60/M input and $3.20/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.1 and ranks #14 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 5 of 6 exact shared results
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

DeepSeek-V4-Pro-Max
DeepSeek
Hy4 preview
Tencent
Core performance indexes
LLM Stats Score
43.5
#37
51.1
#14
Reasoning
43.7
#37
50.7
#11
Coding
32.2
#36
39.8
#12
Agents
23.7
#51
36.3
#14
Cost, coverage & limits
Benchmark wins
1 of 6
5 of 6
Input price
$1.60 / M
— / M
Output price
$3.20 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
DeepSeek-V4-Pro-Max
Hy4 preview
Math
41.1#9
39.4#17
Tool use
22.8#41
31.1#10
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for DeepSeek-V4-Pro-Max · 32 for Hy4 preview

6 shared

DeepSeek-V4-Pro-Max outperforms in 1 benchmarks (MathArena Apex), while Hy4 preview is better at 5 benchmarks (GPQA, MCP Atlas, SWE-bench Multilingual, SWE-Bench Pro, Toolathlon).

Hy4 preview significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

830.0B diff

DeepSeek-V4-Pro-Max has 830.0B more parameters than Hy4 preview, making it 107.8% larger.

DeepSeek
DeepSeek-V4-Pro-Max
1.6Tparameters
Tencent
Hy4 preview
770.0Bparameters
1600.0B
DeepSeek-V4-Pro-Max
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only DeepSeek-V4-Pro-Max specifies input context (1,048,576 tokens). Only DeepSeek-V4-Pro-Max specifies output context (131,072 tokens).

DeepSeek
DeepSeek-V4-Pro-Max
Input1,048,576 tokens
Output131,072 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Sat Sep 05 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-V4-Pro-Max is licensed under MIT, while Hy4 preview uses Apache 2.0.

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

DeepSeek-V4-Pro-Max

MIT

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

DeepSeek-V4-Pro-Max was released on 2026-04-23, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 4 months newer than DeepSeek-V4-Pro-Max.

DeepSeek-V4-Pro-Max

Apr 23, 2026

4 months ago

Hy4 preview

Aug 28, 2026

1 weeks ago

4mo 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 DeepSeek-V4-Pro-Max and Hy4 preview side-by-side, then vote on the output you prefer.

DeepSeek-V4-Pro-Max
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about DeepSeek-V4-Pro-Max vs Hy4 preview.

Which is better, DeepSeek-V4-Pro-Max or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.1 to 43.5. DeepSeek-V4-Pro-Max is made by DeepSeek and Hy4 preview is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4-Pro-Max compare to Hy4 preview in benchmarks?

DeepSeek-V4-Pro-Max scores CodeForces: 100.0%, HMMT Feb 26: 95.2%, LiveCodeBench: 93.5%, MathArena Apex: 90.2%, GPQA: 90.1%. Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%.

What are the context window sizes for DeepSeek-V4-Pro-Max and Hy4 preview?

DeepSeek-V4-Pro-Max supports 1.0M tokens and Hy4 preview supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4-Pro-Max and Hy4 preview?

Key differences include LLM Stats Score (43.5 vs 51.1), licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4-Pro-Max and Hy4 preview?

DeepSeek-V4-Pro-Max is developed by DeepSeek and Hy4 preview is developed by Tencent.

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