The AI arena is free today

Open Superagent

DeepSeek-R1 vs Hy4 preview

Comparing DeepSeek-R1 and Hy4 preview across benchmarks, pricing, and capabilities.

DeepSeek · Tencent · Updated for 2026

Which is better?

DeepSeek-R1 and Hy4 preview trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose DeepSeek-R1

  • you want predictable pricing at $0.55/M input and $2.19/M output

Choose Hy4 preview

  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Benchmark wins
Input price
$0.55 / M
— / M
Output price
$2.19 / M
— / M
Context window
131,072

Individual benchmarks

0 reported for DeepSeek-R1 · 32 for Hy4 preview

No common benchmarks found

DeepSeek-R1 and Hy4 previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

99.0B diff

Hy4 preview has 99.0B more parameters than DeepSeek-R1, making it 14.8% larger.

DeepSeek
DeepSeek-R1
671.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
671.0B
DeepSeek-R1
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only DeepSeek-R1 specifies input context (131,072 tokens). Only DeepSeek-R1 specifies output context (131,072 tokens).

DeepSeek
DeepSeek-R1
Input131,072 tokens
Output131,072 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

DeepSeek-R1 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-R1

MIT

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

DeepSeek-R1 was released on 2025-01-20, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 20 months newer than DeepSeek-R1.

DeepSeek-R1

Jan 20, 2025

1.6 years ago

Hy4 preview

Aug 28, 2026

3 days ago

1.6yr 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-R1 and Hy4 preview side-by-side, then vote on the output you prefer.

DeepSeek-R1
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about DeepSeek-R1 vs Hy4 preview.

Which is better, DeepSeek-R1 or Hy4 preview?

DeepSeek-R1 (DeepSeek) and Hy4 preview (Tencent) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does DeepSeek-R1 compare to Hy4 preview 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%.

What are the context window sizes for DeepSeek-R1 and Hy4 preview?

DeepSeek-R1 supports 131K 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-R1 and Hy4 preview?

Key differences include licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-R1 and Hy4 preview?

DeepSeek-R1 is developed by DeepSeek and Hy4 preview is developed by Tencent.