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Command R+ vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.5 to -0.1.

Cohere · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to -0.1, ranking #10 overall.

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

Choose Command R+

  • you want predictable pricing at $0.25/M input and $1.00/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Command R+
Cohere
Hy4 preview
Tencent
Core performance indexes
LLM Stats Score
-0.1
#310
51.5
#10
Reasoning
-0.4
#306
51.2
#8
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.25 / M
— / M
Output price
$1.00 / M
— / M
Context window
128,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Command R+
Hy4 preview
Math
-1.7#297
40.3#12
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Command R+ · 32 for Hy4 preview

No common benchmarks found

Command R+ 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

666.0B diff

Hy4 preview has 666.0B more parameters than Command R+, making it 640.4% larger.

Cohere
Command R+
104.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
104.0B
Command R+
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only Command R+ specifies input context (128,000 tokens). Only Command R+ specifies output context (128,000 tokens).

Cohere
Command R+
Input128,000 tokens
Output128,000 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

Command R+ is licensed under CC BY-NC, while Hy4 preview uses Apache 2.0.

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

Command R+

CC BY-NC

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Command R+ was released on 2024-08-30, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 24 months newer than Command R+.

Command R+

Aug 30, 2024

2.0 years ago

Hy4 preview

Aug 28, 2026

3 days ago

2.0yr 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 Command R+ and Hy4 preview side-by-side, then vote on the output you prefer.

Command R+
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about Command R+ vs Hy4 preview.

Which is better, Command R+ or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.5 to -0.1. Command R+ is made by Cohere 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 Command R+ compare to Hy4 preview in benchmarks?

Command R+ scores HellaSwag: 88.6%, Winogrande: 85.4%, MMLU: 75.7%, ARC-C: 71.0%, GSM8k: 70.7%. 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 Command R+ and Hy4 preview?

Command R+ supports 128K 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 Command R+ and Hy4 preview?

Key differences include LLM Stats Score (-0.1 vs 51.5), licensing (CC BY-NC vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Command R+ and Hy4 preview?

Command R+ is developed by Cohere and Hy4 preview is developed by Tencent.

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