Model Comparison

Command R+ vs Kimi K2-Instruct-0905

Kimi K2-Instruct-0905 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Command R+ outperforms in 0 benchmarks, while Kimi K2-Instruct-0905 is better at 1 benchmark (MMLU).

Kimi K2-Instruct-0905 significantly outperforms across most benchmarks.

Sun May 24 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

896.0B diff

Kimi K2-Instruct-0905 has 896.0B more parameters than Command R+, making it 861.5% larger.

Cohere
Command R+
104.0Bparameters
Moonshot AI
Kimi K2-Instruct-0905
1.0Tparameters
104.0B
Command R+
1000.0B
Kimi K2-Instruct-0905

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
Moonshot AI
Kimi K2-Instruct-0905
Input- tokens
Output- tokens
Sun May 24 2026 • llm-stats.com

License

Usage and distribution terms

Command R+ is licensed under CC BY-NC, while Kimi K2-Instruct-0905 uses MIT.

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

Command R+

CC BY-NC

Open weights

Kimi K2-Instruct-0905

MIT

Open weights

Release Timeline

When each model was launched

Command R+ was released on 2024-08-30, while Kimi K2-Instruct-0905 was released on 2025-09-05.

Kimi K2-Instruct-0905 is 12 months newer than Command R+.

Command R+

Aug 30, 2024

1.7 years ago

Kimi K2-Instruct-0905

Sep 5, 2025

8 months ago

1.0yr 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

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Key Takeaways

Cohere
Larger context window (128,000 tokens)
Moonshot AI
Higher MMLU score (89.5% vs 75.7%)

Detailed Comparison

AI Model Comparison Table
Feature
Cohere
Command R+
Moonshot AI
Kimi K2-Instruct-0905

FAQ

Common questions about Command R+ vs Kimi K2-Instruct-0905.

Which is better, Command R+ or Kimi K2-Instruct-0905?

Kimi K2-Instruct-0905 significantly outperforms across most benchmarks. Command R+ is made by Cohere and Kimi K2-Instruct-0905 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Command R+ compare to Kimi K2-Instruct-0905 in benchmarks?

Command R+ scores HellaSwag: 88.6%, Winogrande: 85.4%, MMLU: 75.7%, ARC-C: 71.0%, GSM8k: 70.7%. Kimi K2-Instruct-0905 scores MATH-500: 97.4%, MMLU-Redux: 92.7%, IFEval: 89.8%, AutoLogi: 89.5%, MMLU: 89.5%.

What are the context window sizes for Command R+ and Kimi K2-Instruct-0905?

Command R+ supports 128K tokens and Kimi K2-Instruct-0905 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 Kimi K2-Instruct-0905?

Key differences include licensing (CC BY-NC vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Command R+ and Kimi K2-Instruct-0905?

Command R+ is developed by Cohere and Kimi K2-Instruct-0905 is developed by Moonshot AI.