Model Comparison

Grok-1.5 vs Command R+Which is better in 2026?

Grok-1.5 significantly outperforms across most benchmarks.

Verdict: Grok-1.5 vs Command R+ — which is better?

Grok-1.5 (by xAI) and Command R+ (by Cohere) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Grok-1.5 outperforms in 2 benchmarks (GSM8k, MMLU), while Command R+ is better at 0 benchmarks. Grok-1.5 significantly outperforms across most benchmarks.

Choose Grok-1.5 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks

Choose Command R+ if…

  • you want the most recent training data — it shipped Aug 2024
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Grok-1.5 outperforms in 2 benchmarks (GSM8k, MMLU), while Command R+ is better at 0 benchmarks.

Grok-1.5 significantly outperforms across most benchmarks.

Sat Jun 13 2026 • llm-stats.com

Arena Performance

Human preference votes

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).

xAI
Grok-1.5
Input- tokens
Output- tokens
Cohere
Command R+
Input128,000 tokens
Output128,000 tokens
Sat Jun 13 2026 • llm-stats.com

License

Usage and distribution terms

Grok-1.5 is licensed under a proprietary license, while Command R+ uses CC BY-NC.

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

Grok-1.5

Proprietary

Closed source

Command R+

CC BY-NC

Open weights

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Command R+ was released on 2024-08-30.

Command R+ is 5 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.2 years ago

Command R+

Aug 30, 2024

1.8 years ago

5mo 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→

Key Takeaways

xAI
Higher GSM8k score (90.0% vs 70.7%)
Higher MMLU score (81.3% vs 75.7%)
Cohere
Larger context window (128,000 tokens)
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Cohere
Command R+

FAQ

Common questions about Grok-1.5 vs Command R+.

Which is better, Grok-1.5 or Command R+?

Grok-1.5 significantly outperforms across most benchmarks. Grok-1.5 is made by xAI and Command R+ is made by Cohere. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-1.5 compare to Command R+ in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. Command R+ scores HellaSwag: 88.6%, Winogrande: 85.4%, MMLU: 75.7%, ARC-C: 71.0%, GSM8k: 70.7%.

What are the context window sizes for Grok-1.5 and Command R+?

Grok-1.5 supports an unknown number of tokens and Command R+ supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-1.5 and Command R+?

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

Who makes Grok-1.5 and Command R+?

Grok-1.5 is developed by xAI and Command R+ is developed by Cohere.

Related comparisons