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Command R+ vs Grok-1.5

Command R+ and Grok-1.5 are closely matched at -0.2 and -2.5 on the LLM Stats Score.

Cohere · xAI · Updated for 2026

Which is better?

Command R+ and Grok-1.5 are closely matched on the overall LLM Stats Score at -0.2 and -2.5.

In the 2 individual benchmarks reported for both models, Grok-1.5 wins 2; 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 Command R+

  • you want the most recent training data — it shipped Aug 2024
  • you need open weights you can self-host or fine-tune

Choose Grok-1.5

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results

At a glance

The differences that matter most.

Core performance indexes
-0.2
#315
-2.5
#328
-0.5
#310
-2.0
#318
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
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

3 shared
Index
Command R+
Grok-1.5
-1.7#299
5.4#266
1.7#179
5.2#166
1.7#168
5.2#151
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Command R+ · 9 for Grok-1.5

2 shared

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

Grok-1.5 significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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
xAI
Grok-1.5
Input- tokens
Output- tokens
Sat Sep 05 2026 • llm-stats.com

License

Usage and distribution terms

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

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

Command R+

CC BY-NC

Open weights

Grok-1.5

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Command R+

Aug 30, 2024

2.0 years ago

5mo newer
Grok-1.5

Mar 28, 2024

2.4 years ago

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 Grok-1.5 side-by-side, then vote on the output you prefer.

Command R+
✓ Preferred
Grok-1.5
Open in Playground

FAQ

Common questions about Command R+ vs Grok-1.5.

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

Command R+ and Grok-1.5 are closely matched on the LLM Stats Score at -0.2 and -2.5. Command R+ is made by Cohere and Grok-1.5 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

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

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

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

Command R+ supports 128K tokens and Grok-1.5 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 Grok-1.5?

Key differences include LLM Stats Score (-0.2 vs -2.5), licensing (CC BY-NC vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Command R+ and Grok-1.5?

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