Command R+ vs Grok-1.5
Grok-1.5 significantly outperforms across most benchmarks.
Cohere · xAI · Updated for 2026
Which is better?
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.
Based on current benchmark, 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 want the strongest raw capability — it leads on 2 of 2 shared benchmarks
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
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.
Arena Performance
Playground indexes and blind 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).
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.
CC BY-NC
Open weights
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.
Aug 30, 2024
2.0 years ago
5mo newerMar 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.
Outputs Comparison
Judge for yourself.
Run your own prompts against Command R+ and Grok-1.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Command R+ vs Grok-1.5.