The AI arena is free today

Open Superagent

Command A+ vs GPT-6 Luna

GPT-6 Luna leads the LLM Stats Score 43.1 to 23.6.

Cohere · OpenAI · Updated for 2026

Which is better?

GPT-6 Luna leads the overall LLM Stats Score 43.1 to 23.6, ranking #55 overall.

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

Choose Command A+

  • you need open weights you can self-host or fine-tune

Choose GPT-6 Luna

  • overall performance matters — it scores 43.1 and ranks #55 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Command A+
Cohere
GPT-6 Luna
OpenAI
Core performance indexes
LLM Stats Score
23.6
#193
43.1
#55
Reasoning
21.0
#203
39.9
#69
Coding
6.3
#211
28.6
#71
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.50 / M
Context window
—
1,050,000

Individual benchmarks

15 reported for Command A+ · 5 for GPT-6 Luna

No common benchmarks found

Command A+ and GPT-6 Lunadon'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

Context Window

Maximum input and output token capacity

Only GPT-6 Luna specifies input context (1,050,000 tokens). Only GPT-6 Luna specifies output context (128,000 tokens).

Cohere
Command A+
Input- tokens
Output- tokens
OpenAI
GPT-6 Luna
Input1,050,000 tokens
Output128,000 tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Command A+ and GPT-6 Luna support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Command A+

Text
Images
Audio
Video

GPT-6 Luna

Text
Images
Audio
Video

License

Usage and distribution terms

Command A+ is licensed under Apache 2.0, while GPT-6 Luna uses a proprietary license.

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

Command A+

Apache 2.0

Open weights

GPT-6 Luna

Proprietary

Closed source

Release Timeline

When each model was launched

Command A+ was released on 2026-05-20, while GPT-6 Luna was released on 2026-09-22.

GPT-6 Luna is 4 months newer than Command A+.

Command A+

May 20, 2026

5 months ago

GPT-6 Luna

Sep 22, 2026

1 months ago

4mo newer

Knowledge Cutoff

When training data ends

GPT-6 Luna has a documented knowledge cutoff of 2026-05-18, while Command A+'s cutoff date is not specified.

We can confirm GPT-6 Luna's training data extends to 2026-05-18, but cannot make a direct comparison without Command A+'s cutoff date.

Command A+

—

GPT-6 Luna

May 2026

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Command A+ and GPT-6 Luna side-by-side, then vote on the output you prefer.

Command A+
✓ Preferred
GPT-6 Luna
Open in Playground

FAQ

Common questions about Command A+ vs GPT-6 Luna.

Which is better, Command A+ or GPT-6 Luna?

GPT-6 Luna leads the LLM Stats Score 43.1 to 23.6. Command A+ is made by Cohere and GPT-6 Luna is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Command A+ compare to GPT-6 Luna in benchmarks?

Command A+ scores AIME 2025: 90.0%, CharXiv-D: 88.0%, MT-AIME 2025: 86.0%, Tau2 Telecom: 85.0%, WMT24++: 81.0%. GPT-6 Luna scores DeepSWE 1.1: 66.6%, OSWorld 2.0: 52.7%, Agents' Last Exam: 50.9%, FrontierCode 1.1: 42.4%, AutomationBench v1.0.6: 20.7%.

What are the context window sizes for Command A+ and GPT-6 Luna?

Command A+ supports an unknown number of tokens and GPT-6 Luna supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Command A+ and GPT-6 Luna?

Key differences include LLM Stats Score (23.6 vs 43.1), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Command A+ and GPT-6 Luna?

Command A+ is developed by Cohere and GPT-6 Luna is developed by OpenAI.

Related comparisons