Model Comparison

Command A+ vs GPT-5.5 ProWhich is better in 2026?

Comparing Command A+ and GPT-5.5 Pro across benchmarks, pricing, and capabilities.

Verdict: Command A+ vs GPT-5.5 Pro — which is better?

Command A+ (by Cohere) and GPT-5.5 Pro (by OpenAI) 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.

Choose Command A+ if…

  • you want the most recent training data — it shipped May 2026
  • you need open weights you can self-host or fine-tune

Choose GPT-5.5 Pro if…

  • you want predictable pricing at $30.00/M input and $180.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Command A+ and GPT-5.5 Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.5 Pro specifies input context (1,050,000 tokens). Only GPT-5.5 Pro specifies output context (128,000 tokens).

Cohere
Command A+
Input- tokens
Output- tokens
OpenAI
GPT-5.5 Pro
Input1,050,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Command A+ and GPT-5.5 Pro support multimodal inputs.

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

Command A+

Text
Images
Audio
Video

GPT-5.5 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Command A+ is licensed under Apache 2.0, while GPT-5.5 Pro 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-5.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Command A+ was released on 2026-05-20, while GPT-5.5 Pro was released on 2026-04-23.

Command A+ is 1 month newer than GPT-5.5 Pro.

Command A+

May 20, 2026

1 months ago

3w newer
GPT-5.5 Pro

Apr 23, 2026

2 months ago

Knowledge Cutoff

When training data ends

GPT-5.5 Pro has a documented knowledge cutoff of 2025-12-01, while Command A+'s cutoff date is not specified.

We can confirm GPT-5.5 Pro's training data extends to 2025-12-01, but cannot make a direct comparison without Command A+'s cutoff date.

Command A+

—

GPT-5.5 Pro

Dec 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Cohere
Has open weights
OpenAI
Larger context window (1,050,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Command A+ and GPT-5.5 Pro side-by-side, then vote on the output you prefer.

Command A+
✓ Preferred
GPT-5.5 Pro
Open in Playground
AI Model Comparison Table
Feature
Cohere
Command A+
OpenAI
GPT-5.5 Pro

FAQ

Common questions about Command A+ vs GPT-5.5 Pro.

Which is better, Command A+ or GPT-5.5 Pro?

Command A+ (Cohere) and GPT-5.5 Pro (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Command A+ compare to GPT-5.5 Pro 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-5.5 Pro scores BrowseComp: 90.1%, GDPval-MM: 82.3%, Humanity's Last Exam: 57.2%, FrontierMath: 39.6%, GeneBench: 33.2%.

What are the context window sizes for Command A+ and GPT-5.5 Pro?

Command A+ supports an unknown number of tokens and GPT-5.5 Pro 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-5.5 Pro?

Key differences include licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Command A+ and GPT-5.5 Pro?

Command A+ is developed by Cohere and GPT-5.5 Pro is developed by OpenAI.

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