Model Comparison

GPT-5.4 vs Command A+Which is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks.

Verdict: GPT-5.4 vs Command A+ — which is better?

GPT-5.4 (by OpenAI) and Command A+ (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.

GPT-5.4 outperforms in 2 benchmarks (MMMU-Pro, Tau2 Telecom), while Command A+ is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

Choose GPT-5.4 if…

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

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
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-5.4 outperforms in 2 benchmarks (MMMU-Pro, Tau2 Telecom), while Command A+ is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sat Jun 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.4 specifies input context (1,000,000 tokens). Only GPT-5.4 specifies output context (128,000 tokens).

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Cohere
Command A+
Input- tokens
Output- tokens
Sat Jun 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and Command A+ support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

Command A+

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.4 is licensed under a proprietary license, while Command A+ uses Apache 2.0.

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

GPT-5.4

Proprietary

Closed source

Command A+

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while Command A+ was released on 2026-05-20.

Command A+ is 3 months newer than GPT-5.4.

GPT-5.4

Mar 5, 2026

3 months ago

Command A+

May 20, 2026

1 months ago

2mo 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

OpenAI
Larger context window (1,000,000 tokens)
Higher MMMU-Pro score (81.2% vs 63.0%)
Higher Tau2 Telecom score (98.9% vs 85.0%)
Cohere
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Cohere
Command A+

FAQ

Common questions about GPT-5.4 vs Command A+.

Which is better, GPT-5.4 or Command A+?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and Command A+ is made by Cohere. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.4 compare to Command A+ in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. Command A+ scores AIME 2025: 90.0%, CharXiv-D: 88.0%, MT-AIME 2025: 86.0%, Tau2 Telecom: 85.0%, WMT24++: 81.0%.

What are the context window sizes for GPT-5.4 and Command A+?

GPT-5.4 supports 1.0M tokens and Command A+ 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 GPT-5.4 and Command A+?

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

Who makes GPT-5.4 and Command A+?

GPT-5.4 is developed by OpenAI and Command A+ is developed by Cohere.

Related comparisons