Model Comparison

Claude Opus 4.8 vs Command A+Which is better in 2026?

Claude Opus 4.8 significantly outperforms across most benchmarks.

Verdict: Claude Opus 4.8 vs Command A+ — which is better?

Claude Opus 4.8 (by Anthropic) 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.

Claude Opus 4.8 outperforms in 1 benchmarks (CharXiv-R), while Command A+ is better at 0 benchmarks. Claude Opus 4.8 significantly outperforms across most benchmarks.

Choose Claude Opus 4.8 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped May 2026

Choose Command A+ if…

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

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.8 outperforms in 1 benchmarks (CharXiv-R), while Command A+ is better at 0 benchmarks.

Claude Opus 4.8 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude Opus 4.8 specifies input context (1,000,000 tokens). Only Claude Opus 4.8 specifies output context (128,000 tokens).

Anthropic
Claude Opus 4.8
Input1,000,000 tokens
Output128,000 tokens
Cohere
Command A+
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.8 and Command A+ support multimodal inputs.

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

Claude Opus 4.8

Text
Images
Audio
Video

Command A+

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.8 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.

Claude Opus 4.8

Proprietary

Closed source

Command A+

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 4.8 was released on 2026-05-28, while Command A+ was released on 2026-05-20.

Claude Opus 4.8 is 0 month newer than Command A+.

Claude Opus 4.8

May 28, 2026

1 months ago

1w newer
Command A+

May 20, 2026

1 months 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→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Higher CharXiv-R score (89.9% vs 52.7%)
Cohere
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 4.8 and Command A+ side-by-side, then vote on the output you prefer.

Claude Opus 4.8
✓ Preferred
Command A+
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.8
Cohere
Command A+

FAQ

Common questions about Claude Opus 4.8 vs Command A+.

Which is better, Claude Opus 4.8 or Command A+?

Claude Opus 4.8 significantly outperforms across most benchmarks. Claude Opus 4.8 is made by Anthropic 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 Claude Opus 4.8 compare to Command A+ in benchmarks?

Claude Opus 4.8 scores GPQA: 93.6%, DeepSearchQA: 93.1%, CharXiv-R: 89.9%, SWE-Bench Verified: 88.6%, ScreenSpot Pro: 87.9%. 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 Claude Opus 4.8 and Command A+?

Claude Opus 4.8 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 Claude Opus 4.8 and Command A+?

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

Who makes Claude Opus 4.8 and Command A+?

Claude Opus 4.8 is developed by Anthropic and Command A+ is developed by Cohere.

Related comparisons