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Claude 3 Opus vs Command R+

Pricing, context window, and benchmark comparison · Last updated April 2026

Quick Verdict

Command R+ is cheaper than Claude 3 Opus at $2.50/1M/1M vs $15.00/1M/1M input tokens — a 6.0x cost difference. Claude 3 Opus scores higher on quality benchmarks (ELO 1249). Choose Command R+ for cost-sensitive workloads; choose Claude 3 Opus for maximum quality.

Detailed Comparison

MetricClaude 3 OpusCommand R+
Input Price / 1M tokens$15.00/1M$2.50/1MCheaper
Output Price / 1M tokens$75.00/1M$10.00/1MCheaper
Context Window200KLarger128K
ELO Score (LMSYS)1249Smarter1230
Open Source
Free Tier
Release Date2024-032024-04

Which is cheaper: Claude 3 Opus or Command R+?

Command R+ is the cheaper option at $2.50/1M per 1M input tokens, compared to $15.00/1M for Claude 3 Opus. That is a 6.0x cost difference on input tokens. Output pricing follows a similar pattern: Claude 3 Opus charges $75.00/1M/1M vs $10.00/1M/1M for Command R+.

Which has better quality: Claude 3 Opus or Command R+?

Based on LMSYS Chatbot Arena rankings, Claude 3 Opus achieves a higher ELO score (1249 vs 1230), suggesting stronger performance on open-ended tasks. Claude 3 Opus excels at best claude model for creative writing. Command R+ is known for best-in-class retrieval-augmented generation (rag).

Which should you choose: Claude 3 Opus or Command R+?

Choose Claude 3 Opus if:
  • Best Claude model for creative writing
  • 200K context window
  • Deep, thoughtful long-form analysis
Choose Command R+ if:
  • Best-in-class retrieval-augmented generation (RAG)
  • Native document grounding with citations
  • Strong for enterprise knowledge bases

Frequently Asked Questions

Which is cheaper: Claude 3 Opus or Command R+?

Command R+ is cheaper at $2.50/1M per 1M input tokens, making it 6.0x more affordable.

Which has better quality: Claude 3 Opus or Command R+?

Claude 3 Opus scores higher on the LMSYS Chatbot Arena with an ELO of 1249, suggesting better overall quality for most tasks.

Which has a larger context window: Claude 3 Opus or Command R+?

Claude 3 Opus has a larger context window at 200K tokens.

Should I choose Claude 3 Opus or Command R+?

Choose Command R+ if cost is the priority. Choose Claude 3 Opus if benchmark quality is most important. Consider your specific use case: Claude 3 Opus is best for creative-writing and research, while Command R+ excels at research and document-analysis.

Is Claude 3 Opus or Command R+ open source?

Claude 3 Opus is proprietary. Command R+ is proprietary.

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