Claude 3 Opus vs Llama 3.1 70B
Pricing, context window, and benchmark comparison · Last updated April 2026
Llama 3.1 70B is cheaper than Claude 3 Opus at $0.35/1M/1M vs $15.00/1M/1M input tokens — a 42.9x cost difference. Claude 3 Opus scores higher on quality benchmarks (ELO 1249). Choose Llama 3.1 70B for cost-sensitive workloads; choose Claude 3 Opus for maximum quality.
Which is cheaper: Claude 3 Opus or Llama 3.1 70B?
Llama 3.1 70B is the cheaper option at $0.35/1M per 1M input tokens, compared to $15.00/1M for Claude 3 Opus. That is a 42.9x cost difference on input tokens. Output pricing follows a similar pattern: Claude 3 Opus charges $75.00/1M/1M vs $0.40/1M/1M for Llama 3.1 70B.
Which has better quality: Claude 3 Opus or Llama 3.1 70B?
Based on LMSYS Chatbot Arena rankings, Claude 3 Opus achieves a higher ELO score (1249 vs 1247), suggesting stronger performance on open-ended tasks. Claude 3 Opus excels at best claude model for creative writing. Llama 3.1 70B is known for excellent price-to-quality ratio.
Which should you choose: Claude 3 Opus or Llama 3.1 70B?
- → Best Claude model for creative writing
- → 200K context window
- → Deep, thoughtful long-form analysis
- → Excellent price-to-quality ratio
- → Open source and self-hostable
- → Good at coding and instruction following
Frequently Asked Questions
Which is cheaper: Claude 3 Opus or Llama 3.1 70B?
Llama 3.1 70B is cheaper at $0.35/1M per 1M input tokens, making it 42.9x more affordable.
Which has better quality: Claude 3 Opus or Llama 3.1 70B?
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 Llama 3.1 70B?
Claude 3 Opus has a larger context window at 200K tokens.
Should I choose Claude 3 Opus or Llama 3.1 70B?
Choose Llama 3.1 70B 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 Llama 3.1 70B excels at coding and low-cost.
Is Claude 3 Opus or Llama 3.1 70B open source?
Claude 3 Opus is proprietary. Llama 3.1 70B is open source.