Claude 3 Opus vs 
Llama 3.1 405B
Llama 3.1 405B is cheaper than Claude 3 Opus at $2.7/M vs $15/M input tokens.
Framer-Style Animation
Sections that transition like Framer. Timing is the whole grade.
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Which answer wins?
Price and specs
| Spec | Claude 3 Opus | Llama 3.1 405B |
|---|---|---|
| Input price | $15/M tokens | $2.7/M tokens |
| Output price | $75/M tokens | $3.1/M tokens |
| Context window | 200K tokens | 128K tokens |
| Parameters | Not disclosed | 405B |
| Weights | — | Open |
| Free API (OpenRouter) | No | No |
| Released | Mar 2024 | Jul 2024 |
| MMLU | 86.8% | 88.6% |
| At 10M a month | $150 | $27.00 |
Input tokens at list price. No caching, no batch discount.
Common questions
What is the difference between Claude 3 Opus and Llama 3.1 405B?
Claude 3 Opus is developed by Anthropic while Llama 3.1 405B is developed by Meta AI. Claude 3 Opus has a 200K token context window vs Llama 3.1 405B's 128K. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.
Which is better, Claude 3 Opus or Llama 3.1 405B?
It depends on your use case. Claude 3 Opus and Llama 3.1 405B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.
How much does Claude 3 Opus cost compared to Llama 3.1 405B?
Claude 3 Opus costs $15/M input tokens and Llama 3.1 405B costs $2.7/M input tokens. Llama 3.1 405B is $12.30/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare Claude 3 Opus and Llama 3.1 405B on Rival?
This page shows a side-by-side comparison of Claude 3 Opus and Llama 3.1 405B across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
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