Claude 3 Opus vs Llama 3.1 70B (Instruct)
Compare Claude 3 Opus by Anthropic against Llama 3.1 70B (Instruct) by Meta AI, context windows of 200K vs 128K, tested across 11 shared challenges. Updated May 2026.
Which is better, Claude 3 Opus or Llama 3.1 70B (Instruct)?
Claude 3 Opus and Llama 3.1 70B (Instruct) are both competitive models. Claude 3 Opus costs $15/M input tokens vs $0.59/M for Llama 3.1 70B (Instruct). Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Opus and Llama 3.1 70B (Instruct)
Claude 3 Opus is made by anthropic while Llama 3.1 70B (Instruct) is from meta. Claude 3 Opus has a 200K token context window compared to Llama 3.1 70B (Instruct)'s 128K. On pricing, Claude 3 Opus costs $15/M input tokens vs $0.59/M for Llama 3.1 70B (Instruct).
Per 1M tokens
Llama 3.1 70B (Instruct) is cheaper on both — 25× input, 95× output
No community votes yet. On paper, Claude 3 Opus has the edge — bigger model tier, bigger context window.
Llama 3.1 70B (Instruct) is 95x cheaper per token — worth considering if cost matters.
Style Comparison
Llama 3.1 70B (Instruct) uses 342.8x more bold
