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Claude Opus 4.8 vs Llama 3.1 405B

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Anthropic · 1M context  |  Meta · 128k context

Pricing Comparison

MetricClaude Opus 4.8Llama 3.1 405B
Input / 1M tokens$5$3.5
Output / 1M tokens$25$3.5
Cached input / 1M$0.5—
Context window1M128k
ProviderAnthropicMeta

Cost Calculator

💰 Llama 3.1 405B saves $3,675.00/month (70% cheaper)
AClaude Opus 4.8
Per request$0.0175
Daily$175.00
Monthly$5,250.00
Yearly$63,875.00
LLlama 3.1 405BCHEAPER
Per request$0.005250
Daily$52.50
Monthly$1,575.00
Yearly$19,162.50
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Choose Claude Opus 4.8 when…

  • ✓ Larger context window (1M vs 128k) — better for long documents
  • ✓ Supports prompt caching — save up to 90% on repeated prompts
  • ✓ Optimized for: Complex reasoning & coding
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Choose Llama 3.1 405B when…

  • ✓ Cheaper for RAG & document retrieval (lower input cost)
  • ✓ 30% cheaper per input token
  • ✓ Cheaper for generation-heavy workloads (lower output cost)
  • ✓ Optimized for: Max open-source performance

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