A

Claude 3.5 Sonnet vs Llama 3.1 405B

L

Anthropic · 200k context  |  Meta · 128k context

Pricing Comparison

MetricClaude 3.5 SonnetLlama 3.1 405B
Input / 1M tokens$3$3.5
Output / 1M tokens$15$3.5
Cached input / 1M$0.3—
Context window200k128k
ProviderAnthropicMeta

Cost Calculator

💰 Llama 3.1 405B saves $1,575.00/month (50% cheaper)
AClaude 3.5 Sonnet
Per request$0.0105
Daily$105.00
Monthly$3,150.00
Yearly$38,325.00
LLlama 3.1 405BCHEAPER
Per request$0.005250
Daily$52.50
Monthly$1,575.00
Yearly$19,162.50
A

Choose Claude 3.5 Sonnet when…

  • ✓ Cheaper for RAG & document retrieval (lower input cost)
  • ✓ 14% cheaper per input token
  • ✓ Larger context window (200k vs 128k) — better for long documents
  • ✓ Supports prompt caching — save up to 90% on repeated prompts
  • ✓ Optimized for: Production workloads
L

Choose Llama 3.1 405B when…

  • ✓ Cheaper for generation-heavy workloads (lower output cost)
  • ✓ Optimized for: Max open-source performance

Related Comparisons

Claude 3.5 Sonnet vs Claude Fable 5Claude 3.5 Sonnet vs Claude Opus 4.8Claude 3.5 Sonnet vs Claude Opus 4.7Claude 3.5 Sonnet vs Claude Sonnet 4.6Llama 3.1 405B vs Claude Fable 5Llama 3.1 405B vs Claude Opus 4.8