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Anthropic Claude FT: AWS Bedrock Custom + Prompt-Caching Alternative

Anthropic doesn't provide direct FT API (not in Anthropic Console). Two workarounds: (1) **AWS Bedrock Custom** for Claude FT, (2) **Prompt caching** + few-shot prompting (no FT). Cookbook decision: for most use-cases prompt-caching + system prompt refinement suffices; for real FT use Bedrock route.

Şükrü Yusuf KAYA
24 min read
Intermediate
Anthropic Claude FT: AWS Bedrock Custom + Prompt-Caching Alternatifi

1. Claude Customization Seçenekleri#

YöntemImplementationMaliyetKalite
Prompt cachingSystem prompt cache (5 min TTL)1.875/Mcachewrite,1.875/M cache write, 0.30/M cache readiyi
Few-shot promptingExamples in promptnormal token costorta-iyi
AWS Bedrock CustomBedrock console + dataset upload~$5-50K (provisioned throughput)en yüksek
System prompt rafinemanIterative testingnormaliyi
Cookbook'un kuralı:
  • Bütçe < $5K → prompt-caching + few-shot
  • Bütçe $5K+ + scale → Bedrock Custom
✅ Teslim
  1. Prompt-caching ile system prompt rafineman dene. 2) Bedrock Custom pricing'i kontrol et. 3) Sonraki ders: 14.5 — Google Gemini Tuning (Vertex AI).

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Connected pillar topics

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Pillar Topic

Prompt and Context Engineering

Prompt engineering is the applied discipline of designing instructions, examples, context and output controls so that an LLM produces consistent, accurate and cost-efficient outputs.