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OpenAI GPT-5/5.1 Distillation Pipeline: Stored Completions + FT API Hybrid

OpenAI 'Stored Completions' feature (2024+): after GPT-5/5.1 inference, save completions → free dataset for distill. FT GPT-4o-mini on these completions → small-model-big-knowledge transfer. License matters (only completions you generated with your API key).

Şükrü Yusuf KAYA
22 min read
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OpenAI GPT-5/5.1 Distillation Pipeline: Stored Completions + FT API Karması

1. Distillation Workflow#

1. Production'da GPT-5 ile inference yap
   client.chat.completions.create(model="gpt-5", messages=[...], store=True)
2. OpenAI dashboard'tan stored completions'ı download (JSONL)
3. Bu completions'ı FT dataset olarak GPT-4o-mini'ye FT et
4. Inference'i GPT-4o-mini-ft'a yönlendir → maliyet %95 düşer, kalite GPT-5'in %80-90'ı
Cost saving: GPT-5 input 10/M,output10/M, output 30/M. GPT-4o-mini-ft input 0.30,output0.30, output 1.20. 30-50x cheaper for ~%85 kalite.
✅ Teslim
  1. Production traffic'inde 1000 GPT-5 completion sakla. 2) GPT-4o-mini'ye FT et. 3) A/B test (GPT-5 vs FT'lı mini). 4) Sonraki ders: 14.4 — Anthropic Claude (Bedrock).

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