OpenAI Batch API Cost Strategy for Offline Workloads (ANSWERED)
TL;DR — Quick Answer
Batch API offers ~50% discount with 24h SLA — queue non-urgent jobs, idempotent job IDs, monitor completion webhooks, combine with chunking for large corpora; keep realtime path on standard API.
The Interview Question
Design a cost strategy using OpenAI Batch API for embeddings, evals, and bulk summarization.
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