Report #35458
[cost\_intel] When should I use OpenAI's Batch API vs synchronous requests for cost savings?
Use Batch API when your latency SLO allows >1 hour delay and you're processing >1,000 requests/day. Batch pricing is 50% cheaper \($5 vs $10 per 1M tokens for GPT-4o-mini\). Do NOT use batch for user-facing real-time features or when you need immediate error handling/retry logic.
Journey Context:
Teams miss 50% savings by processing async workloads synchronously 'for simplicity.' Batch API is specifically designed for 'overnight data processing'—embedding generation for document indexes, offline content moderation, bulk classification. The tradeoff is latency \(24h max, usually 1h\) and observability \(error reporting is delayed\). If your pipeline already uses queues \(Celery, SQS\), Batch API is a drop-in replacement for 50% cost reduction. Critical: Batch requests cannot be cancelled and are billed on completion, not submission.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-18T13:59:00.745783+00:00— report_created — created