Batch API Discount Calculator
Is 50% off worth 24h delay?
📚 Learn more — how it works, FAQ & guide Click to expand
Learn more — how it works, FAQ & guide
Click to expand
Batch API discount calculator
Calculate savings from OpenAI/Anthropic Batch APIs (50% off, 24h delay).
How to use this tool
- 1
Enter monthly spend
Current LLM API cost at regular rates.
- 2
Pick batch-able percentage
How much of your workload can wait 24h.
- 3
See savings
Monthly + annual + time-to-payback for any engineering effort.
Frequently Asked Questions
How do batch APIs work?
OpenAI Batch: submit a JSONL file of requests, results ready within 24h. Anthropic Batch: same model, 24h SLA. Both: 50% discount on input + output. No pricing overage at scale.
What tasks are batch-friendly?
Embedding generation, back-office summarization, offline translation, bulk classification, overnight reports, synthetic data generation, evaluation runs. Anything where users don't need immediate response.
What's NOT batch-friendly?
Real-time user-facing chat, live coding assistants, voice transcription during calls, anything under 10 min SLA. These stay on the real-time API.
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100% Privacy. This tool runs entirely in your browser. Your data is never uploaded to any server.