LLM batch API pricing explained by prompt caching

LLM batch APIs typically offer a 50% discount but can take up to 24 hours to return responses, meaning actual savings depend on the share of traffic that can tolerate the delay. The author explains that batch pricing stacks with prompt caching by applying the discount to the remaining spend after the cache reduction, making output-heavy workloads especially beneficial. Additionally, the author advises prioritizing capability tier selection and caching before considering batch processing. Open article →