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OpenAI: GPT-5 Mini (batch) API Pricing

OpenAI: GPT-5 Mini (batch) costs $0.125 per 1M input tokens and $1.00 per 1M output tokens (cache reads: $0.013). Context window: 400K. Prices verified 2026-08-23 Β· source

Input / 1M tokens
$0.125
Output / 1M tokens
$1.00
Context window
400K
Max output
128K

What would OpenAI: GPT-5 Mini (batch) cost you per month?

WorkloadRequests/moAvg tokens (in/out)Est. monthly cost
Light chatbot10,000800 / 400$5.00
Coding agent5,0008,000 / 2,000$15.00
RAG pipeline30,0004,000 / 500$30.00
Doc summarizer2,00020,000 / 1,000$7.00

Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.

About OpenAI: GPT-5 Mini (batch)

GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....

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Official resources