openai
OpenAI: o4 Mini (batch) API Pricing
OpenAI: o4 Mini (batch) costs $0.550 per 1M input tokens and $2.20 per 1M output tokens (cache reads: $0.138). Context window: 200K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$0.550
Output / 1M tokens
$2.20
Context window
200K
Max output
100K
What would OpenAI: o4 Mini (batch) cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $13.20 |
| Coding agent | 5,000 | 8,000 / 2,000 | $44.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $99.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $26.40 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: o4 Mini (batch)
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning...
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