openai
OpenAI: o4 Mini High API Pricing
OpenAI: o4 Mini High costs $1.10 per 1M input tokens and $4.40 per 1M output tokens (cache reads: $0.275). Context window: 200K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$1.10
Output / 1M tokens
$4.40
Context window
200K
Max output
100K
What would OpenAI: o4 Mini High cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $26.40 |
| Coding agent | 5,000 | 8,000 / 2,000 | $88.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $198.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $52.80 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: o4 Mini High
OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high. OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining...
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Official resources
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