OpenAI model
o4 Mini API cost calculator
o4 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens on the OpenAI API, with a 200K-token context window. A typical request (2K input, 500 output tokens) costs $0.0044 — about $132/month at 1,000 requests per day. Use the calculator below to model your exact workload.
Find me a cheaper modelWhat real workloads cost on o4 Mini
| Workload | Tokens (in / out) | Per request | Per 1K requests |
|---|---|---|---|
| Chatbot message | 500 / 300 | $0.0019 | $1.87 |
| RAG query with context | 4,000 / 500 | $0.0066 | $6.60 |
| Document summarization | 20,000 / 1,000 | $0.03 | $26.40 |
| Agent coding session | 100,000 / 5,000 | $0.13 | $132 |
o4 Mini vs other OpenAI models
| Model | Input /1M | Output /1M | Context |
|---|---|---|---|
| o4 Mini | $1.10 | $4.40 | 200K |
| GPT-5.6 Luna Pro | $0.20 | $1.20 | 1.1M |
| GPT-5.6 Luna | $0.20 | $1.20 | 1.1M |
| GPT-5.6 Terra Pro | $2 | $12 | 1.1M |
| GPT-5.6 Terra | $2 | $12 | 1.1M |
Frequently asked questions
How much does o4 Mini cost per 1M tokens?
According to current pricing data, o4 Mini costs $1.10 per 1M input tokens and $4.40 per 1M output tokens. Processing 1M tokens each way costs $5.50.
What does a typical API request to o4 Mini cost?
A typical request with 2,000 input tokens and 500 output tokens costs $0.0044. At 1,000 requests per day that is $4.40 daily, or about $132 per month.
What is o4 Mini's context window?
o4 Mini supports a 200K-token context window (200,000 tokens).
Does o4 Mini support prompt caching?
Yes. Cached input tokens cost $0.28 per 1M — a 75% discount versus the standard input rate, which matters for agents and chat apps that resend the same system prompt.
What is a cheaper alternative to o4 Mini?
Ling-2.6-flash from Inclusionai is currently the cheapest comparable option at $0.01 per 1M input tokens versus $1.10 for o4 Mini — roughly 110x cheaper on input.
Prices may differ from OpenAI's official pricing page for batch, tiered, or fine-tuned usage. Compare all current prices on the live model pricing dashboard, see o4 Mini vs Ling-2.6-flash pricing, or run o4 Mini head-to-head against other models in the side-by-side comparison playground.
Pricing data via the OpenRouter models API.