o4 Mini Deep Research API Cost Calculator
Estimate your monthly API costs for o4 Mini Deep Research from Openai.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| GPT-4.1 Openai | $2.00 | $8.00 |
| o3 Openai | $2.00 | $8.00 |
| GPT-5 Openai | $1.25 | $10.00 |
| GPT-5 Chat Openai | $1.25 | $10.00 |
| GPT-5 Codex Openai | $1.25 | $10.00 |
Frequently Asked Questions
How much does o4 Mini Deep Research cost per token?
o4 Mini Deep Research is priced at $2.00 per 1M input tokens and $8.00 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for o4 Mini Deep Research?
o4 Mini Deep Research has a context window of 200K tokens (200,000 tokens). The maximum output length is 100K tokens.
Does o4 Mini Deep Research support image inputs (vision)?
Yes, o4 Mini Deep Research supports vision/image inputs. You can send images as part of your prompts.
Does o4 Mini Deep Research support function calling (tool use)?
Yes, o4 Mini Deep Research supports function calling (also called tool use). You can define custom functions that the model can invoke as part of its responses.
How does o4 Mini Deep Research compare to similar models?
o4 Mini Deep Research costs $2.00 input and $8.00 output per 1M tokens. o4 Mini Deep Research is competitively priced compared to o3 ($2.00 input / $8.00 output per 1M tokens). See the "Compare with Similar Models" table above, or visit the o3 page at /tools/cost-calculator/openai/o3.