o4 Mini Deep Research API Pricing

o4 Mini Deep Research pricing by provider

1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.

What o4 Mini Deep Research costs in practice

1,000 requests with 2,000 input and 500 output tokens each

100 long-document requests with 100,000 input and 2,000 output tokens each

o4 Mini Deep Research features

Input: text, image. Output: text.

• Function calling
• Parallel tool calls
• Structured output
• Image input
• PDF input
• Reasoning
• Prompt caching

Use o4 Mini Deep Research with LiteLLM

Call o4 Mini Deep Research through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/responses. LiteLLM tracks the cost of every request at these prices.

from litellm import completion

response = completion(
    model="o4-mini-deep-research",
    messages=[{"role": "user", "content": "Hello!"}],
)

model_list:
  - model_name: o4-mini-deep-research
    litellm_params:
      model: o4-mini-deep-research
      api_key: os.environ/OPENAI_API_KEY

curl http://0.0.0.0:4000/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer sk-1234" \
  -d '{
    "model": "o4-mini-deep-research",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

o4 Mini Deep Research FAQ

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