o4 Mini Deep Research
OpenAIReleased Oct 10, 2025
o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.
- Context window
- 200K tokens
- Max output
- 100K tokens
- Input
- file, image, text
- Output
- text
- Tokenizer
- GPT
- Released
- Oct 10, 2025
- Reasoning
- optional
Pricing
Per 1M tokens. The provider price and our flat 3% fee are separate columns — what you pay is their sum.
| Per 1M tokens | Provider | + 3% fee | You pay |
|---|---|---|---|
| Input | $2.00 | $0.060 | $2.06 |
| Output | $8.00 | $0.240 | $8.24 |
| Cache read | $0.500 | $0.015 | $0.515 |
Supported parameters
- frequency_penalty
- include_reasoning
- logit_bias
- logprobs
- max_tokens
- presence_penalty
- reasoning
- response_format
- seed
- stop
- structured_outputs
- temperature
- tool_choice
- tools
- top_logprobs
- top_p
Call it
OpenAI-compatible: point your SDK at api.openkey.ai/v1 and use model openai/o4-mini-deep-research.
curl https://api.openkey.ai/v1/chat/completions \
-H "Authorization: Bearer $OPENKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/o4-mini-deep-research",
"messages": [{"role": "user", "content": "Hello"}]
}'import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.openkey.ai/v1",
api_key=os.environ["OPENKEY_API_KEY"],
)
completion = client.chat.completions.create(
model="openai/o4-mini-deep-research",
messages=[{"role": "user", "content": "Hello"}],
)
print(completion.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.openkey.ai/v1",
apiKey: process.env.OPENKEY_API_KEY,
});
const completion = await client.chat.completions.create({
model: "openai/o4-mini-deep-research",
messages: [{ role: "user", content: "Hello" }],
});
console.log(completion.choices[0].message.content);Questions
- How much does o4 Mini Deep Research cost via API?
- Through OpenKey, o4 Mini Deep Research costs $2.06 per 1M input tokens and $8.24 per 1M output tokens. That is the provider price ($2.00 / $8.00) plus a flat 3% fee — nothing else.
- What is o4 Mini Deep Research's context window?
- o4 Mini Deep Research accepts up to 200K tokens of context and returns up to 100K tokens per request.
- Is o4 Mini Deep Research OpenAI-compatible?
- Yes. Send requests to OpenKey's /v1/chat/completions endpoint with model "openai/o4-mini-deep-research" using any OpenAI SDK — only the base URL and API key change.
- What inputs does o4 Mini Deep Research support?
- o4 Mini Deep Research accepts file, image, text input and produces text output.
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