Last refreshed 2026-05-14. Next refresh: weekly.
Why use o3 Deep Research on OpenAI API?
OpenAI API offers o3 Deep Research with pay-as-you-go pricing at $10.00/1M input tokens. OpenAI is a leading AI research and deployment company dedicated to developing safe and beneficial artificial general intelligence (AGI) for humanity.
Compare o3 Deep Research across 2 providers to find the best fit for your use caseInput / 1M
$10.00
Output / 1M
$40.00
Cache
read $2.50
Batch
Not sourced
Setup recipe
Python + curlInstall
pip install openaiAuth
export OPENAI_API_KEY=...Call
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(Model ID
o3-deep-researchRequest example
import os
from openai import OpenAI
client = OpenAI() # reads OPENAI_API_KEY from env
response = client.chat.completions.create(
model="o3-deep-research",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use the model slug directly, e.g. "gpt-4o" or "gpt-4.1-mini".
- The examples expect OPENAI_API_KEY; rename it only if your application config maps the new variable.
Compare o3 Deep Research Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Vercel AI Gateway | $10.00 | $40.00 |
| OpenAI API | $10.00 | $40.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $10.00 |
| Output tokens | $40.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured Outputs
About o3 Deep Research
o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex multi-step research tasks by synthesizing information from multiple sources at 200K context.
Get Started
Model Specs
Released2025-10-10
Context200k
ArchitectureDecoder Only
Knowledge cutoff2024-06