o3 Deep Research API Pricing & Quick Start

Name: o3 Deep Research API
Brand: OpenAI

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

Pricing

Input Price

$10.0000

/ 1M tokens

NT$ 324

Output Price

$40.0000

/ 1M tokens

NT$ 1295

Context Window

200K

tokens

💱 USD/NTD = 32.38 · before tax · updated 07/30/2026

Provider	OpenAI
Released	October 2025
Model ID	`openai/o3-deep-research`

Technical specifications

Context window

200K tokens

Reasoning

Yes

Input

ImageTextFile

Output

Text

Quick Start

Use o3 Deep Research via BazaarLink API — just change the base_url:

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="openai/o3-deep-research",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

TypeScript

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "openai/o3-deep-research",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use o3 Deep Research via BazaarLink?

✓USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
✓OpenAI-compatible API — zero code changes required
✓Automatic failover — multi-provider redundancy for the same model
✓Chinese-language support — local team, instant help

Try Now ← All Models

Frequently Asked Questions

What is o3 Deep Research?

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

How much does the o3 Deep Research API cost?

o3 Deep Research costs $10.0000 per 1M input tokens and $40.0000 per 1M output tokens when accessed through BazaarLink.

How do I use o3 Deep Research with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/o3-deep-research". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for o3 Deep Research?

o3 Deep Research supports a context window of 200,000 tokens.

Is o3 Deep Research available for free?

o3 Deep Research is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →