o3 Pro API Pricing & Quick Start
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Technical specifications
Pricing comparison
BazaarLink retail price alongside AA's observed market standard.
BazaarLink price our site
Market reference Artificial Analysis
Independent benchmarks
Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.
Top 5 — CodingCoding Index leaderboard
openai/gpt-5-6-sol-xhigh78$5 / $30openai/gpt-5-6-sol-high77$5 / $30anthropic/claude-opus-5-xhigh77$5 / $25Quick Start
Use o3 Pro via BazaarLink API — just change the base_url:
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-pro",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)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-pro",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);Why use o3 Pro 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
Frequently Asked Questions
What is o3 Pro?
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
How much does the o3 Pro API cost?
o3 Pro costs $20.0000 per 1M input tokens and $80.0000 per 1M output tokens when accessed through BazaarLink.
How do I use o3 Pro with the OpenAI SDK?
Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/o3-pro". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.
What is the context window for o3 Pro?
o3 Pro supports a context window of 200,000 tokens.
Is o3 Pro available for free?
o3 Pro 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 →Related models and links
More from this provider: OpenAI