GPT 5 Codex
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
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 / $30Quick Start
Use GPT 5 Codex 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/gpt-5-codex",
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/gpt-5-codex",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);Why use GPT 5 Codex 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 GPT 5 Codex?
GPT-5-Codex is a specialized version of GPT-5 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
How much does the GPT 5 Codex API cost?
GPT 5 Codex costs $1.2500 per 1K input tokens and $10.0000 per 1K output tokens when accessed through BazaarLink.
How do I use GPT 5 Codex with the OpenAI SDK?
Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-5-codex". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.
What is the context window for GPT 5 Codex?
GPT 5 Codex supports a context window of 400,000 tokens.
Is GPT 5 Codex available for free?
GPT 5 Codex is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.
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