GPT 4 API Pricing & Quick Start

Name: GPT 4 API
Brand: OpenAI

OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...

Intelligence#437 / 573

Artificial Analysis Intelligence Index

Speed#166 / 586

0.0

Output tokens per second (median)

Input Price#584 / 586

$30.00NT$ 972

USD / 1M tokens

Output Price#576 / 586

$60.00NT$ 1943

USD / 1M tokens

First-token latency#1 / 586

0.00s

Time to first token (AA median)

Provider	OpenAI
Released	May 2023
Model ID	`openai/gpt-4`

Technical specifications

Context window

8K tokens

Reasoning

Input

Text

Output

Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$30.00NT$ 972

Output$60.00NT$ 1943

Cache read—

Cache write—

3:1 blended (est.)$37.50NT$ 1214

All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$30.00

Output$60.00

Cache readAA not tracked

Cache writeAA not tracked

3:1 blended$37.50

✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 7

Coding 13

Math

MMLU

GPQA

This modelCategory leader

Coding ability

#166out of 198 models

LiveCodeBench / SciCode and similar

Overall intelligence

#437out of 573 models

Aggregated across academic benchmarks

Time to first token

🥇

#1out of 586 models

AA 全球 p50：0.00 秒

Intelligence

Mid-tier

This model

Category leader

Median

Coding

Mid-tier

This model

Category leader

Median

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30

2Claude Opus 5 (Adaptive Reasoning, Max Effort)anthropic/claude-opus-578$5 / $25

3GPT-5.6 Sol (max)openai/gpt-5-6-sol77$5 / $30

4GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30

5Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)anthropic/claude-opus-5-xhigh77$5 / $25

AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use GPT 4 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/gpt-4",
    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/gpt-4",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use GPT 4 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 GPT 4?

How much does the GPT 4 API cost?

GPT 4 costs $30.0000 per 1M input tokens and $60.0000 per 1M output tokens when accessed through BazaarLink.

How do I use GPT 4 with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "openai/gpt-4". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for GPT 4?

GPT 4 supports a context window of 8,191 tokens.

Is GPT 4 available for free?

GPT 4 is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

Tested endpoints: 9 runs
Independent hosts: 8
Model-family fingerprint match: 78%
Anomalies detected: 5 runs
Data range: past 90 days

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

View the full integrity report →