Claude Sonnet 4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
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 Claude Sonnet 4 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="anthropic/claude-sonnet-4",
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: "anthropic/claude-sonnet-4",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);Why use Claude Sonnet 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
Frequently Asked Questions
What is Claude Sonnet 4?
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
How much does the Claude Sonnet 4 API cost?
Claude Sonnet 4 costs $3.0000 per 1K input tokens and $15.0000 per 1K output tokens when accessed through BazaarLink.
How do I use Claude Sonnet 4 with the OpenAI SDK?
Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "anthropic/claude-sonnet-4". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.
What is the context window for Claude Sonnet 4?
Claude Sonnet 4 supports a context window of 1,000,000 tokens.
Is Claude Sonnet 4 available for free?
Claude Sonnet 4 is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.
中轉站誠信檢測 · BazaarLink 獨家
- 已測試 endpoint
- 4 次
- 獨立 hosts
- 2
- 家族指紋一致率
- 100%
- 偵測到異常
- 4 次
- 資料範圍
- 過去 90 天
BazaarLink Probe 對聲稱提供此模型的 endpoint 進行家族指紋驗證與 V3 子模型對照。 如發現行為與真貨基準不符，會列入異常案例。
查看完整檢測報告 →Related Models & Links
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