How much does Claude Opus 5 cost?

Claude Opus 5 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens on BazaarLink. No markup over provider pricing.

What is Claude Opus 5's context window?

Claude Opus 5 supports a 1M token (1,000,000) context window.

Does Claude Opus 5 support tool calling / function calling?

Yes, Claude Opus 5 supports tool calling (function calling) via the standard OpenAI tools parameter. BazaarLink passes tool definitions through transparently.

Can I send images to Claude Opus 5?

Yes, Claude Opus 5 accepts image inputs alongside text. Use the standard OpenAI multimodal message format with image_url content parts.

Is Claude Opus 5 free on BazaarLink?

Claude Opus 5 is a paid model. BazaarLink offers a free tier on other models — see /free for the current free-tier model list.

Who provides Claude Opus 5?

Claude Opus 5 is provided by Anthropic. BazaarLink routes requests to Anthropic's production inference infrastructure without modification to the request or response format.

How does Claude Opus 5 compare to other models?

See /models for a side-by-side table of all major models BazaarLink supports, filterable by price, context length, and capabilities.

Can I use Claude Opus 5 with LangChain or Vercel AI SDK?

Yes. Both LangChain (via ChatOpenAI with base_url) and Vercel AI SDK (via @ai-sdk/openai with baseURL) work out of the box — just use "anthropic/claude-opus-5" as the model identifier.

Claude Opus 5

Name: Claude Opus 5 API
Brand: Anthropic

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

Pricing

Input Price

$5.0000

/ 1M tokens

NT$ 162

Output Price

$25.0000

/ 1M tokens

NT$ 809

Context Window

tokens

💱 匯率 USD/NTD = 32.35 · 不含稅 · 更新於 2026/07/25

Provider	Anthropic
Released	2026年7月
Model ID	`anthropic/claude-opus-5`

Technical specifications

Context window

1M tokens

Reasoning

Yes

Input

TextImageFile

Output

Text

Quick Start

Use Claude Opus 5 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="anthropic/claude-opus-5",
    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: "anthropic/claude-opus-5",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use Claude Opus 5 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 Claude Opus 5?

How much does the Claude Opus 5 API cost?

Claude Opus 5 costs $5.0000 per 1K input tokens and $25.0000 per 1K output tokens when accessed through BazaarLink.

How do I use Claude Opus 5 with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "anthropic/claude-opus-5". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for Claude Opus 5?

Claude Opus 5 supports a context window of 1,000,000 tokens.

Is Claude Opus 5 available for free?

Claude Opus 5 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 →