Claude / GPT / Gemini

Stable AI API Access for China

One simple API entry for developers and AI-native teams. Get stable Claude / GPT calls without account, payment, or console friction.

Get API Key View Docs

/v1/chat/completions

$ curl api.claude5plus.com/v1

{

"model": "claude-sonnet-4",

"status": "stable",

"latency_ms": 842,

"balance": "$126.40",

"content": "Ready."

}

Supported Models

One entry, familiar models.

No smart routing in V0. No marketplace. Just the models teams ask for first.

Claude Sonnet

1.2x

Stable daily build and content work

Claude Opus

Deep reasoning and high-context tasks

GPT-4.1

Fast app, agent, and workflow calls

Gemini

Soon

Single entry, same developer surface

Why Claude5Plus

Less dashboard. More shipping.

3 minutes to first call

Built for China teams

No foreign card setup, no account warmup, no provider console maze.

Simple balance model

Manual top-up for V0: USDT, WeChat, Alipay, then pay as you go.

Pricing

Start with $10. Pay by usage.

Starter top-up

$10

Minimum balance, pay as you go

GPT-4.1

Base model multiplier

Claude Sonnet

1.2x

Balanced coding and writing

Claude Opus

Premium reasoning

Quick Start

OpenAI-like request shape.

Base URL

https://api.claude5plus.com/v1

curl https://api.claude5plus.com/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Is this an API gateway or proxy?

For users, no. Claude5Plus is positioned as one stable API entry for Claude and GPT calls.

How does billing work in V0?

Manual balance top-up by USDT, WeChat, or Alipay. The admin dashboard adjusts user balance.

Do I need to understand model parameters?

No. V0 keeps the request surface close to familiar chat completions and hides provider complexity.

What is the validation goal?

Whether China-based developers and AI teams will pay for stable Claude access.