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800+ AI Models, One API Key — Stop Managing 10 Subscriptions

#ai #llm #api #productivity

800+ AI Models, One API Key — No More Paying for 10 Different Subscriptions

Are you tired of juggling API keys for GPT, Claude, Gemini, Qwen, DeepSeek, and every new model that drops every week?

I was too — until I found ai.二次元.世界.

What is it?

A unified API gateway that gives you access to 800+ AI models through a single endpoint:

  • Chat: GPT-5.5, Claude Opus 4.7, Sonnet 4.6, Gemini 3.1 Pro, DeepSeek V4 Pro, Qwen3 Max, GLM-5.1, and hundreds more
  • Vision: GPT-4o image analysis, multimodal models
  • Embeddings: text-embedding-3-small/large, and more
  • Compatible: Works with OpenAI SDK — just change the base URL

Why I Switched

Before: 5 different API dashboards, 5 billing cycles, 5 different SDKs to manage.

After: One API key, one base URL change in my code, and instant access to every major model.

How to Start 

from openai import OpenAI

client = OpenAI(
    api_key="your-key-here",  # Get from ai.二次元.世界
    base_url="https://api.linkapi.org/v1"
)

response = client.chat.completions.create(
    model="claude-sonnet-4-6",  # Or any of 800+ models
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)
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The Model List

Latest verified models (May 2026):

  • Claude: Opus 4.7, Sonnet 4.6, Haiku 3.5
  • GPT: GPT-5.5, GPT-4.1, GPT-4o
  • Gemini: 3.1 Pro Preview, 3.0 Flash
  • Open Source: DeepSeek V4 Pro/Flash, Qwen3 Max, GLM-5.1, Yi-Lightning

Why Free Tier?

Unlike most API aggregators that charge a monthly subscription fee just to access the dashboard — ai.二次元.世界 lets you try before you buy:

  • ✅ Free trial credits on signup
  • ✅ Pay only for what you use — no monthly fee
  • ✅ New models added within hours of release
  • ✅ One-click model switching

Perfect For

  • Developers building AI-powered apps that need to compare model outputs
  • Researchers experimenting with different architectures
  • Hobbyists who want access to premium models without breaking the bank
  • Power users who switch between models based on the task

Give it a try: ai.二次元.世界

P.S. — The API aggregator also supports streaming, vision, function calling, and everything you'd expect from a modern AI provider. Your existing OpenAI SDK code works with a single URL change.

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