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Welcome to APIYI

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🏢 Company Background

• Operating Entity: APIYI, LLC (United States)
• Official Partners: Google Vertex official, Microsoft Azure, Amazon AWS (legitimate quota sources, use with confidence)
• Service Guarantee:
  • Stable: Provides high concurrency and stable services for mainstream models like OpenAI, Claude, Google Gemini
  • Trusted:
    • Many well-known applications have stably integrated in production environments (see Use Cases section).
    • Cooperation with renowned universities, hospitals and other institutions, serving well-known enterprises.
    • Domestic entities can make corporate payments, issue invoices, and assist with procurement lists for worry-free reimbursement.

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🌟 Featured Models

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📖 Product Basics

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🔧 Core APIs

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⚡ API Capabilities

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🎬 Video Generation API

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🎨 Image Generation API

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🔧 Basic APIs

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🎯 Use Cases

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💬 Conversational AI

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💻 Programming & Development

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🔧 Engineering

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🌐 Translation

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🚀 Why Choose APIYI?

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One Interface, Multiple Models

• One account: Manage all AI services
• One API key: Access all models
• One standard: Compatible with OpenAI API format

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💡 Supported Models

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OpenAI Series

• GPT-5.1 full series (latest iteration, intelligence and speed balanced)
• GPT-5 / GPT-5 Mini / GPT-5 Nano
• o3 / o3 Pro / o4-mini (reasoning models)
• GPT-4.1 / GPT-4o series
• Codex series (programming-focused)
• DALL·E 3 / GPT-Image-1

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Anthropic Series

• Claude Opus 4.5 (🔥 Latest flagship, SWE-bench 80.9%)
• Claude Sonnet 4.5 (World-class coding model)
• Claude Haiku 4.5 (High cost-performance)
• Claude 4 Sonnet / Claude 4 Opus

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Google Series

• Gemini 3 Pro Preview (🔥 LMArena #1 globally)
• Nano Banana Pro (🔥 4K HD image generation)
• Gemini 2.5 Pro (2M context)
• Gemini 2.5 Flash (Fast response)

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xAI Grok Series

• Grok 4 / Grok 4 Fast (200K context)
• Grok Code Fast 1 (Code-focused)
• Grok 3 / Grok 3 All (Web-enabled)

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Chinese Models

• DeepSeek V3.2 / V3.1 / R1 (Hybrid reasoning)
• GLM-4.6 / GLM-4.5 (Zhipu AI)
• Kimi K2 (BytePlus official)
• Qwen series (Alibaba)
• ERNIE 4.0 (Baidu)
• SparkDesk 3.5 (iFlytek)

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Video Generation Models

• Sora 2 (Audio-video sync, no watermark)
• VEO 2 (Google video generation)

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Image Generation Models

• Nano Banana Pro (4K HD)
• Flux / SeeDream (Professional-grade)
• Sora Image (Reverse-engineered)

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🔧 Simple & Easy

# Using GPT-4
response = openai.ChatCompletion.create(
    model="gpt-4",
    messages=[{"role": "user", "content": "Hello!"}]
)

# Switch to Claude 3
response = openai.ChatCompletion.create(
    model="claude-3-opus-20240229",  # Just change the model name
    messages=[{"role": "user", "content": "Hello!"}]
)

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🛡️ Stable & Reliable

• High Availability: Multi-node deployment, intelligent routing
• Auto Failover: Automatic switching when a model is unavailable
• Load Balancing: Intelligent request distribution, avoiding rate limits
• Real-time Monitoring: 24/7 service status monitoring

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💰 Cost Optimization

• Unified Billing: All models use a unified balance
• Transparent Pricing: Clear pricing structure
• Usage Statistics: Detailed usage reports
• Flexible Top-up: Multiple payment methods supported

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🎯 Key Features

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🔥 Latest Models Available Immediately

• Claude Opus 4.5: SWE-bench 80.9%, top coding capability, price reduced to 1/3 of predecessor
• Gemini 3 Pro Preview: LMArena 1501 Elo #1 globally, 1M context
• Nano Banana Pro: 4K HD image generation, best-in-class text rendering
• Sora 2 Video Generation: Audio-video sync, no watermark, $0.15/video

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🚀 Stable, Reliable & Unlimited Concurrency

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💰 Ultimate Value

• Top-up bonus: Up to 80% discount
• Exchange rate advantage: USD pricing is more affordable
• Cache optimization: GPT-5.1 prompt caching saves 90% cost
• Pay-as-you-go: Flexible billing by token or per use

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🚀 Get Started

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🔗 Quick Links