Future-Proof
AI Routing Gateway
Beyond traditional proxies. Built on enterprise cloud-native architecture, providing traceable, zero-latency, and permanently compliant model access.
# 1. Install the official SDK
pip install openai
# 2. Switch to CSRouter in one line
from openai import OpenAI
client = OpenAI(
base_url="https://csrouter.com/v1",
api_key="sk-csrouter-***"
)
response = client.chat.completions.create(
model="claude-opus-4-7",
messages=[{"role": "user", "content": "Hello"}]
)Premium AI Models, All in One Place 40+
Enterprise Compliant Gateway
Direct Procurement from Cloud Providers & AI Platforms
Powered by leading cloud providers and AI platforms, delivering compliant, stable, and certified-traceable AI computing distribution services.
Google Cloud
Azure
Amazon Bedrock
Vertex AI
Azure AI
Alibaba Cloud
Volcengine
MoonshotChoose the Right Plan for You
Pay as you go with transparent pricing. From individual exploration to enterprise-grade batch calls, flexibly adapting to every workflow.
Study
Get started and explore core AI capabilities. Perfect for personal learning, trying different models, and light daily use.
Standard
Ideal for power users and small teams. Supports all-day high-frequency use, complex workflows, and multi-Agent collaboration.
Pro
Enterprise-grade bulk usage. Shared team quota pool, non-stop high-frequency automation, and scalable AI workflows.
Max
Organization-level AI infrastructure. Ensures large-scale workflows and mission-critical tasks run reliably across all scenarios.
Frequently Asked Questions
We have compiled common questions about service, billing, and integration. For more questions, feel free to contact our business team.
No. We are not a traditional proxy service; we are an enterprise-grade AI API gateway. Our upstream providers are official top-tier cloud vendors such as AWS, GCP, and Azure. For open-source models, our sources are also directly from model providers or globally recognized inference services, ensuring the pipeline is legal, transparent, and auditable.
csrouter is built on enterprise cloud-native architecture with official partnerships with AWS, GCP, and Azure. This ensures compliant, stable, and certified-traceable AI computing distribution — unlike traditional proxies that may operate in legal gray areas.
We partner directly with AWS, Google Cloud, Azure, Amazon Bedrock, Google Vertex AI, Azure AI Studio, Alibaba Cloud, Volcengine, and Moonshot AI, among others.
Why Choose Us
Enterprise-grade reliability, standardized integration, and full model coverage — the next-generation AI gateway built for developers and teams.
Ultra-Fast Response
Multi-node global deployment with smart routing, P99 latency under 200ms
Reliable & Stable
Automatic failover and load balancing with 99.9% availability SLA
Standard API
Fully compatible with OpenAI API format, switch with one line of code, zero migration cost
Full Model Coverage
Covering GPT, Claude, Gemini, DeepSeek and more top-tier models
Get Started
Simply replace the API base URL to access all major AI models