Unified AI Gateway

One API, every AI model.

Access GPT, Claude, Gemini, and 20+ models through a single endpoint. Intelligent routing, unified billing, zero vendor lock-in.

Get started View API reference

quickstart.py

from nexus import Client

client = Client(api_key="your-key")
response = client.chat(
model="auto", # intelligently routes
messages=[{"role": "user", "content": "Hello!"}]
)

Getting Started API Reference Models Pricing

Model Routing

Automatically select the best model for each request based on task complexity, latency requirements, and cost constraints.

Cost Optimization

Reduce AI spend by up to 60% with intelligent model selection and automatic fallback to cost-effective alternatives.

Usage Analytics

Real-time dashboards tracking token usage, response latency, model performance, and cost breakdowns per project.