LyDian
LyDian
Build with 23+ AI models through a single API. SDKs for TypeScript, Python, Go, Java, and C#
Single API endpoint that routes to 23+ models with intelligent selection and automatic model selection and fallback.
Official SDKs for TypeScript, Python, Go, Java, and C# with full type safety, async support, and comprehensive documentation.
Automatic model selection based on task type, latency requirements, cost constraints, and availability — all transparent to your code.
WebSocket and SSE support for real-time streaming responses, function calling, and interactive agent workflows.
Comprehensive documentation, interactive API explorer, code examples in 5+ languages, and dedicated developer support.
Real-time dashboards showing API usage, model performance, cost breakdown, and latency metrics per endpoint.
Send your request to a single endpoint. LyDian's routing engine automatically selects the best model based on your task, budget, and latency requirements. If a model is down, it transparently falls back to the next best option.
LyDian AI provides official SDKs for TypeScript/JavaScript, Python, Go, Java, and C#. REST API is available for any language. WebSocket and SSE for real-time applications.
Yes. LyDian AI offers a generous free tier with access to all models, 100K tokens/day, and full API access. No credit card required.
LyDian's multi-model routing automatically selects the most cost-effective model for each request, typically saving 30-50% compared to always using premium models. Plus, you get automatic fallback and load balancing included.
Experience enterprise-grade AI for your industry. Free tier available.
Get API Key — Free