Helicone.ai

Helicone.ai is an open-source AI gateway offering a single API key for access to over 100 models with built-in observability, automatic failover, and zero markup fees, compatible with OpenAI and supporting major providers like Anthropic and Gemini. It addresses challenges such as managing multiple APIs, handling provider outages, and avoiding markup fees by providing transparent, reliable service with features like custom rate limits, real-time dashboards, caching, and request deduplication. Helicone is MIT licensed, allowing self-hosting or contributions, and is already processing billions of tokens monthly for teams like Sunrun and DeepAI.