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Helicone.ai
The open-source AI gateway for AI-native startups
# Developer Tools
Featured on : Nov 6. 2025
Featured on : Nov 6. 2025
What is Helicone.ai?
The open-source AI gateway with built-in observability, automatic failover, and a one-line integration. Add credits, and get instant access to 100+ models through one API key. OpenAI compatible, zero markup, and trusted by teams like DeepAI, PodPitch, and Sunrun.
Problem
Users managing multiple AI models face complex integrations and lack observability, leading to operational inefficiencies and downtime risks.
Solution
An open-source AI gateway tool enabling users to access 100+ AI models via a single API key with built-in observability, automatic failover, and zero markup (e.g., monitor usage, switch models seamlessly).
Customers
AI developers and engineering teams at AI-native startups building applications requiring multi-model integrations, scalability, and cost transparency.
Unique Features
Open-source, OpenAI-compatible API, unified billing, real-time monitoring, and failover without code changes.
User Comments
Simplifies multi-model management
Reduces integration complexity
Transparent cost tracking
Reliable failover handling
Valuable open-source flexibility
Traction
Trusted by DeepAI, PodPitch, and Sunrun; 1,000+ GitHub stars; $400k+ estimated ARR; 10k+ active users
Market Size
The global AI infrastructure market is projected to reach $309.9 billion by 2030, driven by demand for scalable AI deployment tools.