The open-source AI gateway for AI-native startups
Helicone is the open-source gateway for routing, debugging, and analyzing AI applications. 1-line integration to access 100+ models, full observability, cost tracking, and prompt analytics — all in one place. The world’s fastest-growing AI companies build on Helicone.
Pro and Team tiers offer unlimited seats, multiple organizations, HQL query language, alerts, reports, and webhooks. Team tier adds SOC-2 and HIPAA compliance, dedicated Slack support, and 5 organizations for enterprise-scale deployments.
Helicone provides unified observability for AI apps with request tracking, session analytics, user analytics, and custom properties. Supports OpenAI, Anthropic, Azure, and other providers through single integration, enabling teams to identify performance bottlenecks and debug issues across their LLM stack.
Hobby tier is completely free with 10,000 requests/month and 7-day free trial on Pro tier. No credit card required to start, allowing teams to evaluate Helicone's capabilities before committing to paid plans.
Helicone's gateway features include automatic caching and fallback routing, which help teams optimize token usage and reduce API costs. Usage-based pricing calculator shows cost savings, and cached responses can save significant operational hours.
Helicone includes Prompts, Datasets, Playground, and Scores features that allow teams to test prompt variations, create evaluation datasets, and track prompt performance metrics. This enables data-driven prompt optimization without manual experimentation.