Open-Source AI Gateway & LLM Proxy
GatewaysFree plan availableAIOpen Source
- Routing & governance
- Self-hosted deployment
- Model and MCP integrations
Best Helicone Alternatives in 2026
3 similar tools you can use instead of Helicone, with pricing and key features.
Helicone
AI Gateway & LLM Observability
Helicone is an AI gateway and LLM observability platform. It helps developers, data teams, and product teams route, debug, and analyze AI-powered applications.
- LLM Request Routing
- Debugger & Replay
- Observability Dashboards
- Integrations & SDKs
Helicone alternatives
The Unified Interface For Every Model
GatewaysFrom 5.5% / Pay-as-you-goAI
- Multi-model routing
- BYOK and credits
- API key management
Production Stack for Gen AI Builders
GatewaysFree plan availableAI
- AI Gateway
- Observability
- Guardrails
Frequently Asked Questions
What is Helicone?
Helicone is a Gateways tool: AI Gateway & LLM Observability. It has a free plan. Key features include LLM Request Routing, Debugger & Replay, Observability Dashboards and Integrations & SDKs.
Are there free alternatives to Helicone?
Yes. LiteLLM and Portkey have a free plan. Helicone also has a free plan.
Is there an open-source alternative to Helicone?
Yes. LiteLLM is open source.
Which Helicone alternatives are paid-only?
OpenRouter: From 5.5% / Pay-as-you-go.