LLM Gateway routes, manages, and analyzes requests across more than 40 language-model providers through one API.
Helicone
Helicone provides an AI gateway for routing and monitoring AI applications.
About Helicone
Helicone is a web-based AI gateway and LLM observability platform. It is designed to route, debug, and analyze AI applications, and it is listed in the AI infrastructure and MLOps category. It is not open source.
The homepage offers a 7-day free trial that does not require a credit card. Pricing beyond the trial is not described in the source material.
Key features
- Routes AI application requests through an AI gateway
- Monitors LLM applications with observability tools
- Supports debugging of AI applications
- Supports analysis of AI applications
Best for: Teams building or operating AI applications that need to route, debug, and analyze their LLM traffic.
Good for
- Free trial does not require a credit card
Watch out for
- Free trial is limited to seven days
Helicone at a glance
- Website
- helicone.ai
- Type
- Website
- Pricing
- Free trial
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Helicone alternatives
Tools and sites you could use instead, ranked by how closely they match.
LiteLLM provides an AI gateway and LLM proxy with model routing, usage tracking, spend controls, and support for many providers.
Bifrost by Maxim AI is an open-source AI gateway for LLMs, MCP and agents with routing, governance, guardrails and observability, supporting 8+ providers and 1000+ models via a drop-in SDK replacement.
FreemiumOpen source
24 alternatives
Eden AI routes requests across language and other AI models through a unified API with provider options.
TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.
Metorial connects employees, agents, and AI clients to company tools and skills with access controls and tracing.
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Helicone FAQ
Is there a free trial?
Yes. The homepage lists a 7-day free trial with no credit card required.
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