Helicone

✓ verified, sync 2026-08-20

Helicone is an open-source LLM observability platform designed for monitoring, debugging, and improving AI applications. It offers features like cost tracking, agent tracing, and p….

PricingFreemium

Rating5.0 on Toolify · 93 reviews

Category Large Language Models (LLMs)AI Developer ToolsAI MonitorAI APIAI ModelsAI Research Tool +4

First indexed2026-08-20

What it does.

Helicone is an open-source LLM observability platform designed for monitoring, debugging, and improving AI applications. It offers features like cost tracking, agent tracing, and prompt management through a 1-line integration. It helps developers ship AI apps with confidence by providing an all-in-one platform to monitor, debug, and improve production-ready LLM applications.

registry ID ndock:tool:helicone

Features

Cost tracking
Agent tracing
Prompt management
Request and dashboard monitoring
Experiments and evaluations
Caching
Rate limits
LLM guardrails

Pricing history.

auto-diffed on every sync: the changelog other directories don't keep

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