Apps similar to Helicone include AcruxCore, which is free and open source. Other options are RapidClaw, Langfuse, AI Security Gateway and Spanlens. You can choose from more than 10 Large Language Model (LLM) Tools like Helicone for the web, self-hosting, Mac, Windows and Linux.
Open-source LLM-ops platform combining prompt management, an AI gateway, tracing, a tool catalog, and evaluation in one self-hostable platform.
A boutique, white-glove platform for deploying and managing AI agents in production, with token cost optimization and self-hosting options.
Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more.
Germany
EU
Open-source AI firewall and LLM proxy that redacts PII, blocks prompt injection, and enforces spend budgets before requests reach any AI provider. Cloud SaaS, Hybrid VPC and Apache 2.0, self-hostable.
United States
Spanlens is open-source LLM observability built for application developers. Drop in a one-line proxy or SDK swap and every OpenAI, Anthropic, or Gemini call your app makes is captured with full request and response body, model, tokens, cost, and latency.
South Korea
Orbit is a developer tool for monitoring AI API usage in production applications. It provides real-time visibility into token consumption, costs, latency, and errors across multiple LLM providers.
India
Ambertrace is an LLM observability platform with an open source SDK that traces every AI agent call across OpenAI, Anthropic, and Google with zero code changes.
Proxy that logs every LLM prompt, response and tool call to an encrypted audit trail, and blocks or flags requests carrying PII, secrets or policy violations before they reach the provider.
SwedenEU
AI cost tracking per customer. Shows which customers are profitable after API costs, with Stripe revenue sync, cost simulator, and budget alerts.
United States
Glassbrain captures every step of your AI app as an interactive visual trace tree. Click any node, swap the input, replay instantly without redeploying. Snapshot mode stores deterministic replays. Live mode hits your actual stack.
India
Australia
