Apps similar to LLMCap include Langfuse, which has a free version. Other options are Helicone, AI Security Gateway, RapidClaw and Spanlens. You can choose from more than 10 Large Language Model (LLM) Tools like LLMCap for the web and self-hosting.
Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more.
Germany
EU
Helicone is the open-source LLM observability platform for developers to monitor, debug, and improve production-ready applications.
United States
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
A boutique, white-glove platform for deploying and managing AI agents in production, with token cost optimization and self-hosting options.
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
Your AI bill is growing — but which customers, features, and pricing tiers are driving it? Most dashboards show totals. Totals don't help you decide who to charge more, what to gate, or where to cut.
India
Netra is the reliability platform for AI agents to observe, evaluate, simulate, and continuously improve every decision your agents make, so you can ship with confidence and catch regressions before your users do.
United States
Corrath is an AI security gateway built for developers and organizations building with Large Language Models.
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.
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
AI cost tracking per customer. Shows which customers are profitable after API costs, with Stripe revenue sync, cost simulator, and budget alerts.
United States
