Helicone Alternatives

Helicone is described as 'The open-source LLM observability platform for developers to monitor, debug, and improve production-ready applications' and is a large language model (llm) tool in the ai tools & services category. There are more than 10 alternatives to Helicone for a variety of platforms, including Web-based, SaaS, Docker, Self-Hosted and Kubernetes apps. The best Helicone alternative is AcruxCore, which is both free and Open Source. Other great apps like Helicone are RapidClaw, Langfuse, AI Security Gateway and Spanlens.

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Alternatives list

  1. Corrath icon

    Corrath

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    Corrath is an AI security gateway built for developers and organizations building with Large Language Models.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Corrath screenshot 1
     
  2. LLMCap icon

    LLMCap

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    LLMCap is a reverse proxy that enforces real-time, dollar-based spending caps on LLM API calls. When you hit your cap, the next request returns 429 — the token is never consumed and money is never spent.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    LLMCap screenshot 1
     
  4. Netra icon

    Netra

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    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.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Netra screenshot 1
     
  5. PerUnit icon

    PerUnit

     Like

    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.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    PerUnit App screenshot providing AI cost attributions by customer, feature and tier
     
  7. PromptSpend icon

    PromptSpend

     Like

    Know the tab before you build. PromptSpend estimates, compares, and explains what an AI feature will cost — from a pricing catalog that re-checks itself every morning against vendor sources, so the numbers are never a year out of date. Free, open source, no accounts, no tracking.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    PromptSpend screenshot 1
     
  8. Respan AI icon

    Respan AI

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    Unified gateway centralizing LLM traffic routing, observability, centralized evaluations, prompt versioning, synchronized tracing, and spend controls. Streamlines diagnosis, debugging, and iteration for AI agents across dashboards, fitting solo builders and large teams handling complex workflows.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    Respan AI screenshot 1
     
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