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    Helicone Reviews, pricing and alternatives 2026

    LLM observability: costs, latency, prompts, logs, and monitoring.

    Best for
    What it does
    Ai general

    Helicone

    ToolTrim Verdict
    4.5/5
    Must-have

    Helicone was standard for LLM observability; since Mintlify acquisition (March 2026), prefer active alternatives.

    Visit websiteExplore around Helicone

    Pricing verified on

    Practical uses

    • Track LLM API costs in production.
    • Monitor latency and errors.
    • A/B test models and prompts.

    Pros and cons

    What Helicone does especially well — and the limits to anticipate.

    Pros

    • Open-source (MIT) for self-hosting.
    • Gateway pass-through (300+ models).
    • Detailed cost tracking.
    • Caching and optimizations.

    Cons

    • Project in maintenance mode since March 2026.
    • Reduced team post-acquisition.
    • More active alternatives emerging.

    Helicone: when it makes sense.

    Helicone was standard for LLM observability; since Mintlify acquisition (March 2026), prefer active alternatives.

    Keep if

    You deploy LLM apps to production.. You want to track costs and performance.

    Challenge if

    You don't have an LLM app deployed.. The Helicone project is in maintenance (since March 2026).

    How much does Helicone cost?

    Free0 €

    Free or open source depending on usage

    Paid plan

    Paid options may apply depending on hosting, team, or volume

    Best alternatives to Helicone.

    Direct substitutes

    LangChain logoLangChainLangSmith logoLangSmithLlamaIndex logoLlamaIndexOpenAI API logoOpenAI APIpgvector logopgvectorPinecone logoPinecone

    Helicone Summary

    Category
    tool.
    Price from
    Free.
    Best for
    professionals.
    Avoid if
    You don't have an LLM app deployed.; The Helicone project is in maintenance (since March 2026)..
    ToolTrim verdict
    Helicone was standard for LLM observability; since Mintlify acquisition (March 2026), prefer active alternatives.

    Our verdict on Helicone.

    Why this verdict

    Must-have

    Helicone is hard to replace short-term, a free tier to test before paying, clearly documented use cases.

    Tool FAQ

    Frequently asked questions about Helicone

    Pricing, usage, alternatives, and context: useful answers before adding one more tool to your stack.

    What is Helicone used for?

    LLM observability: costs, latency, prompts, logs, and monitoring.

    How much does Helicone cost?

    Helicone costs €0 (free). Price verified on 2026-03-29.

    Is Helicone suitable for beginners?

    Helicone suits most professionals. See the "Who is it for" section for details.

    Is Helicone worth the price?

    Helicone was standard for LLM observability; since Mintlify acquisition (March 2026), prefer active alternatives.

    What are the best alternatives to Helicone?

    No direct alternative listed.