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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Langfuse

    Score7 out of 10
    N/ALangfuse is an open-source LLM engineering platform for tracing, evaluating, monitoring, and improving large language model (LLM) applications and AI agents. It connects production observability with prompt management, datasets, experiments, and human feedback.N/A

    Weights & Biases

    Score10 out of 10
    N/AWeights & Biases helps machine learning teams build better models. Practitioners can debug, compare and reproduce their models — architecture, hyperparameters, git commits, model weights, GPU usage, datasets and predictions — and collaborate with their teammates.

    $50

    per month per user

    Pricing
    LangfuseWeights & Biases
    Editions & Modules
    No answers on this topic
    Starter
    $50
    per month per user
    Enterprise
    custom pricing
    Offerings
    Pricing Offerings
    LangfuseWeights & Biases
    Free Trial
    NoNo
    Free/Freemium Version
    NoYes
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional Details——
    More Pricing Information
    User Ratings
    LangfuseWeights & Biases
    Likelihood to Recommend
    7.0
    (1 ratings)
    10.0
    (1 ratings)
    Usability
    7.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    LangfuseWeights & Biases
    Likelihood to Recommend
    ClickHouse, Inc.
    In my case, Langfuse is very useful for debugging AI applications in detail. The best thing I'd mention is Prompt management. It is a hidden gem for me to trace my performance and track the product. It is also a good fit for monitoring and optimizing LLM applications where cost, latency, and model performance are important. For example, my team can trace and measure to identify expensive models and tool calls.
    Incentivized
    Read full review
    Weights & Biases
    No brainer to use it when doing ML experiments as it is very easy compared to any other open source tool. You don't have to host anything like in Tensorboard.
    Experiment details can be shared very easily with public using the reports
    Incentivized
    Read full review
    Pros
    ClickHouse, Inc.
    • The best part of Langfuse is that it has perfectly captured the metrics of my LLM applications and provides clear insight into key information, such as throughput, latency, and the cost of traces and application performance.
    • Easy to use and Configuration not many programing is need to use this.
    Incentivized
    Read full review
    Weights & Biases
    • Metrics Logging
    • Hyperparmeters Sweeps
    • Model Artifcats
    Incentivized
    Read full review
    Cons
    ClickHouse, Inc.
    • Langfuse improves the platform's security. For our AI applications, observability data can contain sensitive prompts, responses, application metadata, and other information, so security and data protection are critical considerations for us.
    • Langfuse should improve its observability. What I mean is that it should suggest key metrics based on the application's needs.
    Incentivized
    Read full review
    Weights & Biases
    • Dashboard lags when we log a lot of metrics
    • Improved support for matplotlib charts and documentation of wandb custom charts is not straghtforward
    Incentivized
    Read full review
    Usability
    ClickHouse, Inc.
    Everything is perfect in Langfuse, but I have a few Security Concerns.
    Incentivized
    Read full review
    Weights & Biases
    No answers on this topic
    Return on Investment
    ClickHouse, Inc.
    • It provides impact for debugging and tracing my AI application. Evaluation metrics show a positive impact of using Langfuse.
    Incentivized
    Read full review
    Weights & Biases
    • Made it very easy to track experiments
    • Track ML and Business Metrics improvements across experiments
    • Reproduce runs which is essential in ML modelling
    Incentivized
    Read full review
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