HumanSignal vs. Opik Comparison


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About HumanSignal's Label Studio Enterprise is a comprehensive platform designed for creating high-quality labeled data and evaluating model outputs with human supervision. It supports labeling and evaluating multi-modal data, image, video, audio, text, and time series, all in one place. It offers customizable labeling interfaces with pre-built templates and powerful plugins, allowing users to tailor the UI and workflows to specific use cases. Label Studio Enterprise integrates seamlessly with popular cloud storage providers and ML/AI models, facilitating pre-annotation, AI-assisted labeling, and prediction generation for model evaluation. The Prompts feature enables users to leverage LLMs to swiftly generate accurate predictions, enabling instant labeling of thousands of tasks. It supports various labeling use cases, including text classification, named entity recognition, sentiment analysis, summarization, and image captioning.	About Confidently evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle. Log traces and spans, define and compute evaluation metrics, score LLM outputs, compare performance across app versions, and more. Record, sort, search, and understand each step your LLM app takes to generate a response. Manually annotate, view, and compare LLM responses in a user-friendly table. Log traces during development and in production. Run experiments with different prompts and evaluate against a test set. Choose and run pre-configured evaluation metrics or define your own with our convenient SDK library. Consult built-in LLM judges for complex issues like hallucination detection, factuality, and moderation. Establish reliable performance baselines with Opik's LLM unit tests, built on PyTest. Build comprehensive test suites to evaluate your entire LLM pipeline on every deployment.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience AI/ML teams needing a solution for data labeling, model evaluation, and prompt engineering, enabling them to create high-quality labeled data and assess model outputs with human supervision	Audience Developers looking for a solution to evaluate, test, and monitor their LLM applications
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $99 per month Free Version Supported Free Trial Supported	Pricing $39 per month Free Version Supported Free Trial Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 4.0 / 5 support 5.0 / 5 Read all reviews
	Pros & Cons from Real Users Pros My team has switched to Opik from Arize about 4 months ago. We have evaluated Arize, Langfuse, Opik and Langsmith. Overall Opik was the best platform. Phoenix OSS doesn't have half the features, Langsmith is nice but super expensive and not OSS and Langfuse is brittle and has tons of performance issues. We found one bug on Opik, opened a PR on the GH repo and it was fixed and merged in less than 5 hours. Cons Personally I think they can make the UI a bit prettier.
Training Documentation Supported Webinars Supported Live Online Supported In Person Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information HumanSignal Founded: 2019 United States humansignal.com	Company Information Comet Founded: 2017 United States www.comet.com/site/products/opik/
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Categories Data Annotation Supported Data Labeling Supported LLM Evaluation Supported	Categories LLM Evaluation Supported

Integrations Hugging Face Supported OpenAI Supported Amazon S3 Supported Amazon Web Services (AWS) Supported Claude Not Supported Claude for Legal Not Supported DeepEval Not Supported Flowise Not Supported Google Cloud Platform Supported Google Cloud Storage Supported JavaScript Supported Kong AI Gateway Not Supported LiteLLM Not Supported LlamaIndex Not Supported Meta AI Supported Microsoft Azure Supported OpenAI o1 Not Supported Pinecone Not Supported Ragas Not Supported pytest Not Supported Show More Integrations View All 10 Integrations	Integrations Hugging Face Supported OpenAI Supported Amazon S3 Not Supported Amazon Web Services (AWS) Not Supported Claude Supported Claude for Legal Supported DeepEval Supported Flowise Supported Google Cloud Platform Not Supported Google Cloud Storage Not Supported JavaScript Not Supported Kong AI Gateway Supported LiteLLM Supported LlamaIndex Supported Meta AI Not Supported Microsoft Azure Not Supported OpenAI o1 Supported Pinecone Supported Ragas Supported pytest Supported Show More Integrations View All 16 Integrations
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