Opik vs. Prompt flow Comparison


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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.	About Prompt Flow is a suite of development tools designed to streamline the end-to-end development cycle of LLM-based AI applications, from ideation, prototyping, testing, and evaluation to production deployment and monitoring. It makes prompt engineering much easier and enables you to build LLM apps with production quality. With Prompt Flow, you can create flows that link LLMs, prompts, Python code, and other tools together in an executable workflow. It allows for debugging and iteration of flows, especially tracing interactions with LLMs with ease. You can evaluate your flows, calculate quality and performance metrics with larger datasets, and integrate the testing and evaluation into your CI/CD system to ensure quality. Deployment of flows to the serving platform of your choice or integration into your app’s code base is made easy. Additionally, collaboration with your team is facilitated by leveraging the cloud version of Prompt Flow in Azure AI.
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	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
Audience Developers looking for a solution to evaluate, test, and monitor their LLM applications	Audience AI application developers searching for a tool to streamline the development and deployment of LLM-based applications
Support Phone Support Supported 24/7 Live Support Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $39 per month Free Version Supported Free Trial Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
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	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
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 Not Supported Live Online Not Supported In Person Not Supported
Company Information Comet Founded: 2017 United States www.comet.com/site/products/opik/	Company Information Microsoft Founded: 1975 United States microsoft.github.io/promptflow/
Alternatives Maxim	Alternatives Maxim
DeepEval Confident AI	Braintrust Braintrust Data
Respan	Athina AI
Selene 1 atla	Respan
Scorable View All	Klu View All
Categories LLM Evaluation Supported	Categories AI Development Supported LLM Evaluation Supported

Integrations Azure OpenAI Service Supported Clarity by Rego Not Supported Claude Supported DeepEval Supported Flowise Supported Hugging Face Supported Kong AI Gateway Supported LangChain Supported LiteLLM Supported LlamaIndex Supported Microsoft Azure Not Supported OpenAI Supported OpenAI o1 Supported Pinecone Supported Predibase Supported Python Not Supported Ragas Supported pytest Supported Show More Integrations View All 15 Integrations	Integrations Azure OpenAI Service Not Supported Clarity by Rego Supported Claude Not Supported DeepEval Not Supported Flowise Not Supported Hugging Face Not Supported Kong AI Gateway Not Supported LangChain Not Supported LiteLLM Not Supported LlamaIndex Not Supported Microsoft Azure Supported OpenAI Not Supported OpenAI o1 Not Supported Pinecone Not Supported Predibase Not Supported Python Supported Ragas Not Supported pytest Not Supported Show More Integrations View All 3 Integrations
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