Langtrace vs. Opik Comparison


Langtrace	Opik Comet	+	+
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About Langtrace is an open source observability tool that collects and analyzes traces and metrics to help you improve your LLM apps. Langtrace ensures the highest level of security. Our cloud platform is SOC 2 Type II certified, ensuring top-tier protection for your data. Supports popular LLMs, frameworks, and vector databases. Langtrace can be self-hosted and supports OpenTelemetry standard traces, which can be ingested by any observability tool of your choice, resulting in no vendor lock-in. Get visibility and insights into your entire ML pipeline, whether it is a RAG or a fine-tuned model with traces and logs that cut across the framework, vectorDB, and LLM requests. Annotate and create golden datasets with traced LLM interactions, and use them to continuously test and enhance your AI applications. Langtrace includes built-in heuristic, statistical, and model-based evaluations to support this process.	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 Developers wanting a solution to analyze, manage, and improve their LLM applications	Audience Developers looking for a solution to evaluate, test, and monitor their LLM applications
Support Phone Support Not Supported 24/7 Live Support Supported Online Supported	Support Phone Support Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not 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 Not Supported Live Online Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information Langtrace www.langtrace.ai/	Company Information Comet Founded: 2017 United States www.comet.com/site/products/opik/
Alternatives Dash0	Alternatives Maxim
Logfire Pydantic	DeepEval Confident AI
Cortex XCOR Palo Alto Networks	Respan
TelemetryHub TelemetryHub by Scout APM	Selene 1 atla
Prefix Stackify View All	ArtificialQA QAlified View All
Categories AI Observability Supported Observability Supported Telemetry Supported	Categories LLM Evaluation Supported

Integrations Claude Supported Claude for Legal Supported LangChain Supported LlamaIndex Supported OpenAI Supported Pinecone Supported Chroma Supported Cohere Supported Gemini 1.5 Flash Supported Gemini 2.0 Supported Gemini Enterprise Supported Gemini Pro Supported Honeycomb Supported Kong AI Gateway Not Supported Microsoft Azure Supported OpenTelemetry Supported Pinecone Rerank v0 Supported Qdrant Supported Ragas Not Supported SigNoz Supported Show More Integrations View All 28 Integrations	Integrations Claude Supported Claude for Legal Supported LangChain Supported LlamaIndex Supported OpenAI Supported Pinecone Supported Chroma Not Supported Cohere Not Supported Gemini 1.5 Flash Not Supported Gemini 2.0 Not Supported Gemini Enterprise Not Supported Gemini Pro Not Supported Honeycomb Not Supported Kong AI Gateway Supported Microsoft Azure Not Supported OpenTelemetry Not Supported Pinecone Rerank v0 Not Supported Qdrant Not Supported Ragas Supported SigNoz Not Supported Show More Integrations View All 16 Integrations
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