Opik

Opik

Comet
+
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About

EidoStack is a browser-based workspace for AI engineers to interact with, evaluate, compare, and select the right AI models before production. Use AI models for everyday conversations and development tasks, test the same prompts across different models, compare responses side by side, and analyze token usage, estimated costs, performance, and context behavior. EidoStack provides configurable system prompts, context strategies, chat history, model comparison, and usage analytics, helping developers work with multiple AI models and make informed decisions about which model best fits their application.

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
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI engineers, LLM application developers, software developers, startups, and engineering teams that need to evaluate and compare AI models before using them in production.

Audience

Developers looking for a solution to evaluate, test, and monitor their LLM applications

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$10/month
Free Version
Free Trial

Pricing

$39 per month
Free Version
Free Trial

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:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.0 / 5
support 5.0 / 5

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

EidoStack
Founded: 2026
Ukraine
eidostack.com

Company Information

Comet
Founded: 2017
United States
www.comet.com/site/products/opik/

Alternatives

Alternatives

DeepEval

DeepEval

Confident AI
Braintrust

Braintrust

Braintrust Data
Selene 1

Selene 1

atla

Categories

Categories

Integrations

Azure OpenAI Service
Claude
DeepEval
Flowise
Hugging Face
Kong AI Gateway
LangChain
LiteLLM
LlamaIndex
OpenAI
OpenAI o1
Pinecone
Predibase
Ragas
pytest

Integrations

Azure OpenAI Service
Claude
DeepEval
Flowise
Hugging Face
Kong AI Gateway
LangChain
LiteLLM
LlamaIndex
OpenAI
OpenAI o1
Pinecone
Predibase
Ragas
pytest
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