
Opik
End-to-end AI observability platform for developers with agent testing, optimization, and monitoring.
- Freemium· from $19/month
- API Available
- Open Source

What is Opik?
Opik is an AI Observability tool. End-to-end AI observability platform for developers with agent testing, optimization, and monitoring. Opik is freemium: it has a free plan, and paid plans start at $19/month. A free trial is available. It is aimed at developers, ai developers and data scientists.
Opik is an end-to-end AI observability platform designed for developers, offering agent testing, optimization, and monitoring capabilities. It provides tools to evaluate, test, and ship LLM applications, with features like logging agent steps, detecting silent errors, and managing agents in production.
Built for developers, ai developers and data scientists.
Key capabilities
Features
Detect Silent Errors & Debug Traces
Fix Issues at the Source with Ollie
Validate Fixes with Test Suites & Evals
Monitor & Manage Agents in Production
End-to-End AI Evaluation Platform
Track & Optimize Coding Agent Spend
Optimize Prompts & Agentic Systems
MLOps: Track & Compare Model Training Runs
Log Thousands of LLM Traces, Fast
Enterprise-Grade Reliability & Security
Use cases
- Evaluate LLM applications with observability tools across dev and production lifecycle
- Test and ship LLM applications with agent testing and monitoring
- Detect silent errors and debug traces in agent workflows
- Fix issues at the source using Ollie for agent debugging
- Validate fixes with test suites and evaluations for agent performance
- Monitor and manage agents in production environments
Who it's for
Pros & cons
Pros
- Public API available
- Free plan available
- Enterprise SSO support
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance
- Easy integration with tools like OpenAI, Anthropic, LangChain, and VS Code
Cons
No documented limitations yet.
Pricing
Freemium — paid plans start at $19/month. Free trial available.
| Plan | Price |
|---|---|
| Free Cloud | Free |
| Pro Cloud | $19 / month |
| Enterprise | Custom |
| Expert Annotation UI | Free |
| Free | Free |
| Pro10 seats | $19 / month |
Developer & API
Public SDK API available
- SDKs
- Python SDK, TypeScript SDK, Python, TypeScript
Open source· Apache-2.0· 22.3K stars· 1.8K forks
Security & compliance
- SOC 2
- ISO 27001
- SSO
- SAML
- Data deletion
As stated on Opik's website — not independently verified by AiByts.
FAQ
What is Opik?
Opik is an AI Observability tool. End-to-end AI observability platform for developers with agent testing, optimization, and monitoring. Opik is an end-to-end AI observability platform designed for developers, offering agent testing, optimization, and monitoring capabilities. It provides tools to evaluate, test, and ship LLM applications, with features like logging agent steps, detecting silent errors, and managing agents in production.
Is Opik free?
Opik has a free plan; advanced features require a paid plan.
How much does Opik cost?
Opik offers 6 plans: Free Cloud (Free), Pro Cloud ($19 / month), Enterprise (Custom), Expert Annotation UI (Free), Free (Free) and Pro ($19 / month).
Does Opik have an API?
Yes, Opik offers a public SDK API for building custom integrations.
Who should use Opik?
Opik is built for developers, ai developers and data scientists. Common uses: evaluate LLM applications with observability tools across dev and production lifecycle, test and ship LLM applications with agent testing and monitoring, detect silent errors and debug traces in agent workflows and fix issues at the source using Ollie for agent debugging.
What does Opik integrate with?
Opik integrates with OpenAI, Anthropic, LangChain and VS Code.
Is Opik open source?
Yes, Opik is open source under the Apache-2.0 license.
What are the best alternatives to Opik?
Similar tools on AiByts include Braintrust, Respan, Helicone, Portkey and Keywords AI.
Opik news & updates
Details are compiled from Opik's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try Opik
Freemium · from $19/month
Tags
- AI Observability
- LLM Monitoring
- Agent Testing
- MLOps
Comments
Sign in to join the discussion.