Opik vs UpTrain
Opik
comet.comUpTrain
uptrain.aiSide by side
| Figure | Opik | UpTrain |
|---|---|---|
| Price from | $19/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | Yes | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 4 | 0 |
| Spec score · AI LLM Evaluation Tools | 8.9 (#7) | 7.0 (#28) |
| Audience | The pricing page describes Opik as a platform for teams building applications or agents that make calls to an LLM, and says its free plans suit development and testing. | The homepage presents UpTrain for developers, product managers, managers, and business leaders working with LLM applications. |
| Integrations | The integration catalog covers TypeScript, Python, Java, .NET and Ruby ecosystems plus no-code tools and OpenTelemetry. | The official documentation describes integrations with LlamaIndex and Langfuse. |
| License | The repository and full platform are released under the Apache-2.0 license. | The repository is published under the Apache 2.0 license. |
| Open source | The core observability and evaluation feature set is available as open-source code that users can download and run locally. | The company says its core evaluation framework is open source. |
| Support | The pricing page lists community and self-service support across plans, email support for Pro and Enterprise, and dedicated support and SLAs for Enterprise. | The documentation directs users to its Slack community for questions and requests. |
Plans
In their own words
Opik
Opik helps teams building applications or agents that call an LLM log actions and evaluate behavior across development, testing, and production. It captures and visualizes traces, supports annotation, and provides audit logs. Its evaluation tools include more than 30 metrics for outcomes such as answer relevance, context precision, task completion, and hallucination. In production, Opik can evaluate traces in real time, alert when criteria fail, and track token use and model costs. Test Suites offer pass/fail assertions, an Agent Playground supports end-to-end tests, and a Prompt Optimizer provides six algorithms. Core observability and evaluation features are available as open-source code for local use. Opik includes a REST API and Python client, with Python and TypeScript SDKs listed, and integrations with more than 40 frameworks, model providers, and gateways. Free Cloud allows up to 10 team members, 25,000 spans per month, and 60-day retention. Pro Cloud costs $19 a month and lists up to 50 team members and 100,000 spans monthly.