
Opik
8.4#1 in mlops platformsFrom $19 a monthFree planWebAPILinuxmacOS
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| Fact | Opik | W&B Weave |
|---|---|---|
| Founded | 2017 | 2017 |
| Guardrails | Self-hosted deployments can use PII, topic and custom guardrails to detect or block unsafe inputs and outputs. | Prebuilt safety scorers cover toxicity, bias, PII and hallucinations, while quality scorers cover coherence, fluency and context relevance. |
| Headquarters | New York City, United States | San Francisco, California, United States |
| Integrations | The integration catalog covers TypeScript, Python, Java, .NET and Ruby ecosystems plus no-code tools and OpenTelemetry. | The deployment guide lists integrations for OpenAI, Anthropic, Cohere, Mistral, LangChain, LlamaIndex, DSPy, Google Gemini, Amazon Bedrock, Together and Groq. |
| MCP extensibility | Its MCP server lets Claude Code, Cursor, VS Code Copilot, Codex and opencode query traces, score outputs and run evaluations from chat. | W&B skills and an MCP server let coding agents such as Claude Code read production data, run evaluations and iterate automatically. |
| Purpose | Opik logs agent actions and provides automated evaluation workflows to find and fix errors across development, testing, and production. | W&B Weave provides observability and continuous improvement tools for production AI agents. |
| Rating on G2 | No rating; 0 reviews listed for Opik | 4.5 out of 5 from 83 reviews |
| Rating on Gartner Peer Insights | 4.0 out of 5 from 1 review | 5.0 out of 5 from 1 review |
Opik is for teams building LLM applications or agents that need tracing, evaluation, and production monitoring. Its free plans are described as suitable for development and testing.
Weave suits teams developing and monitoring production AI agents that need tracing, evaluations, and model or prompt comparisons. It also fits teams that use Python or TypeScript libraries or send OpenTelemetry traces.