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Opik vs Portkey

OpikPortkey

Bottom line: Opik for teams wanting open-source eval plus tracing; Portkey for teams routing production traffic across many LLMs.

	Opik Open-source LLM evaluation, tracing, and observability by Comet. Visit	Portkey Open-source AI gateway and control plane for production Gen AI. Visit
Votes	0	0
Pricing	Freemium	Freemium
Category	Coding	Coding
Tags	llm-evaluationobservabilityopen-sourcetracingmonitoring	ai-gatewayllmopsopen-sourceobservabilitygovernance
Best for	Teams wanting open-source eval plus tracing LLM engineers doing eval-driven development Organizations that value self-hostability	Teams routing production traffic across many LLMs Organizations needing governance and reliability tooling Developers wanting an open-source, self-hostable gateway
Pros	Full platform is Apache-2.0 and free to self-host Combines tracing and evaluation in one tool LLM-as-a-judge and many automated metrics Fast-growing, widely adopted open-source project Integrates with Comet's ML ecosystem	Fully open-source, self-hostable gateway for data control and no lock-in Access to more than 1,600 models through one API Broad feature set spanning observability, guardrails, routing, prompts, and cost control Transparent, relatively cheap entry with free and ~$49 tiers Battle-tested at very large scale
Cons	Crowded, competitive category Self-hosting requires running infrastructure Managed cloud limits (spans, seats) on lower tiers Evaluation quality depends on judge configuration Deep value tied to adopting the workflow	Adds a network hop and dependency in the critical request path Log-volume-based pricing can get complex or expensive at scale Free-tier logging caps and short retention are tight for real debugging Self-hosting the open-source gateway shifts ops burden to you It is a gateway and ops layer, not a full build-and-eval IDE

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