Free Opik Alternatives in 2026

Looking for free alternatives to Opik? We've gathered 8 similar AI Tools, including 1 with free or freemium plans, so you can compare no-cost options and find the right fit. Top free picks include Promptfoo.

Best Free Opik Alternatives

1. Promptfoo (frei) (Freie Option) — Open-Source CLI und Bibliothek zum Testen und Auswerten von LLM-Prompten. More Opik alternatives
2. Agent QA (Preis variiert) — Write web and mobile tests in natural language. More Opik alternatives
3. Ragas (Preis variiert) — Evaluate AI application behavior with a testing framework. More Opik alternatives
4. Testim (Preis variiert) — Create and maintain automated UI tests with AI assistance. More Opik alternatives
5. Evidently AI (Preis variiert) — Evaluate and monitor language models and predictive AI systems. More Opik alternatives
6. Keploy (Preis variiert) — Test code changes against captured API behavior and dependencies. More Opik alternatives
7. LLM Comparator (Preis variiert) — Compare model responses with an interactive evaluation interface. More Opik alternatives
8. TruLens (Preis variiert) — Trace AI applications and score their behavior with evaluation Tools. More Opik alternatives

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