Pezzo
Cloud-native LLMOps platform for prompt design, versioning, delivery, observability and cost monitoring.
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About Pezzo
Pezzo is listed in our evals & observability category and is aimed at builders. Cloud-native LLMOps platform for prompt design, versioning, delivery, observability and cost monitoring. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-18.
Pezzo at a glance
- Category: Evals & observability
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- Licence: Apache License 2.0 (OSI-approved open source)
- GitHub: pezzolabs/pezzo · 3,280 stars (as of Oct 21, 2026)
- Latest release: v0.9.2, May 15, 2024
- Last commit: Aug 21, 2026
- Official site: github.com/pezzolabs/pezzo
- Listed on AgentScout: Oct 18, 2026
Pezzo FAQ
What is Pezzo?
Cloud-native LLMOps platform for prompt design, versioning, delivery, observability and cost monitoring.
How much does Pezzo cost?
Pezzo's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is Pezzo open source?
Yes. Pezzo's GitHub repository is published under the Apache License 2.0, according to the licence file in the repo.
Where can I find Pezzo's source code?
On GitHub at pezzolabs/pezzo, which had 3,280 stars as of Oct 21, 2026. The latest release is v0.9.2 (May 15, 2024).
What are alternatives to Pezzo?
Similar tools include Agenta, Confident AI, AI Beat, Braintrust, AgentOps and BrowserGym.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
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Pezzo alternatives
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AgentOps
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BrowserGym
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🏆 Ranked in: Best AI Agent Observability & Eval Tools
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