Pezzo 🕹️

Overview

Pezzo is an open-source, developer-first LLMOps platform for prompt design, version management, and observability. It enables teams to collaborate on prompts, deliver them instantly, and troubleshoot issues with built-in monitoring. Written in TypeScript, it provides a self-hosted alternative for managing LLM workflows.

Best for

Best for
Teams seeking an open-source, self-hosted LLMOps tool with prompt management and observability

Use cases

• Versioning and deploying prompts across development and production environments
• Debugging LLM responses with detailed observability and tracing
• Collaborating on prompt design and iteration within a team

Notes

Pezzo is an open-source, developer-first LLMOps platform for prompt design, version management, and observability. It enables teams to collaborate on prompts, deliver them instantly, and troubleshoot issues with built-in monitoring. Written in TypeScript, it provides a self-hosted alternative for managing LLM workflows.

3,239 stars on GitHub. Last updated 2026-03-31. Licensed Apache-2.0.

Use cases

• Versioning and deploying prompts across development and production environments
• Debugging LLM responses with detailed observability and tracing
• Collaborating on prompt design and iteration within a team

Pros

• Open-source and self-hostable, giving full control over data and costs
• Developer-friendly with TypeScript codebase and clear API
• Integrated observability for prompt performance and error tracking

Cons

• Community-driven project may have slower updates and limited support
• Smaller ecosystem and fewer integrations compared to commercial alternatives
• Requires self-hosting and maintenance, adding operational overhead

Indexed from awesome-llmops and enriched against its public facts.