#58 · Primary category： Prompt Engineering Tools
prompt-layer-library
🍰 PromptLayer - Maintain a log of your prompts and OpenAI API requests. Track, debug, and replay old completions.
Project last updated：08/19/26
GitHub Stars
783
Forks
96
Contributors
33
License
Apache-2.0
Why we included this project
Once you start shipping real apps on top of OpenAI, the requests you sent stop being easy to find. PromptLayer is a Python SDK that keeps those calls and the prompts behind them in one place, so when a model returns something odd you can pull up the exact request, replay it, or compare it against how the same prompt behaved last week. It also stores versioned prompt templates and fetches them at runtime with input variables, which keeps teams from hardcoding prompts across the codebase. If you want visibility into what your models actually returned without rebuilding your stack, this is a thin observability layer that drops into existing code.
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