Prompt Engineering FrameworksLangChainLlamaIndexPromptFlowPromptperfectAutoChainLLMFlowAxillaPromptToolsOutlinesAutoGenHaystackllmwarellmware-ai • Updated 2025 May 8 10:38JinaHuggingface.jsDify aiprompt-poetcharacter-ai • Updated 2025 May 7 14:21EllGenAIScript mitchellh.comhttps://mitchellh.com/writing/prompt-engineering-vs-blind-prompting