8 Must-Know Tools to Master Large Language Models with Prompt Engineering

Prompt engineering is crucial for getting the most out of large language models (LLMs) and involves crafting specific prompts to achieve desired outputs. This article explores eight prompt engineering tools that can streamline the process.


  • Prompt engineering requires understanding how to create and manipulate prompts for LLMs, and experimentation is key.
  • Tools can help refine prompts and expedite their creation. This is especially useful as prompt engineering is still evolving.
  • The provided list includes eight prompt engineering tools:
    • Agenta: Open-source platform for experimenting with, evaluating, and deploying LLMs.
    • PromptPerfect: Improves prompt quality for consistent LLM results. Offers free credits and paid tiers.
    • PromptAppGPT: Low-code framework for developing language model applications based on GPT. Free and open-source.
    • LangChain: Simplifies application development and offers pre-made prompt templates. Free and open-source, with enterprise options.
    • PromptSource: Integrated development environment for creating, sharing, and using natural-language prompts. Offers around 2,000 prompts and a web-based GUI. Free and open-source.
    • Prompter: Debugging tool for GPT-3.5 and GPT-4, allowing prompt testing and iteration. Free with limited use, plans to support more models.
    • Promptmetheus: IDE for complex LLM prompt creation, focusing on data and text manipulation. Offers free playground and paid tiers.
    • FusionAI: Software for improving and expanding prompts, often used for creative writing and brainstorming. Free to use.

Remember, this is not an exhaustive list, and the best tool for you will depend on your specific needs and budget.


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