Compare the Top Prompt Engineering Tools with a Free Trial as of April 2025

What are Prompt Engineering Tools with a Free Trial?

Prompt engineering tools are software tools or frameworks designed to optimize and refine the input prompts used with AI language models. These tools help users structure prompts to achieve specific outcomes, control tone, and generate more accurate or relevant responses from the model. They often provide features like prompt templates, syntax guidance, and real-time feedback on prompt quality. By using prompt engineering tools, users can maximize the effectiveness of AI in various tasks, from creative writing to customer support. As a result, these tools are invaluable for enhancing AI interactions, making responses more precise and aligned with user intent. Compare and read user reviews of the best Prompt Engineering tools with a Free Trial currently available using the table below. This list is updated regularly.

  • 1
    PromptBase

    PromptBase

    PromptBase

    Prompts are becoming a powerful new way of programming AI models like DALL·E, Midjourney & GPT. However, it's hard to find good-quality prompts online. If you're good at prompt engineering, there's also no clear way to make a living from your skills. PromptBase is a marketplace for buying and selling quality prompts that produce the best results, and save you money on API costs. Find top prompts, produce better results, save on API costs, and sell your own prompts. PromptBase is an early marketplace for DALL·E, Midjourney, Stable Diffusion & GPT prompts. Sell your prompts on PromptBase and earn from your prompt crafting skills. Upload your prompt, connect with Stripe, and become a seller in just 2 minutes. Start prompt engineering instantly within PromptBase using Stable Diffusion. Craft prompts and sell them on the marketplace. Get 5 free generation credits every day.
    Starting Price: $2.99 one-time payment
  • 2
    LastMile AI

    LastMile AI

    LastMile AI

    Prototype and productionize generative AI apps, built for engineers, not just ML practitioners. No more switching between platforms or wrestling with different APIs, focus on creating, not configuring. Use a familiar interface to prompt engineer and work with AI. Use parameters to easily streamline your workbooks into reusable templates. Create workflows by chaining model outputs from LLMs, image, and audio models. Create organizations to manage workbooks amongst your teammates. Share your workbook to the public or specific organizations you define with your team. Comment on workbooks and easily review and compare workbooks with your team. Develop templates for yourself, your team, or the broader developer community, get started quickly with templates to see what people are building.
    Starting Price: $50 per month
  • 3
    PromptGround

    PromptGround

    PromptGround

    Simplify prompt edits, version control, and SDK integration in one place. No more scattered tools or waiting on deployments for changes. Explore features crafted to streamline your workflow and elevate prompt engineering. Manage your prompts and projects in a structured way, with tools designed to keep everything organized and accessible. Dynamically adapt your prompts to fit the context of your application, enhancing user experience with tailored interactions. Seamlessly incorporate prompt management into your current development environment with our user-friendly SDK, designed for minimal disruption and maximum efficiency. Leverage detailed analytics to understand prompt performance, user engagement, and areas for improvement, informed by concrete data. Invite team members to collaborate in a shared environment, where everyone can contribute, review, and refine prompts together. Control access and permissions within your team, ensuring members can work effectively.
    Starting Price: $4.99 per month
  • 4
    Parea

    Parea

    Parea

    The prompt engineering platform to experiment with different prompt versions, evaluate and compare prompts across a suite of tests, optimize prompts with one-click, share, and more. Optimize your AI development workflow. Key features to help you get and identify the best prompts for your production use cases. Side-by-side comparison of prompts across test cases with evaluation. CSV import test cases, and define custom evaluation metrics. Improve LLM results with automatic prompt and template optimization. View and manage all prompt versions and create OpenAI functions. Access all of your prompts programmatically, including observability and analytics. Determine the costs, latency, and efficacy of each prompt. Start enhancing your prompt engineering workflow with Parea today. Parea makes it easy for developers to improve the performance of their LLM apps through rigorous testing and version control.
  • 5
    AI Keytalk

    AI Keytalk

    AI Keytalk

    Good prompt engineering is essential to getting the desired outcome from AI tools. Access thousands of industry-specific prompts generated by AI Keytalk. With expressions collected from people’s reviews of 88,000+ movies and TV shows, you can engineer the perfect idea for your next project. Use AI Keytalk prompts to get everything you need to plan your next movie or TV show. Collaborate easily from the get-go with a comprehensive production planning complete with movie references, cast and crew suggestions, and many more. Use AI Keytalk prompts to build a storyline and bring characters to life. Reference thousands of prompts specific for plot development, character building, writing style, and climax, compiled from existing novels and comics. Use AI Keytalk prompts to get the right prompts to describe the art direction for your movie poster, scene development, character concepts, and many more. Combine it with generative AI tools to build references for more effective collaboration.
  • 6
    Maxim

    Maxim

    Maxim

    Maxim is an enterprise-grade stack for building AI applications, empowering modern AI teams to ship products with quality, reliability, and speed. Bring the best practices of traditional software development into your non-deterministic AI workflows. Playground for all your prompt engineering needs. Rapidly and systematically iterate with your team. Organize and version prompts outside of the codebase. Test, iterate, and deploy prompts without code changes. Connect with your data, RAG pipelines, and prompt tools. Chain prompts and other components together to build and test workflows. Unified framework for machine and human evaluation. Quantify improvements or regressions and deploy with confidence. Visualize evaluation runs on large test suites across multiple versions. Simplify and scale human evaluation pipelines. Integrate seamlessly with your CI/CD workflows. Monitor real-time usage and optimize your AI systems with speed.
    Starting Price: $29 per month
  • 7
    DagsHub

    DagsHub

    DagsHub

    DagsHub is a collaborative platform designed for data scientists and machine learning engineers to manage and streamline their projects. It integrates code, data, experiments, and models into a unified environment, facilitating efficient project management and team collaboration. Key features include dataset management, experiment tracking, model registry, and data and model lineage, all accessible through a user-friendly interface. DagsHub supports seamless integration with popular MLOps tools, allowing users to leverage their existing workflows. By providing a centralized hub for all project components, DagsHub enhances transparency, reproducibility, and efficiency in machine learning development. DagsHub is a platform for AI and ML developers that lets you manage and collaborate on your data, models, and experiments, alongside your code. DagsHub was particularly designed for unstructured data for example text, images, audio, medical imaging, and binary files.
    Starting Price: $9 per month
  • 8
    Velocity AI

    Velocity AI

    Totem Interactive

    Velocity is an AI-powered platform designed to enhance the effectiveness of AI-generated content by transforming basic instructions into powerful, contextually rich prompts. This tool streamlines the prompt engineering process, enabling users to generate smarter prompts effortlessly. By integrating seamlessly into existing workflows, Velocity allows users to elevate their AI interactions without requiring extensive manual input. The platform is accessible through a user-friendly interface, with login options available for registered users. Additionally, Velocity maintains an active presence on social media platforms, providing updates and engaging with the community. Explore endless possibilities and make your creative projects stand out with minimal effort. Streamline your workflow with professional-grade prompts optimized for business use. Simplify research, generate ideas, or prepare lesson plans with precision and creativity.
  • 9
    AiToolsKit.ai

    AiToolsKit.ai

    AiToolsKit.ai

    AI Tools Kit is a Productive AI, Writing, Seo, Social media & Marketing tools all-in-one Platform which provides FREE tools such as AI Art Generator, Prompt Engineering Tool, AI Undetectable Rewriter, Keyword Research Tool (CPC, Search Vol & Difficulty), AI Image Optimizer, Text to Speech Pro, ChatGPT4 (launching soon), Image Background Remover, Instagram Hashtags Generator, Image Quality Enhancer, Trending Youtube tags, URL Shortener, Backlink Maker, QR Code Generator, Keywords Provider for Particular Search Engine, Website's SEO Report Generator, Free Plagiarism Checker, Password Strength Checker, Speech to Text Converter, Online Pdf Editor, Image Texts Extractor, AI Based Content Generator and 50+ More.
    Starting Price: $0
  • 10
    Hamming

    Hamming

    Hamming

    Prompt optimization, automated voice testing, monitoring, and more. Test your AI voice agent against 1000s of simulated users in minutes. AI voice agents are hard to get right. A small change in prompts, function call definitions or model providers can cause large changes in LLM outputs. We're the only end-to-end platform that supports you from development to production. You can store, manage, version, and keep your prompts synced with voice infra providers from Hamming. This is 1000x more efficient than testing your voice agents by hand. Use our prompt playground to test LLM outputs on a dataset of inputs. Our LLM judges the quality of generated outputs. Save 80% of manual prompt engineering effort. Go beyond passive monitoring. We actively track and score how users are using your AI app in production and flag cases that need your attention using LLM judges. Easily convert calls and traces into test cases and add them to your golden dataset.
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