Prompt Evaluation System

EvalsOne is an evaluation platform for developers and researchers to assess LLM prompts, RAG, and agents using rule‑based or LLM‑based methods, human judgment, and customizable evaluators. It supports multiple APIs and integrates with major AI frameworks.

Promptlay is a widely used AI tool platform designed for engineers to manage and track performance. It features visual management templates and API usage monitoring, and has gained trust from over 1,000 engineering teams.

Answerwriting is an AI platform for UPSC aspirants that automates answer evaluation, providing real-time feedback on clarity, structure, and relevance. It enhances writing skills through daily practice aligned with exam patterns, ensuring continuous improvement.

PromptPanda centralizes prompt creation, tagging, and storage in a searchable repository. It scores and analyzes prompts, suggests fine‑tuning, lets users set reusable variables, offers a browser extension, and supports secure, collaborative brand‑consistent AI workflows.

Prompt Engineering Institute offers resources for mastering prompt engineering and AI applications, including free courses, tutorials, and community support. Its 5C framework aids in crafting effective prompts and optimizing AI model performance through advanced techniques.

Prompt Studio is an AI platform focused on prompt engineering. It facilitates language model creation, evaluation, and teamwork in a collaborative environment.

Photoeval uses AI to score facial attractiveness on a 1–10 scale, evaluating symmetry, jawline, eye shape, hair, skin texture, and lip proportion. Users also receive anonymized community ratings and feature breakdowns for improvement insights.

UpScore.ai delivers AI‑driven IELTS Writing Task 2 support, offering instant automated scoring and sentence‑by‑sentence feedback, rewrite suggestions, and personalized improvement plans. It tracks progress across multiple submissions, aiding students, job‑seekers, and educators.

Parea AI tracks LLM calls via Python/TypeScript SDKs, letting teams evaluate models on custom data, spot regressions, iterate prompts in a playground, monitor cost, latency and quality, and collect human annotations for fine‑tuning.

Maxim is an AI evaluation observability platform that aids teams in optimizing product quality through systematic testing, prompt management, dataset curation, and real-time monitoring, all while ensuring secure collaboration and efficient development workflows.

Practice PTE AI Scorings is an AI-driven platform for PTE test takers, offering comprehensive practice for speaking and writing tasks with accurate evaluation. Access study materials, detailed score reports, and performance improvement tips.

User Evaluation is an AI‑driven platform that transcribes audio/video in 57 languages, tags and analyzes responses, and delivers actionable insights via dynamic reports and a multimodal chat. It supports secure storage, Kanban organization, and integration with design and analytics tools.

EssayGrad is an AI-powered tool that grades essays and provides specific feedback based on rubrics, identifies areas for improvement, summarizes the essay, detects AI-written essays, and reports grammar, spelling, and punctuation errors.

Testmarket connects buyers with sellers offering discounted or free products in exchange for reviews. Users browse categories, receive rebates, and get payouts via PayPal or bank transfer. Sellers gain brand visibility on U.S. marketplaces and access analytics for keyword targeting.

AI IELTS Writing Checker evaluates essays on grammar, vocabulary, cohesion, and task response, offering instant feedback and revision guidance. It also includes Speaking, Listening, and Reading simulators, plus an essay bank for ideas and progress tracking.

Promptbase is an AI prompt marketplace with access to high-quality prompts for various industries and use cases. Users can buy, sell, and generate images directly using stabl diffusion technology and receive 5 free credits daily.

PromptPerfect refines prompts for LLMs and image generators, automatically enriching inputs and offering customizable iterations in any language. Its API embeds optimization into workflows, improving output quality, SEO, and code or image generation across marketing, development, and content creatio

Evalify scans 200 million patent records across 170 jurisdictions to produce a rapid Freedom‑to‑Operate score (250‑900). Its AI‑driven clearance reports enable investors and startups to assess infringement risk, prioritize opportunities, and safeguard stealth projects.

Examify AI creates personalized past-paper style questions and mark schemes for exam preparation. It features instant grading, expert feedback, and tailored revision guides, helping users identify strengths and weaknesses while building confidence for assessments.

Photofeeler lets users upload business, social, or dating photos and receive scores on competence, likability, attractiveness, and dateability from real people. The platform offers actionable comments, privacy controls, and rapid voting options to improve online image impact.

UserCue offers AI‑moderated interviews that gather data from up to 1,000 participants in one hour. It customizes agents within 24 hours, distributes via a single link, and delivers structured reports minutes after the deadline.

Eclipse AI aggregates customer feedback from multiple sources, delivering real‑time dashboards and AI‑generated insights that highlight pain points, opportunities, and KPI correlations. Its conversational querying speeds decision cycles for marketing, operations, and training teams.

Thesify is an academic assistant that offers feedback on theses, dissertations, and grant proposals, evaluating strength, evidence, clarity, and rubric alignment. It provides instant citation support from 200 million references and delivers article summaries, semantic literature search, and paper di

Global System Thinking Frameworks offers tools for enhanced decision-making and problem-solving, including self-assessment templates and strategic models like SBI, 4C, and Business Model Canvas, supporting effective communication and organizational management.

LangWatch enables real‑time testing of LLM agents, offering simulation, prompt management, audit trails, and batch testing across models. It integrates with OpenTelemetry, LangChain, LangGraph, and supports self‑hosted, cloud, and role‑based access.

Mine My Reviews aggregates reviews from multiple platforms into one dashboard, extracting sentiment scores and key phrases. It provides real‑time keyword alerts, summarization, and exportable reports, helping small businesses and marketers quickly identify customer insights.

CasperPractice delivers an online platform for CASPer test preparation with unlimited practice questions and full‑length timed tests aligned to the 2025 format. AI evaluates responses, gives paragraph‑level feedback, quartile assessment, and stores video transcripts for review, for pre‑health studen

Collects feedback from 30+ sources, automatically classifies requests, complaints, and themes, and provides full‑context views. AI‑driven surveys adapt questions, translate answers, export user stories to Jira or Linear, track trends, and deliver Slack updates.

Prompthero is a website that provides information on prompting techniques for AI models.

Easyprompt is an AI tool that offers a chatbot prompt library and marketplace, a web app optimized for ChatGPT UX/UI, and enables users to generate effective responses without a ChatGPT account. It also has diverse chatbot prompts in its library.

Prompt Storm is a Chrome extension that connects to ChatGPT, Gemini, and Claude, offering a library of ready‑made prompts for quick generation of articles, emails, reports, code snippets, summaries, and marketing content.

unitQ aggregates support tickets, analytics, social media, and surveys across languages, using AI to transform feedback into actionable insights. Dashboards track trends, prioritize roadmaps, trigger alerts, automate issue resolution, and link customer behavior with friction points for faster produc

AcademicGPT is a powerful AI tool for researchers to generate abstracts and receive feedback on research papers. It saves time and streamlines the writing process.

GeniusReview automates 360‑degree performance reviews by auto‑tailoring skill categories to an employee’s role, allowing 1‑10 ratings or n/a, adding custom prompts, and generating concise, tone‑specific feedback ready for distribution for managers and HR.

TimelyGrader is an AI grading tool that combines machine learning and human oversight for precise assessments. It supports various assignments, offers customizable rubrics, and provides real-time analytics, enhancing efficiency while maintaining data privacy and integrity.

Promptsideas is a marketplace offering 13,000 AI prompts for models such as ChatGPT, Gemini, Claude, Stable Diffusion, Midjourney, Leonardo AI, and DALL·E. Users browse, sell, store prompts, and generate social media bios, pitch decks, and character designs.

Voicepanel is an AI‑native research platform that lets teams design studies, instantly recruit from a 30 million‑user global panel, and collect voice, video, and text responses. It supports multi‑language prompts, real‑time analysis, and Slack integration for rapid insights.

The MyEssai AI tool offers instant and specific feedback to improve essay quality by analyzing grammar, structure, and content. It's free to use with various pricing plans available for more extensive feedback.

Promptitude centralizes GPT prompt creation, editing, and management for teams, offering a ready‑to‑use library, visual builder, no‑code integration, document reference, multi‑provider support, flow automation, rating, secure sharing, and a unified chat for testing.

Scorecard is an AI performance management tool that enables teams to create experiments and continuously evaluate AI agents. It integrates development and production environments for efficient testing, feedback, and customizable performance metrics tailored to business needs.

Prolific offers an API‑first platform for gathering high‑quality, real‑world data from a diverse participant pool. It provides fully managed collection, audience targeting, and access to domain experts, enabling quick, representative studies for AI development.

ValidatorAI evaluates startup ideas, scoring market fit, competitor landscape, TAM/SAM/SOM, and simulating customer responses. It outputs a structured value proposition, launch gaps, pivot suggestions, a landing‑page template, and an MVP outline to accelerate prototype development.

Klu accelerates LLM app development by enabling collaborative prompt design, version control, and automated evaluation across multiple providers. It offers unified observability, cost and drift tracking, private infrastructure, continuous monitoring, and integration with 50+ tools for scalable AI de

Markprompt automates ticket resolution, email triage, chat, voice support with autonomous agents that reference live data and internal knowledge. It routes inquiries to experts, assists agents in CRM systems, and generates trend reports while ensuring SOC 2, GDPR, and encryption compliance.

SmallTalk2Me uses AI to give instant feedback on fluency, pronunciation, vocabulary, and grammar. It offers CEFR‑level tests, IELTS, interview, business, and daily practice sessions that track measurable improvement over time.

VibeOnly assesses candidates' AI and coding proficiency using real-world challenges, automated scoring, and metrics like prompting, problem-solving, speed, and core coding skills to standardize candidate comparison, prioritize shortlists, and integrate with recruitment workflows.

ReadTheory offers adaptive reading comprehension exercises for K‑12 and ESL learners, with instant grading and teacher dashboards that deliver real‑time performance data, classroom competitions, and ready‑made resources for lesson planning.

The Prompt Index centralizes 700+ curated prompts for GPT‑4, Claude 4, Gemini, offering tools like Prompt Generator, Optimizer, AI Humanizer, Skill Generator, and an AI Labs sandbox for testing 300+ models. It supports slide generation, CV building, and collaborative sharing.

PromptBox is an AI‑driven platform that lets users create, store, and reuse text prompts across mobile and desktop with cloud sync and team collaboration. It offers unlimited prompt generation, tagging, and keyboard shortcut integration.

Promptessor is an AI tool for analyzing and optimizing prompts, offering scoring metrics, effectiveness insights, and feedback. It supports text, image, and URL uploads, with features for progress tracking and multilingual support to enhance prompt quality.