Best LeetLLM Alternatives in 2025
-

Generate API endpoints and retrieve JSON data with JSON Data AI. Customizable structure, endpoint creation, and automation tasks made easy.
-

JsonGPT API guarantees perfectly structured, validated JSON from any LLM. Eliminate parsing errors, save costs, & build reliable AI apps.
-

Mockthis is an app that allows you to create Mocks of data or classes in any programming language using AI. this project is 100% free and open source.
-

Enhance testing productivity and efficiency with teste.ai. Generate comprehensive test plans, automate test case generation, and validate software functionality. Boost your software quality now!
-

Jsonify is a smart AI that can browse, monitor, extract and synchronize data.
-

Lek.ai is an AI toolkit which generates content with artificial intelligence. There are over 25 use cases in lek.ai to help you write anything for everything.
-

DeGen.AI helps data engineers generate, augment, protect, and analyze structured and unstructured data using powerful Generative AI tools. No code, just results—ideal for building, testing, and scaling AI-ready datasets.
-

Build AI apps and chatbots effortlessly with LLMStack. Integrate multiple models, customize applications, and collaborate effortlessly. Get started now!
-

Generate text with industry leading privacy, quality and cost. Realistic text generation is now possible
-

Find the perfect prompt for ChatGPT, Midjourney, and Dall-e 3 with Labescape's advanced features. Tailored prompt generation at your fingertips.
-

Save more time by automatically generating SQL queriesbased on your database schema
-

Unlock the full potential of LLM Spark, a powerful AI application that simplifies building AI apps. Test, compare, and deploy with ease.
-

Snaplet Seed is an AI-powered tool that lets developers automatically seed their relational databases with realistic, production-like mock data using Typescript.
-

Discover how Aqueduct's LLM support simplifies running open-source LLMs on your infrastructure. Run LLMs effortlessly with just one API call!
-

AI-powered testRigor builds ultra-stable, end-to-end tests in plain English, 100x faster. Cut maintenance by 99.5% & accelerate your deployments.
-

TestDriver revolutionizes software testing by leveraging Agentic User Testing (AUT) to automate and scale the QA process. Unlike traditional testing frameworks that rely on brittle selectors and limited headless browsers, TestDriver employs AI-powered agents that simulate real user interactions, providing comprehensive coverage and reducing maintenance overhead.
-

Keploy is an AI-powered testing tool that specializes in creating test cases and generating stubs/mocks for end-to-end testing.
-

Snowglobe: AI conversation simulation for LLM chatbots. Test at scale, uncover risks, generate data, & ship reliable AI faster.
-

LambdaTest: The AI testing cloud for dev & QA. Accelerate software testing, automate across 3000+ browsers/devices, and ship faster with confidence.
-

Experience the future of AI-driven content generation with AI Generating. Generate high-quality content effortlessly, with AI Generator and more.
-

Databasesample's AI Database Generator simplifies database design. Automatically creates schemas, offers open-source access and a sandbox. Ideal for devs, students & analysts. Export SQL scripts. Revolutionize your database design!
-

TestGrid: AI-powered testing. Ship flawless software faster! Codeless automation, 1000+ devices. Reduce testing time & improve quality.
-

Testim: AI-powered test automation. Fast, stable web & mobile testing. Reduce maintenance & release faster.
-

Generate quizzes from any text with Questgen, an AI-powered tool for teachers, schools, HR teams, publishers, and edtech companies. Save time and create assessments at scale.
-

BulkChat is an AI content generation software that enables batch processing of ChatGPT requests for bulk content creation. Increase productivity with lightning-fast processing and customize AI workflows for SEO, marketing, and HR strategies.
-

Thousands of developers use Streamlit as their go-to platform to experiment and build generative AI apps. Create, deploy, and share LLM-powered apps as fast as ChatGPT can compute!
-

Isomeric revolutionizes web scraping with AI - powered JSON extraction. No coding needed. Effortlessly extract data from any website, adapt to changes, and enjoy high accuracy.
-

Testsigma: AI-powered test automation for web, mobile, & API. 10x faster cycles with no-code tests & self-healing. Boost quality, reduce effort!
-

NotHotDog is a testing tool for LLM Powered APIs - suitable both for voice and text apis.Test latency, record, store voice/string test cases and simplify API testing with NotHotDog - the Postman for LLM powered APIs.
-

Bugster: AI-powered testing that creates & maintains tests from user flows. Ship stable software faster with less manual effort.
