Open Source Gpt
The best 50 Open Source Gpt AI tools - Free & Paid
Explore 50 AI for Open Source Gpt
SecureGPT is a free platform for security testing OpenAI ChatGPT plugins.
Free
FreedomGPT unifies access to 400+ AI models, showing side‑by‑side answers for voting and auto‑selection via leaderboard. It keeps privacy safe, runs on Windows/macOS, and is open‑source for community contribution and collaboration.
Free
OpenGPT lets users build ChatGPT‑based applications instantly using a library of ready‑made AI tools for productivity, copywriting, coding, entertainment, and education. The platform offers prompt‑to‑code conversion, regex creation, and tools that refine prompts and transform requests into actionabl
Free
GPT Repo hosts 400+ curated GPT models in an open‑source repository. Users can search, filter, compare, and submit their own GPTs. It integrates with workflows and offers community support via Discord.
Free
OpenAssistantGPT is an open‑source SaaS that lets you build no‑code AI chatbots for websites. It auto‑crawls a URL, supports GPT‑4/3.5, handles file attachments, SAML/SSO, API calls, and web search, with GitHub source and Vercel SDK.
Freemium
- $18/mo
ChatGPT is an AI chatbot based on large language models family created by OpenAI for general purpose chat that allows users to ask any question or prompt to AI, making it a useful tool for many writing processes.
Freemium
- $20/mo
Related topics:
🔍 gpt-3 extension
🔍 gpt-4 tool
🔍 gpt-3 tool
🔍 gpt-command
🔍 gpt technology
🔍 promind gpt
GPT Translator offers real-time translation for text, documents, and websites in 95+ languages. It supports various file formats, preserves formatting, includes automatic language detection, and features batch processing for efficient multilingual content management.
Freemium
CodeGPT plugs into VS Code and JetBrains IDEs, offering AI‑driven coding, refactoring, and debugging. It scans entire codebases, produces implementation plans, suggests incremental edits, and supports multiple models while keeping data local with BYOK and threat‑detection safeguards.
Freemium
- $8/mo
gpt-oss playground provides open-weight demos of gpt-oss-120b and 20b for infrastructure testing, distributed and on-device inference, benchmarking, API integration, and reproducible research, with adjustable reasoning levels and visible-reasoning for diagnostics. Demo-only; validate outputs.
Freemium
GPT-4 Powered Changelog simplifies creating and managing software development projects by automatically generating changelogs from various sources and allowing for customization and publication.
Freemium
- $50
ZeroGPT is a comprehensive AI tool suite offering advanced features for content detection, text refinement, and translation, including AI detection, plagiarism checking, humanization, and summarization.
Freemium
- $7.99/mo
GPTZero AI Detector scans documents for potential AI-generated content, providing in-depth results on AI probabilities, vocabulary analysis, and hallucination detection, as well as plagiarism checking and authorship verification capabilities.
Freemium
- $12/mo
GPTPlus is a browser extension featuring GPT-4 and GPT-3.5 technologies. It provides an integrated ChatGPT assistant within a sidebar for writing, translation, code analysis, prompts, templates, and custom queries, boosting productivity in content generation and SEO optimization tasks.
Freemium
GPTunneL aggregates ChatGPT, Claude, Gemini, MidJourney, Suno and other models into a single interface for Russian-language text, image, audio and video generation. It offers assistants, prompt libraries, APIs, usage tracking and creative tools.
Freemium
editGPT is a Chrome extension that turns ChatGPT into a writing assistant. It provides real‑time grammar, style, and rewriting support in 80+ languages, preserves formatting, tracks changes, and manages revisions.
Free
- $10/mo
GPT for Slides is a Google Slides add‑on that builds complete decks from a topic, URL, PDF, or text in under a minute, adding AI‑generated images, data visuals, quizzes, and multilingual translation, saving design time.
Freemium
- $8/mo
BypassGPT rewrites AI‑generated text into natural, human‑like language, bypassing detection systems. One‑click humanizer preserves meaning, adds conversational tone, supports multiple languages, and works online on all devices for quick, confidential editing.
Paid
GPTGO blends Google search with ChatGPT, presenting results and AI‑generated summaries in 100+ languages. Users get concise answers beside each result, can copy or download, and access the tool on desktop, mobile, or tablet without registering.
Free
Longshot AI's FactGPT feature generates user-sourced and factually accurate content for current events, opinions, product reviews, comparisons and more, with personalization options and access to citations.
Freemium
- $19/mo
Demo of Custom GPTs lets users upload papers and other data, link them via the left interface, and query a tailored GPT. It requires an OpenAI key, works best on a large screen, aiding researchers, developers, and educators.
Freemium
Poe.com is a web tool for chatting with multiple AI models from one interface. It offers free quota to chat with ChatGPT and GPT4, and the quota renews daily.
Freemium
ChainIntelGPT is a sophisticated search engine tool that uses natural language processing to provide insights on crypto and blockchain data in real-time. It simplifies complex information and maximizes productivity.
Free trail
GlobalGPT is a comprehensive AI service hub providing over 100 specialized agents for tasks like content creation, social media management, academic assistance, and software development, including advanced features like text-to-video conversion and personalized planning tools.
Free
OpenAI’s ChatGPT Images, powered by GPT Image 1.5, elevates creative workflows by offering rapid, precise image generation and editing directly within ChatGPT. It’s a versatile tool for visual content creation and design.
Freemium
WhitePaperGPT is a Chrome extension that automates white‑paper creation by collecting, storing, and organizing web‑content snippets into folders, providing version control and custom formatting to produce cohesive, context‑accurate documents for researchers, marketers, and technical writers.
Freemium
GPT Workspace enhances productivity within Google Workspace by automating tasks such as email composition, content generation, and presentation creation. It offers smart features for data analysis in Sheets and writing assistance in Docs while ensuring user data privacy.
Freemium
- $9/mo
A minimal generic autonomous agent based on GPT-3.5 / GPT-4 that can analyze stock prices, perform network security tests, create art, and order pizza.
Free
NewsGPT delivers real‑time, accurate global news across sports, business, war, technology, politics, and U.S. topics, generating concise articles instantly. Its advanced search and filtering help journalists, researchers, students, and professionals quickly locate and analyze up‑to‑date stories.
Subscription
SlidesGPT converts blog posts, PDFs, or custom prompts into polished slide decks in seconds. It auto‑formats slides, generates visuals, and exports to PowerPoint, Google Slides, or PDF. Developers can integrate bulk creation through an API.
Freemium
GPT is an AI-powered tool that generates hashtags for Instagram, TikTok, and YouTube Shorts to increase visibility and engagement on these platforms.
DiagramGPT turns natural‑language prompts into architecture, sequence, BPMN, flowchart, ERD, and cloud diagrams. Users pick templates, view use‑case videos, edit in code‑based Eraser, and export to documentation tools. Collaboration, dark mode, and API support are included.
Freemium
GPT‑AdBlocker is a Chrome extension that uses GPT‑4 to detect and remove pre‑roll ads, banners, pop‑ups, and tracking scripts such as Google Analytics. It provides a single background toggle and an optional video‑ad blocker.
Freemium
GPTExcel automates spreadsheet tasks in Excel, Google Sheets, LibreOffice, and Airtable. It generates formulas, scripts, SQL, regex, builds pivot tables, charts, and reports, offers conversational data queries, and OCR table conversion across 50+ languages.
Freemium
BacklinkGPT is an AI-powered tool that simplifies link building through one-click prospecting, contact info discovery, personalized outreach messages, and efficient campaign management for improved Google page ranking.
Freemium
- $49.99/mo
The CodeGPT IntelliJ IDE Plugin is an AI-driven coding tool that offers text completion, chat functionality, custom prompts and code actions, reviewing past conversations, restoring previous sessions, and privacy settings.
GPTAnywhere is a desktop client that lets users chat offline with GPT‑3.5‑turbo and GPT‑4, maintain conversation history, query local files (txt, pdf, docx, ppt, csv, json) via LangChain, and use split view, markdown, shortcuts, auto‑save, and terminal commands for multitasking.
Subscription
AutoGPT is an open-source AI tool that revolutionizes natural language processing and automates various tasks.
Free
FileGPT lets users query PDFs, DOCs, text, audio, YouTube, and web pages via GPT, extracting and consolidating information across multiple sources. It supports large documents, handwritten text, and delivers concise, cross‑source answers for researchers, students, and managers.
Freemium
ZeroGPT is a web‑based AI detector that evaluates text for content from models like ChatGPT, GPT‑4, Claude, and more, delivering a percentage score. It accepts up to 2,000 words paste, unlimited uploads, runs locally, and offers a Chrome extension.
Freemium
Interact privately with documents using the power of GPT and LLMs for 100% private and offline communication without data leaks.
Free
GPT‑4o is a multimodal AI that processes text, images, and audio in real time, delivering fast, context‑aware responses for dialogue, image analysis, and voice recognition. It supports developers, content creators, researchers, and enterprises across devices.
Paid
GPT‑Prompter is a Chrome extension that brings GPT‑3/4 and ChatGPT API directly into any webpage. It highlights selected text for instant explanations, supports pre‑made and custom prompts, and streamlines drafting for researchers, writers, and developers.
Free
Gptkit is an AI tool that detects and classifies human-written and machine-generated text using a multi-model approach with accuracy up to 93%.
Freemium