Free AI Tools
63 tools with a genuinely free tier
Agno, formerly known as Phidata, is an open-source framework for building AI agents with memory, tools, and reasoning, aimed at developers who want a simpler alternative to heavier agent frameworks.
Alice is Yandex's conversational AI assistant, widely used across Russia for voice search, smart speakers, and everyday conversational queries in Russian.
AlphaFold predicts the 3D structure of proteins from their amino acid sequence with remarkable accuracy, a breakthrough scientific tool freely available to biology and medical researchers worldwide.
Arena, formerly known as LMArena and originally LMSYS Chatbot Arena, lets users vote on blind head-to-head comparisons between AI models, producing widely cited public leaderboards of model quality.
Artificial Analysis compares language models across quality, price, latency, and throughput in one place, aimed at developers deciding which model provider to build on.
AutoGen is an open-source framework from Microsoft Research for building applications where multiple AI agents converse with each other to solve tasks collaboratively.
Be My Eyes lets blind and low-vision users point their camera at anything and get an instant AI description, alongside its original feature connecting users with sighted volunteers.
Bittensor is an open-source protocol where machine learning models across a decentralized network compete and collaborate to produce valuable outputs, earning token rewards based on the value they contribute.
Chatbot UI is an open-source chat interface that developers can self-host and connect to various language model APIs, aimed at teams who want control over their own ChatGPT-style front end.
Chroma is a simple, Python-first open-source vector database aimed at developers prototyping AI applications before scaling to a larger managed solution.
Cleanup.pictures lets users paint over unwanted objects in a photo and automatically fills in the background, aimed at quick, free object removal without a full photo editor.
ComfyUI lets users visually wire together nodes to build custom image and video generation pipelines on top of Stable Diffusion and other open models, popular among power users wanting fine-grained control.
Compose AI is a browser extension that suggests autocomplete text as users type in emails and other web forms, aimed at speeding up everyday writing without switching to a separate AI tool.
CreateEasily transcribes audio and video files into text for free, aimed at podcasters and video creators who need accurate transcripts without a paid subscription.
EbSynth takes a single hand-painted or stylized frame and propagates that style across an entire video sequence using AI, popular for rotoscope-style animated music videos.
Gist AI generates quick summaries of web pages, YouTube videos, and PDF documents, aimed at people who want the key points without reading or watching the whole thing.
GOSH tracks the price of products across many online stores using AI, alerting users when an item they're watching drops in price.
Haystack, built by deepset, is an open-source Python framework for building search, question-answering, and retrieval-augmented generation pipelines on top of language models.
Hexabot lets teams build multilingual, multi-channel AI chatbots without coding, offered as an open-source platform for businesses wanting more control than closed chatbot builders.
Jan is an open-source desktop app for chatting with local, offline AI models, aimed at users who want a private ChatGPT-style interface without sending data to the cloud.
Kazimir.ai indexes and lets users search across a large collection of AI-generated images, aimed at creators looking for style inspiration or examples of what different models produce.
Komo AI answers search queries with short, direct AI-generated responses rather than a page of links, aimed at users who want a fast answer engine experience.
Langfa.st is a lightweight playground for quickly testing and sharing AI prompt templates without needing to create an account, aimed at fast prompt iteration.
LiteLLM lets developers call over a hundred different LLM APIs using a single, OpenAI-compatible format, simplifying the process of switching or comparing model providers.
LM Studio lets users download and run open-source language models directly on their own computer through a simple desktop interface, without needing cloud API access.
LMQL is a programming language that lets developers write structured, constrained queries against large language models, aimed at more reliable and controllable LLM outputs than plain prompting.
Merlin Bird ID identifies birds from photos or their song using AI, built by the Cornell Lab of Ornithology and offered free as part of its birdwatching research mission.
Meta AI is Meta's general-purpose chatbot, built into Facebook, Instagram, and WhatsApp as well as a standalone app, offering chat, image generation, and voice conversation for free.
Meta AI Imagine generates images from text prompts and lets users edit and restyle their own photos, built into Meta's apps and offered as a standalone free web tool.
Milvus is an open-source vector database designed to handle billions of embeddings, aimed at large-scale production AI search and recommendation systems.
MLflow is an open-source tool for tracking experiments, packaging models, and managing deployment across the machine learning lifecycle, widely used as a free foundation for MLOps.
Namelix generates business name ideas based on keywords and style preferences, and shows a matching logo concept alongside each suggested name.
Ollama packages open-source language models to run locally with a single command, aimed at developers who want to experiment with or build on open models without cloud infrastructure.
Papago translates text, images, and speech across many languages with particular strength in Korean, Japanese, and Chinese, built by Korean internet company Naver.
Papers with Code catalogs machine learning research papers alongside their open-source implementations and benchmark results, aimed at researchers and engineers tracking the state of the art.
Particle summarizes news stories by pulling together coverage from multiple outlets into a single AI-generated summary, aimed at readers who want a quick overview before diving into a full article.
Pi, built by Inflection AI, is a personal AI assistant designed around a warm, emotionally attentive conversational style rather than pure productivity tasks, available free across web and mobile.
PlantNet identifies plant species from photos using AI trained on a large scientific image database, run by a consortium of research institutions rather than a commercial company.
Portia AI is an open-source framework for building AI agents that explain their planned actions and share progress as they work, aimed at developers who want more visibility into agent behavior than typical black-box agents.
Roam Around generates a day-by-day travel itinerary based on a destination and trip length, aimed at travelers who want a quick starting plan they can then customize.
Semantic Kernel is Microsoft's open-source SDK for integrating language models and plugins into applications, aimed at .NET, Python, and Java developers building enterprise AI agents.
ShareGPT lets users publish and browse ChatGPT conversation transcripts, aimed at people who want to share interesting prompts and AI responses with others.
SuperCook suggests recipes based on the ingredients a user already has on hand, aimed at reducing food waste and simplifying the question of what to cook.
Tabby is an open-source code completion tool that teams can self-host on their own infrastructure, aimed at organizations that want AI coding assistance without sending code to a third party.
TensorZero unifies an LLM gateway, observability, and optimization tooling into one open-source framework, aimed at teams building and iterating on production-grade LLM applications.
Unsloth is an open-source library that speeds up fine-tuning of open language models while using significantly less memory, aimed at developers customizing models on limited hardware.
The Vercel AI SDK provides libraries for streaming AI responses and building chat interfaces in JavaScript and TypeScript apps, aimed at web developers adding AI features to existing frameworks.
Vheer offers a collection of free AI tools for image generation, face swap, and short video creation, aimed at users who want to try AI creative tools without a subscription.
vLLM is an open-source library for serving large language models with high throughput, widely used by companies self-hosting open models in production.
Vocode is an open-source developer framework for building real-time voice AI agents, letting teams self-host and customize their voice stack rather than using a closed platform.
Aider is a command-line tool that edits code across a local git repository based on natural-language requests, committing changes as it goes, popular among developers who prefer terminal workflows.
Andi answers search queries conversationally rather than returning a list of links, aimed at users who want a private, ad-free alternative to traditional search engines.
AutoDraw recognizes what a user is trying to sketch and suggests matching professional icon-style drawings to swap in instantly. It's a free, no-signup tool aimed at quick doodles rather than complex artwork.
AutoGPT is an open-source platform for building and running AI agents that break a goal into subtasks and execute them with minimal supervision, popular among developers experimenting with agentic workflows.
Cline is a VS Code extension that can autonomously read, edit, and run code across a project, letting developers choose which underlying AI model powers the agent.
Continue is an open-source extension that adds customizable AI chat and code-editing capabilities to VS Code and JetBrains IDEs, letting developers choose their own underlying model.
Dia, from The Browser Company, is a web browser with an AI assistant built into the address bar that can summarize open tabs, answer questions, and take actions across websites.
Aria is Opera's built-in AI assistant, letting users ask questions, summarize pages, and generate content directly from the browser sidebar without installing extra extensions.
ResearchRabbit recommends related papers and visualizes citation networks as researchers build a collection, aimed at making literature discovery feel more like a personalized recommendation feed.
Semantic Scholar indexes hundreds of millions of academic papers and uses AI to generate summaries and highlight influential citations, offered free by the nonprofit Allen Institute for AI.
Stable Diffusion is an open-source image generation model from Stability AI that can be run locally, self-hosted, or accessed through various third-party apps. Its open weights make it popular for custom fine-tuning and integration into other tools.
Trae is an AI-first code editor with agentic coding features for generating, editing, and debugging across a project, built by ByteDance as a free entrant into the AI IDE space.
TTSMaker converts typed text into downloadable speech audio for free, across a range of languages and voices, aimed at users who need occasional narration without signing up for a subscription tool.