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The GitHub of AI — host, discover, and collaborate on 500K+ models, datasets, and AI apps

Run Llama, Mistral, Gemma, and 100+ open AI models locally on your Mac, Windows, or Linux machine

Desktop app to discover, download, and run local LLMs with a ChatGPT-style UI and a local API server

MLOps platform for tracking experiments, visualizing training runs, and collaborating on ML models

Open-source TypeScript toolkit for building AI-powered web apps with streaming, tool use, and any model

Visual research tool that maps academic papers into a graph — find related work you would never have found searching

AI literature discovery tool that maps your paper collection and suggests what to read next

Run and deploy open-source AI models via API — thousands of models with no infrastructure setup

Ultra-fast AI inference API running Llama, Mistral, and Gemma at 800+ tokens per second

Free browser-based IDE for prototyping with Gemini models — test prompts, tune parameters, and get API keys

Open-source LLM app development platform — build, deploy, and manage AI workflows and chatbots at scale

Open-source LLM observability — trace, debug, and evaluate AI applications in production

The world's most popular language learning app with AI-driven lessons, roleplay conversations, and video calls

AI lesson plan generator for teachers that creates complete plans by grade and subject

Samsung Galaxy's built-in AI features for writing, translation, photo editing, and more

AI tutoring platform that gives students instant, personalized explanations for any subject

Free AI academic search engine with 220M+ papers and semantic understanding of scientific concepts

Khan Academy's AI tutor that guides students through problems with questions rather than giving answers

AI study assistant that creates personalized quizzes, flashcards, and practice tests from any content

Cloud platform for running and fine-tuning open-source AI models at scale with competitive pricing

Serverless GPU platform for running image, video, and audio AI models with millisecond cold starts

Open-source all-in-one AI app — build a private ChatGPT with your own documents and any LLM model

Sonar API — access Perplexity's real-time web search models in your application with citations included

OpenAI's browser sandbox for testing GPT-4o, o3, and all OpenAI models before building with the API

The most popular open-source framework for building LLM-powered apps with chains, agents, and RAG

Open-source data framework for connecting LLMs to your data — index, query, and build RAG applications

Open-source visual builder for LangChain apps — drag-and-drop AI pipelines and chatbots without code

Computer vision platform — label images, train models, and deploy object detection apps without ML expertise

Open-source LLM gateway — one line of code to log, monitor, and optimize all your AI API calls

AI English pronunciation coach that gives real-time phoneme-level feedback on your speaking accuracy

AI language speaking practice app — have real conversations with an AI tutor in 15+ languages

AI speech and communication coach — real-time feedback on filler words, pacing, eye contact, and clarity

Upload any research paper and highlight confusing passages — AI explains them in plain language instantly

AI research paper summarizer that creates flashcard-style summaries with extracted key claims and references

Curated library of the best AI prompts for ChatGPT, Midjourney, and other AI tools

Chat with any PDF — ask questions and get answers with page citations from any document instantly

AI data labeling and RLHF platform used by OpenAI, Meta, and top AI labs to train frontier models

AI research navigator that maps the scientific landscape around any topic and surfaces the most relevant papers

AI21's hybrid SSM-Transformer language model — 256K context window with efficient long document processing

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Free AI-powered visual field screening test you can take at home in under 10 minutes

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