AI & Machine Learning Directory
Browse top AI and machine learning tools — LLM APIs, agent frameworks, image generators, voice platforms, and AI-powered search engines.
Featured Picks
LangChain
FeaturedBuild LLM-powered applications
LangChain is the most widely used framework for building applications powered by large language models. It provides composable chains, agents, and retrieval-augmented generation (RAG) primitives. Supports all major LLM providers and has a large open-source ecosystem.
CrewAI
FeaturedMulti-agent collaboration framework
CrewAI enables developers to orchestrate role-playing AI agents that collaborate to complete complex tasks. It provides a simple YAML-based or Python API to define crews of agents with distinct roles, goals, and tools. Widely adopted for enterprise AI automation.
n8n
FeaturedAI workflow automation with code control
n8n is an open-source workflow automation platform with 400+ integrations and native AI nodes for LLM chains, vector stores, and agents. It offers both self-hosted and cloud versions, giving developers full control over their automation logic.
OpenAI API
FeaturedGPT-4o, o1, and embeddings API
OpenAI's API provides access to GPT-4o, o1, o3-mini, DALL-E 3, Whisper, and embeddings. It is the most widely integrated LLM API with robust documentation, function calling, and streaming support. The Assistants API enables stateful agent-like behavior.
Anthropic API
FeaturedClaude models with extended context and tool use
The Anthropic API provides access to the Claude family of models, known for long context windows (up to 200K tokens), strong reasoning, and built-in tool use. Claude excels at analysis, coding, and agentic tasks with a safety-focused design.
Groq
FeaturedBlazing fast LLM inference
Groq delivers the fastest LLM inference available, using custom LPU hardware to run Llama, Mixtral, and Gemma at speeds exceeding 500 tokens/second. It is ideal for real-time applications and agents that require low-latency responses.
ElevenLabs
FeaturedThe most realistic AI voice platform
ElevenLabs provides best-in-class AI voice synthesis and cloning, supporting 29+ languages with emotional range. Its API powers voice-overs, audiobooks, podcasts, and conversational AI. Voice cloning requires only a short audio sample.
All Tools (12)
AutoGPT
Autonomous AI agents for any task
AutoGPT is one of the first open-source autonomous AI agent frameworks, enabling GPT-4 to act, plan, and execute multi-step tasks with memory and tool use. It spawned the autonomous agent movement and is actively maintained with a cloud platform.
Dify
Open-source LLM app development platform
Dify is a production-grade LLM application development platform with a visual workflow builder, RAG pipelines, agent tools, and model management. It supports self-hosting and cloud deployment, making it popular for teams building internal AI tools.
Flowise
Drag-and-drop LLM flow builder
Flowise is an open-source low-code tool for building LangChain and LlamaIndex flows with a visual drag-and-drop interface. It lets non-developers create chatbots, RAG pipelines, and agents without writing code. Easy to self-host with Docker.
Together AI
Open-source LLMs at scale
Together AI provides serverless and dedicated inference for 100+ open-source models including Llama 3, Mistral, and Qwen. It offers fine-tuning, embeddings, and image generation APIs at competitive prices with no minimum commitment.
Mistral AI
European frontier AI models
Mistral AI offers both open-weight models (Mistral 7B, Mixtral 8x7B) and proprietary frontier models (Mistral Large) via API. Known for efficiency and strong performance per parameter, with a GDPR-compliant European infrastructure.
Hugging Face
The AI community platform
Hugging Face is the central hub for open-source AI, hosting 500K+ models, datasets, and Spaces demos. Its Inference API lets developers run transformer models at scale, while the Hub provides version control and collaboration for ML artifacts.
Midjourney
AI art generation via Discord
Midjourney is the leading AI image generator known for its highly aesthetic, painterly outputs. Accessed via Discord or its web interface, it produces stunning artwork, concept art, and photorealistic images from text prompts. Preferred by artists and designers.
DALL-E 3
OpenAI's image generation model
DALL-E 3 is OpenAI's image generation model, available via ChatGPT Plus and the OpenAI API. It excels at following detailed prompts accurately and integrates natively with GPT-4 for prompt refinement. Ideal for developers building image generation into apps.
Stable Diffusion
Open-source image generation
Stable Diffusion is the foundational open-source image generation model by Stability AI. It can run locally on consumer GPUs and has spawned thousands of fine-tuned variants via Civitai and Hugging Face. SDXL and SD3 offer state-of-the-art quality.
Perplexity AI
AI-powered answer engine
Perplexity is an AI-powered search engine that provides cited, real-time answers by searching the web. It combines LLM reasoning with live web retrieval, making it ideal for research, fact-checking, and staying current on fast-moving topics.
You.com
AI search with privacy controls
You.com is an AI search engine with a focus on user privacy and customization. It offers web search, code mode, and a research assistant powered by multiple LLMs. Users can control which sources and AI models are used for their searches.
OpenAI Whisper
Open-source speech recognition
Whisper is OpenAI's open-source speech-to-text model that approaches human-level accuracy in English and supports 99 languages. It runs locally or via the OpenAI API, handling accents, background noise, and technical vocabulary reliably.