Best Free AI Tools for Developers

Cursor IDE

AI-first code editor built on VS Code.

Cursor is a VS Code fork with deep AI integration—multi-file edits, codebase chat, and instant refactors. Free tier: 2000 completions/month.

GitHub Copilot

AI pair programmer inside VS Code.

GitHub Copilot autocompletes code, writes tests, explains errors, and suggests entire functions—right inside your editor.

v0 by Vercel

AI UI component generator.

v0 generates React + Tailwind UI components from text prompts. Copy the JSX straight into your project. Free tier: 200 credits/month.

Bolt.new

Full-stack AI app builder in the browser.

Bolt.new scaffolds, runs, and deploys full-stack web apps from a text prompt—no local setup, instant preview, supports React, Vue, and more.

Codeium

Free AI autocomplete for 70+ languages.

Codeium provides unlimited AI code completions for 70+ languages in VS Code, JetBrains, Vim, and more—forever free for individuals.

Hugging Face

The GitHub of AI models and datasets.

Hugging Face hosts 500,000+ open-source AI models, datasets, and Spaces. Deploy models via free Inference API with 30,000 requests/month.

OpenAI API

GPT-4o and DALL-E via API.

OpenAI's API gives developers access to GPT-4o, DALL-E, Whisper, and embeddings. New accounts get $5 free credit to start building AI-powered apps immediately.

Replicate

Run AI models via a simple API.

Replicate lets you run thousands of open-source AI models via a simple API call — image generation, LLMs, video, audio. Free tier: $0.01 credit on sign-up.

Groq

Fastest LLM inference API — free tier.

Groq delivers ultra-fast LLM inference for Llama 3, Mixtral, and Gemma models. Free tier: 14,400 requests/day with the fastest response times available anywhere.

Anthropic API

Claude AI for developers.

Anthropic's API provides access to Claude 3 Haiku, Sonnet, and Opus. New accounts receive $5 free credit. Ideal for building safe, reliable AI applications.

Zapier

Connect 6,000+ apps with AI automation.

Zapier automates workflows between 6,000+ apps with triggers, actions, and AI steps. Free: 100 tasks/month.

Bardeen AI

Browser automation with AI.

Bardeen automates browser tasks—scraping, form-filling, and data transfer—using natural language commands. Free: 1 automation/day.

Activepieces

Open-source Zapier alternative.

Activepieces is a modern open-source automation tool. Self-host for free or use the cloud. 100+ integrations with AI flow steps built in.

n8n

Open-source workflow automation.

n8n is a self-hostable workflow automation tool with 400+ integrations and AI nodes. Run locally for unlimited free automations.

Make (Integromat)

Visual workflow automation platform.

Make (formerly Integromat) offers a visual drag-and-drop workflow builder with 1,500+ app integrations. Free: 1,000 ops/month.

AutoGPT

Open-source autonomous AI agent framework.

The original open-source autonomous agent. AutoGPT chains GPT-4 tasks automatically to achieve long-horizon goals with file/web access.

AgentGPT

Run autonomous AI agents in your browser.

Deploy goal-driven AI agents that browse the web, write code, and execute multi-step plans—all from your browser with no setup required.

Flowise AI

Drag & drop LLM app builder.

Build LLM-powered chatbots and agents visually. Flowise provides a no-code drag-and-drop canvas for chaining AI tools and data sources.

SuperAGI

Open-source autonomous AI agent platform.

SuperAGI lets you spawn, manage, and deploy autonomous agents with tool integrations, a GUI, and performance telemetry—fully self-hostable.

Cognosys

Web-based AutoGPT with clean UI.

Cognosys provides a polished interface for running autonomous AI agents—set a goal, watch it research, plan, and execute tasks automatically.

Julius AI

Chat with your data using AI.

Julius AI lets you upload CSV, Excel, or Google Sheets and ask questions in plain English. It auto-generates charts, runs statistical analysis, and explains insights. Free tier: 15 queries/month.

Obviously AI

No-code AI predictions from your data.

Obviously AI builds and deploys machine-learning prediction models from your spreadsheet in minutes. No coding required. Free trial available.

Akkio

AI analytics and forecasting for teams.

Akkio turns business data into actionable AI predictions and dashboards. Connect your CRM or spreadsheet and build forecasting models without code. Free trial available.