Best Free Ai Coding Tools

C

ChatGPT

Free tier available

OpenAI's AI assistant with coding agent, canvas editor, and frontier model access for software development

Switching Cost: drop-in

C

Claude

Free tier available

Anthropic's AI assistant with extended thinking, Claude Code CLI, and agentic coding for software development

Switching Cost: drop-in

C

Cline

Free tier available

Open-source autonomous AI coding agent for VS Code and JetBrains with MCP support and BYOK

Switching Cost: drop-in

C

Codebuff

Free tier available

Open-source multi-agent AI coding assistant for the terminal with pay-as-you-go credits and subscription plans

Switching Cost: drop-in

C

Crof

Free tier available

AI model aggregator with unified API access to MoonshotAI, Google, DeepSeek, Qwen and other providers for coding workflows

Switching Cost: drop-in

C

Cursor

Free tier available

AI-powered code editor with agent mode, tab completions, frontier model access, and cloud agents

Switching Cost: drop-in

D

Devin

Free tier available

Autonomous AI software engineer that plans, codes, debugs, and deploys with concurrent sessions

Switching Cost: drop-in

F

Freebuff

Free tier available

Free ad-supported AI coding agent for the terminal — the free variant of Codebuff with no subscription or credits required

Switching Cost: drop-in

G

Gemini

Free tier available

Google's AI assistant with Gemini 2.5 Pro, code generation, and deep research for software development

Switching Cost: drop-in

G

GitHub Copilot

Free tier available

AI pair programmer with code completions, chat, agent mode, code review, and cloud agents across IDEs

Switching Cost: drop-in

H

Hugging Face

Free tier available

ML platform with model hub, inference API, Spaces hosting, and ZeroGPU access for AI-assisted development

Switching Cost: moderate

O

Ollama

Free tier available

Local-first AI platform with cloud model access, CLI/API/desktop apps, and 40,000+ community integrations for coding

Switching Cost: drop-in

O

OpenCode Go

Free tier available

Affordable agentic coding platform with access to top open-source models including GLM-5, Kimi K2.5, MiMo, and Qwen

Switching Cost: drop-in

R

Raycast

Free tier available

Productivity launcher for macOS with AI assistant, clipboard history, snippets, and extensions

Switching Cost: moderate

R

Replit

Free tier available

AI-powered cloud IDE with autonomous coding agent, instant deployments, and collaborative workspaces

Switching Cost: moderate

r

routing.run

Free tier available

AI model router with unified API access to DeepSeek, Qwen, Gemma, GLM, Kimi, and MiniMax models for coding

Switching Cost: drop-in

W

Warp

Free tier available

AI-powered terminal with cloud agents, codebase indexing, and collaborative session sharing

Switching Cost: drop-in

W

Windsurf

Free tier available

AI-powered IDE (formerly Codeium) with agentic coding, tab completions, and premium model access

Switching Cost: drop-in