Aider is a terminal-based AI coding assistant that sits inside your existing project and makes git-committed code changes on your behalf. It supports 50+ LLMs including local Ollama models.
Codeium
The best free Copilot alternative that actually holds its own -- if you refuse to pay for code completion, Codeium is your only real option.
What is Codeium?
Free AI code completion engine that rivals GitHub Copilot without the $10/mo price tag. Works with VS Code, JetBrains, Vim, and 40+ editors. Fast completions with strong privacy -- your code never trains their models. Best for devs who want AI autocomplete without paying.
Why we scored it
The best free Copilot alternative that actually holds its own -- if you refuse to pay for code completion, Codeium is your only real option.
Pros
- +Truly generous free tier
- +Low latency autocomplete
- +Strong privacy posture
- +Supports a wide range of IDEs
- +Your code is never used to train models, unlike some competitors
Cons
- −Code quality can be inconsistent
- −Less context awareness than Claude Code
- −Lacks advanced refactoring features
- −Fewer agentic capabilities
- −Chat feature is basic compared to Cursor or Copilot Chat
How much does Codeium cost?
Generous free tier for individuals. Teams start at $12/user/mo. Enterprise custom.
Best alternatives to Codeium.
Same AI coding category, ranked by BigBang Score. Click any to compare side-by-side.
Lovable is an AI full-stack engineer that allows users to build production-ready web applications through conversational prompts. It handles everything from database schemas to UI components, making it a strong alternative to Bolt for vibe coding.
AI-native code editor forked from VS Code that understands your entire codebase. Offers inline completions, multi-file edits, and chat powered by GPT-4, Claude, and other LLMs. Built for pro developers who want AI in every keystroke, not bolted on as a sidebar.
A cloud-based IDE that integrates an AI agent (Ghostwriter) to assist in coding, debugging, and deploying directly from the browser. It is a collaborative platform that handles devops automatically.
Windsurf (by Codeium) is an agentic AI IDE that goes beyond autocomplete - its Cascade agent mode can plan, execute, and debug multi-step coding tasks autonomously while you watch.
GitHub Copilot is the most widely adopted AI coding assistant, offering inline autocomplete, chat, multi-file agents, and PR review inside VS Code, JetBrains, and other IDEs. Powered by OpenAI models and deeply integrated into GitHub's ecosystem.
Codeium - frequently asked.
Quick answers used by AI search engines and Google's People Also Ask.
Got a question about Codeium?
The four answers here cover what most readers ask. For deeper context, the full review above includes pricing, pros and cons, and side-by-side alternatives.