What is the best free alternative to Codegen?
OpenHands is the closest free alternative to Codegen: same Autonomous Coding Agents sub-category, and it is free. Self-hosted control center for coding agents with GUI, CLI and SDK surfaces
Best free Codegen alternatives
Looking for a free alternative to Codegen? Here are 9 autonomous coding agents worth trying — 7 with a free tier. Codegen itself is free tier + paid.
| Tool | Codegen (you searched) | OpenHands | Google Jules | Devin |
|---|---|---|---|---|
| Pricing | freemium | free | freemium | paid |
| Best for | Infrastructure layer for deploying, orchestrating and governing many coding agents at scale | Self-hosted control center for coding agents with GUI, CLI and SDK surfaces | Async coding agent that fixes issues & PRs | Most autonomous cloud coding agent |
| Visit | Open ↗ | Open ↗ | Open ↗ | Open ↗ |
Codegen alternatives — straight answers
Are there free Codegen alternatives?
Yes — 7 of the 9 alternatives listed here are free or freemium: OpenHands, Google Jules, Void, Gemini CLI, Aider. The other 2 are trial or paid.
Is Codegen free?
Codegen is free tier + paid. There is a free tier you can work in, with paid plans above it.
How were these Codegen alternatives chosen?
They are the other tools in Autonomous Coding Agents, then the rest of Code & Development, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.
All Codegen alternatives
Browse Autonomous Coding Agents →OpenHands
Autonomous Coding Agents
✦ WhyA Codegen alternative — Self-hosted control center for coding agents with GUI, CLI and SDK surfaces.
- Self-hosted control center for coding agents with GUI, CLI and SDK surfaces
- Enterprise deployment controls over models, data access and auditability
- MIT licensed, 83.9k GitHub stars, very active commit history
Google Jules
Autonomous Coding Agents
✦ WhyA Codegen alternative — Async coding agent that fixes issues & PRs.
- Async coding agent that fixes issues & PRs
- Runs in a cloud VM on your repo
- Powered by Gemini
- Free daily tasks
Devin
Autonomous Coding Agents
✦ WhyA Codegen alternative — Most autonomous cloud coding agent.
- Most autonomous cloud coding agent
- Own IDE, browser, terminal and shell
- Plans, writes, tests and opens PRs
- Now includes Windsurf's team
Factory
Autonomous Coding Agents
✦ WhyA Codegen alternative — Enterprise 'Droids' across the whole SDLC.
- Enterprise 'Droids' across the whole SDLC
- Delegate coding, review and migration
- Terminal and cloud execution
- Team and enterprise focus
Void
AI IDEs & Editors
✦ WhyA Codegen alternative — Fully open-source VS Code fork alternative to Cursor/Windsurf.
- Fully open-source VS Code fork alternative to Cursor/Windsurf
- Bring-your-own-key to any model, no proprietary backend routing
- Agent Mode, Gather Mode and inline chat built in
Gemini CLI
Terminal & CLI Agents
✦ WhyA Codegen alternative — Open-source terminal agent from Google.
- Open-source terminal agent from Google
- Huge free daily model quota
- Built-in tools and MCP support
- Great value for everyday coding
Aider
Terminal & CLI Agents
✦ WhyA Codegen alternative — Open-source AI pair programmer in your terminal.
- Open-source AI pair programmer in your terminal
- Git-aware commits and edits
- Works with any model (bring your key)
- Free to use
Cline
Terminal & CLI Agents
✦ WhyA Codegen alternative — Open-source autonomous coding agent for VS Code.
- Open-source autonomous coding agent for VS Code
- Plan/Act modes with approvals
- Bring your own API key or model
- MCP tool support
OpenCode
Terminal & CLI Agents
✦ WhyA Codegen alternative — Fully open-source terminal/IDE/desktop coding agent, MIT licensed.
- Fully open-source terminal/IDE/desktop coding agent, MIT licensed
- Bring-your-own model across 75+ providers, free models included
- Parallel agent sessions with shareable session links