The best Devin alternatives
9 tools that do a similar job to Devin, 4 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
DevinCognition's autonomous software engineering agent that takes tasks from Slack or tickets and delivers pull requests.
- 1
Claude Code
AI tool · Paid
Anthropic's agentic coding tool that works in your terminal, IDE and the web: it reads your codebase, edits files, runs commands and supports skills.
Best for: Agentic coding tasks across a repository; Terminal-centric developers
- 2
Aider
AI tool · Open source
An open-source terminal pair programmer that edits code in your local Git repo and commits changes.
Best for: Git-centric terminal workflows; Using any model with your own key
- 3
Gemini CLI
AI tool · Open source
Google's open-source terminal agent that uses Gemini models to read code, edit files and run commands.
Best for: Free terminal coding agent; Large-context codebase questions
- 4
OpenAI Codex
AI tool · Paid
OpenAI's coding agent that works in the cloud, a CLI and IDE extensions to write features, fix bugs and open pull requests.
Best for: Delegating tasks to a cloud agent; ChatGPT subscribers who code
- 5
Amp
AI tool · Freemium
An agentic coding tool from Sourcegraph for the terminal and editors, built to use frontier models without token limits.
Best for: Heavy agentic coding; Teams sharing agent threads
- 6
Cline
AI tool · Open source
An open-source autonomous coding agent for VS Code that plans, edits files and runs commands with your approval.
Best for: Bring-your-own-model agent in VS Code; Transparent step-by-step agent work
- 7
CodeRabbit
AI tool · Freemium
An AI code reviewer that comments on pull requests with summaries, line-level suggestions and chat.
Best for: Automated first-pass PR reviews; Teams with high PR volume
- 8
Greptile
AI tool · Paid
An AI code reviewer that indexes your whole codebase to review pull requests with full context.
Best for: Context-aware PR review; Catching cross-file bugs
- 9

Devika
Open source · MIT · ★ 19.6k
Open-source experimental AI agent that tries to plan, research, and write software from a plain-language goal.
Best for: Developers curious about how autonomous coding agents work and who want to experiment with one; Hobbyists who want to try an agent on small, low-stakes coding tasks
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Devin. We don't take payment for placement.