OpenAI Codex alternatives
OpenAI Codex is openAI's coding agent for writing, fixing and reviewing code. If it is not the right fit on price, features or setup, these 10 tools do a similar job. We rank them by how closely they match OpenAI Codex, and every listing is checked against its official site.
Compare OpenAI Codex and its alternatives
| Tool | Best for | Pricing | Starts at | MCP server |
|---|---|---|---|---|
| OpenAI Codexcurrent | Developers running parallel coding tasks | Paid | See site | Not checked |
| AskCodi | Founders and small teams outsourcing routine development | Free plan | Free plan with 1M tokens/month, Pro from $29/month or $290/year (as of October 2026) | Not checked |
| JetBrains AI | Developers working in IntelliJ, PyCharm and other JetBrains IDEs | Paid | See site | Not checked |
| Tabnine | Engineering teams with strict code privacy needs | Paid | See site | Not checked |
| Claude Code | Developers delegating multi-step coding tasks | Paid | See site | Not checked |
| GitHub Copilot | Developer teams already on GitHub | Free plan | Free plan, Pro $10/month, Pro+ $39/month, Max $100/month; Business and Enterprise via sales (as of October 2026) | Official |
| Cursor | Engineering teams adopting agent-assisted coding | Free plan | Free Hobby plan, paid from $20/month (Individual), Teams $40/user/month (as of October 2026) | Not checked |
| Devin Desktop (formerly Windsurf, Codeium) | Developers running several coding agents from one IDE | Free plan | Free plan, Pro $20/month, Max $200/month, Teams from $80/month plus $40/month per full seat (as of October 2026) | Official |
| Replit | Teams and founders prototyping and shipping apps fast | Paid | Core $20/month ($18 billed annually) | Official |
| Amazon Q Developer | Teams building on AWS | Free plan | Free tier, paid from $19/user/month (as of October 2026) | Not checked |
| Sourcegraph Cody | Large engineering orgs with big codebases | Enterprise | See site | Official |
The alternatives
1. AskCodi
AI service that builds and maintains software in your GitHub repos as pull requests.
Pricing: Free plan, from Free plan with 1M tokens/month, Pro from $29/month or $290/year (as of October 2026) · Best for: founders and small teams outsourcing routine development · Also covers: pull requests
2. JetBrains AI
AI assistant and coding agent built into JetBrains IDEs.
Pricing: Paid · Best for: developers working in IntelliJ, PyCharm and other JetBrains IDEs · Also covers: coding agent
3. Tabnine
AI coding assistant and agent that can run fully inside a company's own environment.
Pricing: Paid · Best for: engineering teams with strict code privacy needs · Also covers: coding agent
4. Claude Code
Anthropic's agentic coding tool that works in your terminal and IDE.
Pricing: Paid · Best for: developers delegating multi-step coding tasks · Also covers: coding agent
5. GitHub Copilot
AI coding assistant in the IDE, CLI and GitHub, with agent mode and code review.
Pricing: Free plan, from Free plan, Pro $10/month, Pro+ $39/month, Max $100/month; Business and Enterprise via sales (as of October 2026) · Best for: developer teams already on GitHub
6. Cursor
AI code editor with coding agents, built by Anysphere.
Pricing: Free plan, from Free Hobby plan, paid from $20/month (Individual), Teams $40/user/month (as of October 2026) · Best for: engineering teams adopting agent-assisted coding
7. Devin Desktop (formerly Windsurf, Codeium)
AI IDE and command center for managing coding agents, the new name for Windsurf.
Pricing: Free plan, from Free plan, Pro $20/month, Max $200/month, Teams from $80/month plus $40/month per full seat (as of October 2026) · Best for: developers running several coding agents from one IDE
8. Replit
Browser-based environment where Replit Agent builds and deploys apps from prompts.
Pricing: Paid, from Core $20/month ($18 billed annually) · Best for: teams and founders prototyping and shipping apps fast
9. Amazon Q Developer
AWS coding assistant, the successor to CodeWhisperer, now moving toward Kiro.
Pricing: Free plan, from Free tier, paid from $19/user/month (as of October 2026) · Best for: teams building on AWS
10. Sourcegraph Cody
Coding assistant that uses Sourcegraph code search context, for enterprise customers.
Pricing: Enterprise · Best for: large engineering orgs with big codebases
Frequently asked questions
What is the best alternative to OpenAI Codex?+
AskCodi, JetBrains AI and Tabnine are the closest matches in our directory. AskCodi: AI service that builds and maintains software in your GitHub repos as pull requests.
Is there a free alternative to OpenAI Codex?+
AskCodi, GitHub Copilot, Cursor and Devin Desktop (formerly Windsurf, Codeium) have a free plan or are open source. Free plans usually cap usage or features.
What is OpenAI Codex?+
OpenAI's coding agent for writing, fixing and reviewing code.
More alternatives