Codex
by OpenAI · Coding agent
What it does on its own
Writes, tests and fixes code and opens pull requests in a cloud sandbox or terminal.
Jobs you can hire it for
- Fix bugs and open pull requests
- Write tests
- Ship small features from plain-English requests
- Job page: Fix code and ship features
How to start
- Sign in with your ChatGPT account in the Codex app, IDE extension or CLI.
- Connect a GitHub repository, or open a local project.
- Describe the task, like a bug to fix or a feature to add.
- Review the diff and open a pull request when you're happy.
Based on the official docs: developers.openai.com/codex. Steps can change, so check there for the latest.
Related agents
Coding agents
Claude Code
by Anthropic
Builds and fixes software from plain-English requests in terminal/IDE/web
What it costs: $20/mo ($17/mo annual)
Free plan: Yes
Coding agents
Cursor
by Anysphere (SpaceX)
Agent edits code, runs commands, background agents open PRs
What it costs: $0 (Plus $8/mo, Grok models only; Premium $30/mo)
Free plan: Yes
Coding agents
GitHub Copilot coding agent
by GitHub
Assign an issue; agent writes code and opens a PR
What it costs: $10/mo
Free plan: Yes
Coding agents
Devin
by Cognition
Autonomous software engineer that plans, codes, tests and ships
What it costs: $0 (Pro $20/mo)
Free plan: Yes
Coding agents
Jules
by Google
Asynchronous coding agent that fixes bugs and opens PRs on GitHub
What it costs: Price not confirmed
Free plan: Not confirmed
Coding agents
Windsurf
by Cognition
Agentic IDE (Cascade) that writes and runs code
What it costs: $0 (Pro $20/mo)
Free plan: Yes
Something wrong or out of date? Email hello@hirethebot.ai. Listings are free, and sponsors can't buy a better review.