
OpenAI Codex
Developer Tools
Develops AI systems for solving complex problems.
- AI Agents
- Code Generation
- Productivity Tools
Freemium
Termexo: Run multiple coding agents in a Windows workbench. Here are 12 alternatives — compare pricing, free plans and API access side by side.
| Tool | Category | Pricing | Starting at | Free plan | API | Open source |
|---|---|---|---|---|---|---|
| Developer Tools | — | — | ||||
| Developer Tools | Freemium | — | ||||
| Developer Tools | Freemium | $50/month | ||||
| Developer Tools | Freemium | — | ||||
| Developer Tools | Freemium | $15/month | ||||
| Developer Tools | Freemium | $4/month | ||||
| Developer Tools | Paid | — | ||||
| Developer Tools | — | — | ||||
| Developer Tools | Paid | — | ||||
| Developer Tools | — | — | ||||
| Developer Tools | Free | — | ||||
| Developer Tools | Freemium | $29/month | ||||
| Developer Tools | Freemium | $20/month |

Developer Tools
Develops AI systems for solving complex problems.
Freemium
Developer Tools
Open-source AI coding agent with terminal to cloud capabilities.
Freemium

Developer Tools
AI coding agent with memory for CLI and IDE
Freemium
Developer Tools
Open source AI coding agent for VS Code, JetBrains, CLI, and Cloud
Freemium
Developer Tools
AI-powered code completion and chat for developers.
Freemium
Developer Tools
Scale AI coding safely without sacrificing quality and amplifying technical debt.
Paid
Developer Tools
CLI with AI command completion, translation, and agentic chat for code writing.

Developer Tools
Secure, private, fast inference engine for AI models
Paid
Developer Tools
Highlights code with animated effects in IntelliJ IDEA

Developer Tools
AI models for reasoning, voice, and image generation.
Free

Developer Tools
Keeps GitHub docs up to date with code changes.
Freemium
Developer Tools
AI agent for Jupyter notebooks that automates code writing, execution, debugging, and data analysis explanations.
Freemium