Compare OpenAI Codex and GitHub Copilot in 2025 across features, integrations, IDE support, pricing, and AI model capabilities.
Both platforms serve millions of users worldwide
Advanced capabilities and integrations
Plans to fit every budget and business size
| Feature | OpenAI Codex | GitHub Copilot |
|---|---|---|
| AI Model | OpenAI Codex (GPT-3 fine-tune, legacy) | GPT-4/4.1 Turbo, context-aware AI |
| IDE Support | No official integrations (via API only) | VS Code, JetBrains, Neovim, Azure DevOps integration |
| Hosting | API access (discontinued as standalone) | Cloud-hosted, integrated with GitHub ecosystem |
| Use Cases | Experimental natural language → code generation | Code completion, documentation, test generation, bug fixes |
| Collaboration | None (single user API) | Copilot Chat, Enterprise dashboard, policies & security |
| AI Advancements (2025) | Legacy GPT-3-based model, no updates since 2023 | Multi-turn Copilot Chat, GPT-4.1 integration, natural language debugging |
| Feature | OpenAI Codex | GitHub Copilot |
|---|---|---|
| Free Access | No longer offered | Free trial (30 days) |
| Individual | N/A | $10/month or $100/year |
| Business / Enterprise | N/A | $19/month per user (Business); Enterprise custom pricing |
| Feature | OpenAI Codex | GitHub Copilot |
|---|---|---|
| Pioneered code generation AI | ✓ | ✓ |
| Useful for research and experimental coding | ✓ | ✗ |
| Actively maintained with enterprise support | ✗ | ✓ |
| Strong IDE integration | ✗ | ✓ |
| Feature | OpenAI Codex | GitHub Copilot |
|---|---|---|
| Legacy model, no updates after 2023 | ✓ | ✗ |
| No IDE support | ✓ | ✗ |
| Not suitable for production development | ✓ | ✗ |
| Subscription cost | ✗ | ✓ |
OpenAI Codex pioneered natural language to code but is now legacy and primarily used in research contexts. GitHub Copilot, powered by GPT-4/4.1, offers real-time coding assistance, IDE integration, enterprise collaboration, and advanced AI features. Choose Codex for experimental or research scenarios, and Copilot for production coding, developer productivity, and enterprise adoption.
Start your free trial today and see which platform works best for your needs.