Codex vs JetBrains AI Assistant
Codex and JetBrains AI Assistant are both Code Generation tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | Codex | JetBrains AI Assistant |
|---|---|---|
| Vendor | OpenAI | JetBrains |
| Rating | ★ 4.5 | ★ 4.1 |
| Pricing | Paid | Paid |
| Platforms | CLI, IDE, Cloud, Web | Desktop |
| Key features | Cloud sandbox task execution, Codex CLI (open source), IDE extension | IDE-native integration, Project-aware chat, Inline refactoring |
| Headquarters | San Francisco, USA | Prague, Czech Republic |
| Founded | 2025 | 2023 |
| Open source | No | No |
Key differences
- Codex has a higher user rating (4.5★ vs 4.1★).
- Both Codex and JetBrains AI Assistant use a Paid model.
- Codex runs on CLI, IDE, Cloud, Web; JetBrains AI Assistant runs on Desktop.
Frequently asked questions
Is Codex or JetBrains AI Assistant better?
By user rating, Codex scores higher (4.5★ vs 4.1★). Both are capable Code Generation tools, so review the feature comparison for your use case.
Which is cheaper, Codex or JetBrains AI Assistant?
Both Codex and JetBrains AI Assistant use a Paid pricing model.
Are Codex and JetBrains AI Assistant open source?
No — neither Codex nor JetBrains AI Assistant is open source.