Updated for 2026
ChatGPT Codexvs
MiMo Code
Not sure which fits your workflow in 2026? Compare pricing, features, and trade-offs — then switch tools below to explore more options in this category.
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ChatGPT Codex
ChatGPT Codex is an AI programming agent launched by OpenAI. It can autonomously understand code repositories, write code, fix bugs, run tests, and complete full software development tasks. However, it lacks code completion functionality and a professional coding interface.
Visit ChatGPT Codexai-ide
MiMo Code
MiMo Code is Xiaomi’s open-source, terminal-native coding assistant with persistent memory, skills, and multi-provider model support. Forked from the open-source project OpenCode, inheriting many of its features.
Visit MiMo CodeBasics
| Feature | ChatGPT Codex | MiMo Code |
|---|---|---|
| Released | 2025 | 2025 |
| Company | OpenAI | Xiaomi |
| Country | United States | China |
| Region / Availability | Global (OpenAI service availability)，excluding mainland China and Hong Konghttps://help.openai.com/en/articles/7947663-chatgpt-supported-countries | Global (China-friendly) |
Pricing comparison
| Plan | ChatGPT Codex | MiMo Code |
|---|---|---|
| Model | freemium | open-source |
| Free tier | Yes | Yes |
| Starts at | $8/mo | $0/mo |
| Plan 1 | Free: $0Experience ChatGPT's core capabilities for free, ideal for casual users and first-time AI explorers. | Open Source: Free |
| Plan 2 | Go: $8/moA budget-friendly plan offering higher usage limits and a smoother ChatGPT experience. | MiMo: Pay-per-use model |
| Plan 3 | Plus: $20/moThe flagship plan for individuals, unlocking more powerful models, Codex, and advanced AI features. | — |
| Plan 4 | Pro: $100/moBuilt for power users, delivering the highest usage limits and the full suite of AI agent capabilities. | — |
| Plan 5 | Team: $20/user/moDesigned for teams with shared workspaces, enterprise-grade security, and organizational knowledge management. | — |
Feature checklist
| Feature | ChatGPT Codex | MiMo Code |
|---|---|---|
| Visual IDE UI | ✓ | ✗ |
| OS Platforms | macOS / Windows / Linux / android / iOShttps://chatgpt.com/download/ | Cross-platform CLI |
| Third-party Models | ✗ (Can only use the ChatGPT model) | ✓ |
| MCP / Plugins | ✓ | ✓ |
| Skills Support | ✓ | ✓ |
| VS Code Extension | ✓ | ✗ |
| JetBrains Plugin | ✓https://blog.jetbrains.com/ai/2026/01/codex-in-jetbrains-ides/ | ✗ |
| AI Autocomplete | ✗ | ✗ |
| Chat / Inline Agent | ✓ | ✓ |
| Multi-file Edit | ✓ | ✓ |
| Codebase Indexing | ✓ | ✓ |
| Terminal Integration | ✓ | ✓ |
| Local LLM Support | ✗ | ✓ |
| Open Source | ✗ (The Codex desktop app is closed-source, but the Codex CLI is open-source)https://github.com/openai/codex | ✓https://github.com/XiaomiMiMo/MiMo-Code |
| Team Collaboration | ✓ | ✗ |
| Privacy Mode | ✓ | ✓ |
| VS Code Compatible | ✗ | ✗ |
| Autonomous Agent | ✓ | ✓ |
| Git Integration | ✓ | ✓ |
| Use Case | OpenAI Codex / ChatGPT coding agent for building and refactoring software | Xiaomi MiMo coding assistant for AI pair programming |
Pros & cons
ChatGPT Codex
- Backed by OpenAI frontier models
- Strong autonomous coding / task agent workflows
- Multi-agent collaboration / Long-running and complex tasks
- Environmental autonomy and security sandbox
- Branding overlaps with ChatGPT chat — easy to confuse
- Lacking a professional coding interface like classic VS Code
- Can only use the ChatGPT model, unable to add models from other providers
MiMo Code
- Open-source terminal agent with persistent memory
- Built-in skills / compose workflows
- BYO providers plus MiMo Auto channel
- Terminal-first — no full visual IDE
- Younger than Claude Code / Cursor workflows
- Docs and packaging still evolving
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | ChatGPT Codex | MiMo Code |
|---|---|---|
| Capability | 9.0 | 7.0 |
| Privacy | 6.7 | 8.5 |
| Value | 7.5 | 9.0 |
| Depth | 8.6 | 6.5 |
| Ecosystem | 9.0 | 5.5 |
| DX | 8.8 | 6.8 |
- ChatGPT Codex
- MiMo Code
FAQ
Is ChatGPT Codex better than MiMo Code? (2026)
It depends on workflow. ChatGPT Codex emphasizes chatgpt codex is a professional ai coding agent launched by openai. MiMo Code emphasizes xiaomi’s open-source terminal-native coding agent (opencode fork) with memory and skills. Use the feature checklist above for your stack.
Which use cases fit ChatGPT Codex vs MiMo Code?
- ChatGPT Codex: OpenAI Codex / ChatGPT coding agent for building and refactoring software
- MiMo Code: Xiaomi MiMo coding assistant for AI pair programming
What are the main differences between ChatGPT Codex and MiMo Code?
- Visual IDE UI: ChatGPT Codex (yes) vs MiMo Code (no)
- OS Platforms: ChatGPT Codex (macOS / Windows / Linux / android / iOS) vs MiMo Code (Cross-platform CLI)
- Third-party Models: ChatGPT Codex (no (Can only use the ChatGPT model)) vs MiMo Code (yes)
- VS Code Extension: ChatGPT Codex (yes) vs MiMo Code (no)
- JetBrains Plugin: ChatGPT Codex (yes) vs MiMo Code (no)
How do ChatGPT Codex and MiMo Code compare on pricing?
ChatGPT Codex pricing overview:
- Has a free tier
- Pricing model: freemium
- Starting from ~$8/mo
- Plan Free: $0
- Plan Go: $8/mo
- Plan Plus: $20/mo
MiMo Code pricing overview:
- Has a free tier
- Pricing model: open source
- Starting from ~$0/mo
- Plan Open Source: Free
- Plan MiMo: Pay-per-use model
Always verify current prices on the vendor site before buying.
Do ChatGPT Codex and MiMo Code offer a free tier?
- ChatGPT Codex: Has a free tier
- MiMo Code: Has a free tier
Are ChatGPT Codex and MiMo Code open source?
- ChatGPT Codex: no (The Codex desktop app is closed-source, but the Codex CLI is open-source)
- MiMo Code: yes
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Disclaimer:Not Financial or Investment Advice, Educational/Dev Tool Comparison Only. Information may change; always verify pricing on the vendor site before purchasing.