Updated for 2026
MiMo Codevs
ChatGPT Codex
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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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 Codeai-ide
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 CodexBasics
| Feature | MiMo Code | ChatGPT Codex |
|---|---|---|
| Released | 2025 | 2025 |
| Company | Xiaomi | OpenAI |
| Country | China | United States |
| Region / Availability | Global (China-friendly) | Global (OpenAI service availability)，excluding mainland China and Hong Konghttps://help.openai.com/en/articles/7947663-chatgpt-supported-countries |
Pricing comparison
| Plan | MiMo Code | ChatGPT Codex |
|---|---|---|
| Model | open-source | freemium |
| Free tier | Yes | Yes |
| Starts at | $0/mo | $8/mo |
| Plan 1 | Open Source: Free | Free: $0Experience ChatGPT's core capabilities for free, ideal for casual users and first-time AI explorers. |
| Plan 2 | MiMo: Pay-per-use model | Go: $8/moA budget-friendly plan offering higher usage limits and a smoother ChatGPT experience. |
| 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 | MiMo Code | ChatGPT Codex |
|---|---|---|
| Visual IDE UI | ✗ | ✓ |
| OS Platforms | Cross-platform CLI | macOS / Windows / Linux / android / iOShttps://chatgpt.com/download/ |
| 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 | ✓https://github.com/XiaomiMiMo/MiMo-Code | ✗ (The Codex desktop app is closed-source, but the Codex CLI is open-source)https://github.com/openai/codex |
| Team Collaboration | ✗ | ✓ |
| Privacy Mode | ✓ | ✓ |
| VS Code Compatible | ✗ | ✗ |
| Autonomous Agent | ✓ | ✓ |
| Git Integration | ✓ | ✓ |
| Use Case | Xiaomi MiMo coding assistant for AI pair programming | OpenAI Codex / ChatGPT coding agent for building and refactoring software |
Pros & cons
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
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
Dimension scores
Editorial 0–10 scores across shared dimensions — higher is better for that axis.
| Dimension | MiMo Code | ChatGPT Codex |
|---|---|---|
| Capability | 7.0 | 9.0 |
| Privacy | 8.5 | 6.7 |
| Value | 9.0 | 7.5 |
| Depth | 6.5 | 8.6 |
| Ecosystem | 5.5 | 9.0 |
| DX | 6.8 | 8.8 |
- MiMo Code
- ChatGPT Codex
FAQ
Is MiMo Code better than ChatGPT Codex? (2026)
It depends on workflow. MiMo Code emphasizes xiaomi’s open-source terminal-native coding agent (opencode fork) with memory and skills. ChatGPT Codex emphasizes chatgpt codex is a professional ai coding agent launched by openai. Use the feature checklist above for your stack.
Which use cases fit MiMo Code vs ChatGPT Codex?
- MiMo Code: Xiaomi MiMo coding assistant for AI pair programming
- ChatGPT Codex: OpenAI Codex / ChatGPT coding agent for building and refactoring software
What are the main differences between MiMo Code and ChatGPT Codex?
- Visual IDE UI: MiMo Code (no) vs ChatGPT Codex (yes)
- OS Platforms: MiMo Code (Cross-platform CLI) vs ChatGPT Codex (macOS / Windows / Linux / android / iOS)
- Third-party Models: MiMo Code (yes) vs ChatGPT Codex (no (Can only use the ChatGPT model))
- VS Code Extension: MiMo Code (no) vs ChatGPT Codex (yes)
- JetBrains Plugin: MiMo Code (no) vs ChatGPT Codex (yes)
How do MiMo Code and ChatGPT Codex compare on pricing?
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
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
Always verify current prices on the vendor site before buying.
Do MiMo Code and ChatGPT Codex offer a free tier?
- MiMo Code: Has a free tier
- ChatGPT Codex: Has a free tier
Are MiMo Code and ChatGPT Codex open source?
- MiMo Code: yes
- ChatGPT Codex: no (The Codex desktop app is closed-source, but the Codex CLI is open-source)
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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.