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Claude Code vs Codex CLI: Agent Terminal Anthropic vs OpenAI (2026)
Claude Code la agent terminal da duoc chung minh va giau tinh nang hon. Codex CLI la cau tra loi cua OpenAI voi hieu suat lap trinh canh tranh nhung he sinh thai agentic it truong thanh hon.
Feature comparison
| Tinh nang | Claude Code | Codex CLI |
|---|---|---|
| Loai | Agent tu dong dua tren terminal | Agent lap trinh dua tren terminal |
| Nha cung cap | Anthropic | OpenAI |
| Model | Claude Opus 4, Sonnet 4 | GPT-4.1, o3, o4-mini (codex-1) |
| Thuc thi ma | Thuc thi lenh shell day du | Moi truong thuc thi sandbox |
| Chinh sua da file | Thay doi tu dong xuyen file | Chinh sua da file |
| Tich hop Git | Tu dong hoa git day du (branch, commit, PR) | Tu dong tao git commit |
| Cau hinh du an | Quy uoc CLAUDE.md | File huong dan AGENTS.md |
| Ho tro MCP | Tich hop MCP goc | Khong ho tro MCP |
| Mo hinh an toan | He thong quyen co the cau hinh | Sandbox voi mang bi tat mac dinh |
| Che do thuc thi | Mac dinh + headless | Che do suggest, auto-edit, full-auto |
| Ma nguon mo | Source-available | Ma nguon mo (Apache 2.0) |
| Gia | $20/thang (Pro) hoac tinh theo API | Tinh theo su dung API (OpenAI API) |
| Che do headless / CI | Co | Co (che do full-auto) |
| Kha nang mo rong | Skills, Hooks, may chu MCP | Kha nang mo rong han che |
+ Claude Code
- +Vong lap agentic truong thanh hon voi phuc hoi loi tot hon
- +Quyen truy cap terminal day du khong gioi han cho moi lenh
- +Tich hop MCP cho cong cu va dich vu ben ngoai
- +Kha nang mo rong phong phu qua Skills, Hooks va cau hinh du an
- +Tu dong hoa quy trinh git hoan chinh bao gom PR
- +He sinh thai va cong dong tich hop lon hon
+ Codex CLI
- +Thuc thi sandbox cung cap mac dinh an toan hon
- +Ma nguon mo theo giay phep Apache 2.0
- +Nhieu che do thuc thi (suggest, auto-edit, full-auto)
- +Truy cap model suy luan moi nhat cua OpenAI (o3, o4)
- +Quen thuoc cho lap trinh vien da su dung API OpenAI
- +Sandbox tat mang ngan cac cuoc goi ben ngoai ngoai y muon
Claude Code va Codex CLI la doi thu truc tiep: ca hai deu la agent lap trinh AI dua tren terminal tu cac cong ty AI hang dau. Claude Code cua Anthropic tien phong trong danh muc nay va co quy trinh agentic truong thanh. Codex CLI cua OpenAI gia nhap khong gian nay voi model lap trinh canh tranh va phuong phap sandbox uu tien an toan, tat truy cap mang mac dinh.
Nhung khac biet chinh
Khac biet kien truc lon nhat la triet ly an toan. Claude Code cho agent quyen truy cap terminal day du voi he thong quyen co the cau hinh de ban kiem soat nhung gi no co the lam. Codex CLI mac dinh moi truong sandbox voi mang bi tat, an toan hon nhung gioi han nhung gi agent co the lam (khong cai dat goi tu internet, khong goi API trong khi thuc thi). Ho tro MCP va kha nang mo rong Skills/Hooks cua Claude Code mang lai loi the dang ke cho cac quy trinh phuc tap. Codex CLI giu moi thu don gian hon nhung it tuy chinh hon. Ca hai deu tu dong commit thay doi vao git, nhung Claude Code co the quan ly toan bo quy trinh git bao gom tao branch va pull request.
Ket luan
Claude Code la agent co kha nang hon va mo rong hon voi thanh tich da duoc chung minh. Codex CLI la lua chon vung chac cho lap trinh vien trong he sinh thai OpenAI thich thuc thi sandbox nhu mac dinh an toan. Neu ban can tich hop MCP, tu dong hoa git day du hoac tuy chinh sau, Claude Code la lua chon ro rang. Neu ban uu tien an toan sandbox va da su dung API OpenAI, Codex CLI dang xem xet.
Codex CLI co giong Codex cu cua OpenAI khong?+
Cong cu nao an toan hon de su dung tren ma nguon san pham?+
Codex CLI co the su dung model Claude khong?+
Cong cu nao co hieu suat lap trinh tot hon?+
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