Codex CLI vs vLLM
A detailed comparison of Codex CLI and vLLM across 11 dimensions.
Codex CLI
OpenAI's open-source AI coding agent CLI
- Price
- BYOK (Bring Your Own Key)
- GitHub Stars
- 100K+
- Open Source
- true
- Models
- GPT-4o, GPT-4.1, o-series (via API)
- Max Context
- 128K tokens
- Multi-file Edit
- true
- Git Integration
- true
- MCP Support
- true
- Sub-agents
- false
- Platforms
- macOS, Linux
- Released
- 2025
npm install -g @openai/codexvLLM
High-performance LLM inference and serving engine
- Price
- Free (BYO GPU)
- GitHub Stars
- 87K+
- Open Source
- true
- Models
- Major models (Llama, Mistral, Qwen, etc.)
- Max Context
- 依模型而定
- Multi-file Edit
- false
- Git Integration
- false
- MCP Support
- false
- Sub-agents
- false
- Platforms
- Linux (GPU required)
- Released
- 2023
pip install vllmFull Comparison
| Tool | Price | GitHub Stars | Open Source | Models | Max Context | Multi-file Edit | Git Integration | MCP Support | Sub-agents |
|---|---|---|---|---|---|---|---|---|---|
Codex CLI🔓 OpenAI's open-source AI coding agent CLI | BYOK (Bring Your Own Key) | 100K+ | ✓ | GPT-4o, GPT-4.1, o-series (via API) | 128K tokens | ✓ | ✓ | ✓ | — |
vLLM🔓 High-performance LLM inference and serving engine | Free (BYO GPU) | 87K+ | ✓ | Major models (Llama, Mistral, Qwen, etc.) | 依模型而定 | — | — | — | — |
Quick Install
Codex CLI
npm install -g @openai/codexvLLM
pip install vllm