OpenAI
Codex CLI
OpenAI terminal agent on GPT-5.6 Sol/Terra/Luna. Terminal-Bench 2.1 leader.
Scores
Quality
9.5/10
Speed
8.2/10
Ease of use
7.5/10
Value
5/10
Specifications
- Category
- Coding Tools
- Pricing
- $20–200/mo
- Documentation
- Open ↗
Pros
- + Terminal-Bench leader
- + Tied to GPT-5.6
Cons
- − Less IDE integration than Cursor
Suitable for
Similar models
Cursor
Cursor
AI IDE with Composer and model choice (GPT-5.6, Claude, Gemini). Pro $20/mo, Pro+ $70/mo.
Quality
9.2/10
Speed
8.5/10
Ease of use
9.2/10
Value
6/10
- + Wide model choice
- + IDE-first workflow
Claude Code
Anthropic
Terminal agent on Opus 4.8 / Sonnet 5. Pro $20/mo, Max 20× $200/mo. Top for deep refactors.
Quality
9.6/10
Speed
7.8/10
Ease of use
7.5/10
Value
4/10
- + Best for deep refactors
- + Strong terminal agent
Gemini CLI
Google terminal agent on Gemini 3 Pro / 3.5 Flash for multimodal agentic tasks.
Quality
8.8/10
Speed
8.6/10
Ease of use
7.5/10
Value
6/10
- + Multimodal agentic tasks
- + Free/API options
GitHub Copilot
GitHub
AI assistant in the Microsoft/GitHub ecosystem with model choice.
Quality
8.5/10
Speed
8.5/10
Ease of use
9/10
Value
7/10
- + Deep GitHub integration
- + Easy start