Gemini CLI vs Supermaven: Side-by-Side Comparison 2026
Gemini CLI vs Supermaven comparison 2026. Side-by-side features, pricing & capabilities.
Gemini CLI is a CLI-based coding agent from Google — open-source ai agent for your terminal. Supermaven is an editor extension from Supermaven (acquired by Cursor) — ultra-fast ai code completion (sunset).
Gemini CLI
Open-source AI agent that runs in your terminal. Uses a ReAct loop with built-in tools for file operations, shell commands, web search, and MCP server support. Free with generous daily limits.
- ✓ ReAct agentic loop
- ✓ File operations and shell commands
- ✓ Web search grounding
- ✓ MCP server support
- ✓ 1M token context window
Free / $19.99/mo · 4 plans
Supermaven
Supermaven was an ultra-fast AI code completion tool. Acquired by Anysphere (Cursor) in November 2024 and sunset in November 2025. Its technology now powers Cursor's Tab AI. Existing extensions still provide basic autocomplete but no new features or paid plans.
- ✓ Code completions
- ✓ AI chat
- ✓ Adaptive learning
- ✓ Low-latency suggestions
Free / $10/mo · 3 plans
| Feature | Gemini CLI | Supermaven |
|---|---|---|
| Category | CLI | Extension |
| Starting Price | Free | Free |
| Model Family | Gemini | GPT-based |
| Agentic Mode | ✓ | — |
| Multi-File Editing | ✓ | — |
| Terminal Commands | ✓ | — |
| Test Generation | ✓ | — |
| Debugging | ✓ | — |
| Refactoring | ✓ | — |
| Git Integration | ✓ | — |
| Open Source | Yes (Apache 2.0) | No |
Pricing verified Mar 20, 2026. Gemini CLI pricing | Supermaven pricing
Key Differences
- Category: Gemini CLI is a CLI-based coding agent; Supermaven is an editor extension.
- Starting price: Gemini CLI starts at $19.99/mo; Supermaven starts at $10/mo.
- Model family: Gemini CLI uses Gemini; Supermaven uses GPT-based.
- Agentic mode: Gemini CLI supports agentic mode; Supermaven does not.
- Open source: Gemini CLI: Yes (Apache 2.0). Supermaven: No.
- Bring your own key: Gemini CLI supports BYOK; Supermaven does not.
- Platforms: Gemini CLI runs on Linux, Windows, macOS; Supermaven runs on Desktop.
- Provider: Gemini CLI is built by Google; Supermaven is built by Supermaven (acquired by Cursor).
- Capabilities: Gemini CLI has multi-file editing; Gemini CLI has terminal commands; Gemini CLI has test generation; Gemini CLI has debugging.
Which Should You Choose?
Choose Gemini CLI if you want AI pair programming directly in your terminal. Choose Supermaven if you want ultra-low-latency completions that adapt to your coding style. Read our full reviews to see which fits your workflow.