Google CodeMender vs Supermaven: Side-by-Side Comparison 2026
Google CodeMender vs Supermaven comparison 2026. Side-by-side features, pricing & capabilities.
Google CodeMender is an AI agent from Google DeepMind — ai agent that finds and fixes security vulnerabilities. Supermaven is an editor extension from Supermaven (acquired by Cursor) — ultra-fast ai code completion (sunset).
Google CodeMender
Autonomous AI agent from Google DeepMind that detects, debugs, and patches security vulnerabilities in code. Uses Gemini Deep Think models with multi-agent architecture combining static analysis, dynamic analysis, fuzzing, and SMT solvers. Has upstreamed 72 security fixes to open-source projects in its first six months.
- ✓ Autonomous vulnerability detection
- ✓ Automated patch generation
- ✓ Multi-agent architecture with specialized sub-agents
- ✓ Static analysis and dynamic analysis
- ✓ Differential testing
Usage-based · 1 plan
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 | Google CodeMender | Supermaven |
|---|---|---|
| Category | Agent | Extension |
| Starting Price | Usage-based | Free |
| Model Family | Gemini | GPT-based |
| Agentic Mode | ✓ | — |
| Multi-File Editing | ✓ | — |
| Terminal Commands | ✓ | — |
| Test Generation | ✓ | — |
| Debugging | ✓ | — |
| Refactoring | ✓ | — |
| Git Integration | ✓ | — |
| Open Source | No | No |
Pricing verified Mar 20, 2026. Google CodeMender pricing | Supermaven pricing
Key Differences
- Category: Google CodeMender is an AI agent; Supermaven is an editor extension.
- Free tier: Supermaven has a free tier; Google CodeMender does not.
- Starting price: Google CodeMender starts at free / BYOK; Supermaven starts at $10/mo.
- Model family: Google CodeMender uses Gemini; Supermaven uses GPT-based.
- Agentic mode: Google CodeMender supports agentic mode; Supermaven does not.
- Platforms: Google CodeMender runs on Cloud (Google DeepMind infrastructure); Supermaven runs on Desktop.
- Provider: Google CodeMender is built by Google DeepMind; Supermaven is built by Supermaven (acquired by Cursor).
- Capabilities: Google CodeMender has multi-file editing; Google CodeMender has terminal commands; Google CodeMender has test generation; Google CodeMender has debugging.
Which Should You Choose?
Choose Google CodeMender if you want automated detection and patching of vulnerabilities in large open-source codebases. 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.