We asked 4 AI models to recommend the AI second brain best practices. Here's what GPT-4.1, Gemini, Grok, and Llama agree on.
🏆 AI Consensus Winner: Notion — recommended by 2/4 models
🔴 AI Confidence: LOW — no clear winner
AI Consensus
These products were recommended by multiple AI models:
- Notion
- Obsidian
- Roam Research
- Evernote
- Mem.ai
What Each AI Recommends
| Rank | GPT-4.1 | Gemini | Grok | Llama |
|---|---|---|---|---|
| 1 | Notion | Notion | Obsidian | Evernote |
| 2 | Obsidian | Obsidian | Notion AI | Notion |
| 3 | Roam Research | Roam Research | Mem.ai | Roam Research |
| 4 | Evernote | Mem.ai | Reflect | Obsidian |
| 5 | Mem.ai | Evernote | Capacities | Logseq |
Best For Your Needs
- Best overall: Notion
- Best free option: Notion
- Best for small teams: Notion
- Best for enterprises: Notion
Methodology
We asked each AI model: "What are the Ai Second Brain Best Practices? List your top 5 recommendations."
Models used: GPT-4.1 Nano (OpenAI), Gemini 2.5 Flash (Google), Grok 4.1 Fast (xAI), Llama 4 Scout (Meta). No web search was enabled — these are pure AI opinions based on training data.
The "AI Consensus" shows products mentioned by 2 or more models. The winner is the product that appears most frequently in the #1 position.