We asked 4 AI models to recommend the AI second brain review. Here's what GPT-4.1, Gemini, Grok, and Llama agree on.
🏆 AI Consensus Winner: Notion AI — recommended by 1/4 models
🔴 AI Confidence: LOW — no clear winner
AI Consensus
These products were recommended by multiple AI models:
- Obsidian
- Mem
- Evernote
- Tana
What Each AI Recommends
| Rank | GPT-4.1 | Gemini | Grok | Llama |
|---|---|---|---|---|
| 1 | Notion AI | Notion | Mem | Otter.ai |
| 2 | Obsidian | Obsidian | Reflect | Evernote |
| 3 | Roam Research | Tana | Capacities | Brain.fm |
| 4 | Mem | Logseq | Tana | Nao |
| 5 | Evernote | Mem.ai | Heptabase | Reclaim.ai |
Best For Your Needs
- Best overall: Obsidian
- Best free option: Obsidian
- Best for small teams: Notion AI
- Best for enterprises: Obsidian
Methodology
We asked each AI model: "What are the Ai Second Brain Review? 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.