OpenAI vs. Notion
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | OpenAI | Notion |
|---|---|---|
| Avg. rating | 4.6 | 4.6 |
| Total reviews | 3,621 | 13,888 |
| Review growth (QoQ) | +0.5% | +51.5% |
| Products on G2 | 9 | 1 |
| Categories covered | 14 | 8 |
| Best category rank | #1 in AI Chatbots | #1 in Note-Taking Software |
| Small Business | 57.5% | 67.7% |
| Mid-Market | 28.4% | 26.4% |
| Enterprise | 14.0% | 5.9% |