Glean vs Grammarly
Which Agents AI tool is better in 2026?
Glean
Work AI for the entire enterprise
Grammarly
AI writing assistant for individuals and teams.
Side-by-side
| Glean | Grammarly | |
|---|---|---|
| Tagline | Work AI for the entire enterprise | AI writing assistant for individuals and teams. |
| Founded | 2019 | 2009 |
| HQ | Palo Alto, US | San Francisco, US |
| Employees | 500-1000 | 1001-5000 |
| Total funding | $750M | $200M |
| Latest round | Series F · Jun 2025 | Series D · Nov 2024 |
| Valuation | $7.2B | $13B |
| Cheapest paid plan | Pricing not disclosed | Pro (Annual) · $12/mo |
| Free plan | ✗ | ✓ Free |
| Free trial | ✗ | ✓ |
| Top tier price | Pricing not disclosed | Pro (Monthly) · $30/mo |
| Pricing summary | Enterprise · Contact sales | 6 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Glean and Grammarly.
| Capability | Glean | Grammarly |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 4 (Python, TypeScript, Java, Go) | 1 (JavaScript) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Glean
- Has raised more capital ($750M vs $200M)
- Newer company (2019)
- Verified profile
🔵 Strengths of Grammarly
- Higher Neuron score (64 vs 56)
- Offers a free plan
- Offers a free trial
- Lower starting price ($12/mo)
Which should you choose?
Choose Grammarly if price matters most — it starts at Free · From $12/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Glean if you want the most established option — it has raised $750M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
💸 Deals
7-day free trial of Grammarly Premium
Try Grammarly Premium free for 7 days — AI writing assistant used by 30M+ daily.
Frequently asked questions
Glean vs Grammarly — which is better?
It depends on your priority. Glean has raised more capital and is the more established option; Grammarly is cheaper to start. See the side-by-side table above.
Is Glean cheaper than Grammarly?
No — Grammarly's cheapest paid plan is Pro (Annual) · $12/mo, while Glean's is Enterprise · Contact sales.
Do Glean and Grammarly offer free plans?
Glean: Paid only. Grammarly: Yes, has a free plan.
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