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
Grammarly leads on both fronts — more capital raised ($1.2B) and a lower entry price than Glean.
| Metric | Glean | Grammarly |
|---|---|---|
| Taglinei | Work AI for the entire enterprise | AI writing assistant for individuals and teams. |
| Foundedi | 2019 | 2009🏆 |
| HQi | Palo Alto, US | San Francisco, US |
| Employeesi | 500-1000🏆 | 1001-5000 |
| Neuron scorei | 57 | 84🏆 |
| Total fundingi | $750M | $1.2B🏆 |
| Latest roundi | Series F · Jun 2025 | Growth · May 2025 |
| Valuationi | $7.2B | $13B🏆 |
| Cheapest paid plani | Pricing not disclosed | Pro (Annual) · $12/mo🏆 |
| Free plani | ✗ | ✓ Free |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pro (Monthly) · $30/mo |
| Pricing summaryi | Enterprise · Contact sales | 6 published plans |
| Categoriesi |
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
- Newer company (2019)
- Verified profile
🔵 Strengths of Grammarly
- Has raised more capital ($1.2B vs $750M)
- Higher Neuron score (84 vs 57)
- Offers a free plan
- Offers a free trial
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 Grammarly if you want the most established option — it has raised $1.2B, 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 is the leaner 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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