Grammarly vs Sesame
Which Agents AI tool is better in 2026?
Grammarly
AI writing assistant for individuals and teams.
Sesame
Lifelike voice companions and AI smart glasses
Side-by-side
| Grammarly | Sesame | |
|---|---|---|
| Tagline | AI writing assistant for individuals and teams. | Lifelike voice companions and AI smart glasses |
| Founded | 2009 | 2023 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 1001-5000 | 51-100 |
| Total funding | $1.2B | $307.6M |
| Latest round | Growth (non-dilutive) · May 2025 | Series B · Oct 2025 |
| Valuation | $13B | — |
| Cheapest paid plan | Pro (Annual) · $12/mo | Pricing not disclosed |
| Free plan | ✓ Free | ✗ |
| Free trial | ✓ | ✗ |
| Top tier price | Pro (Monthly) · $30/mo | Pricing not disclosed |
| Pricing summary | 6 published plans | Freemium |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Grammarly and Sesame.
| Capability | Grammarly | Sesame |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (JavaScript) | 1 (python) |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of Grammarly
- Has raised more capital ($1.2B vs $307.6M)
- Higher Neuron score (64 vs 54)
- Offers a free plan
- Offers a free trial
🔵 Strengths of Sesame
- Newer company (2023)
Which should you choose?
Choose Sesame if price matters most — it starts at Freemium, 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
Grammarly vs Sesame — which is better?
It depends on your priority. Grammarly has raised more capital and is the more established option; Sesame is cheaper to start. See the side-by-side table above.
Is Grammarly cheaper than Sesame?
No — Sesame's cheapest paid plan is Freemium, while Grammarly's is Pro (Annual) · $12/mo.
Do Grammarly and Sesame offer free plans?
Grammarly: Yes, has a free plan. Sesame: Paid only.
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