Grammarly vs Mistral AI
Which Agents AI tool is better in 2026?
Grammarly
AI writing assistant for individuals and teams.
Mistral AI
Open and efficient foundation models
Side-by-side
Mistral AI is the more established option (raised $6.3B), but Grammarly is cheaper to start.
| Metric | Grammarly | Mistral AI |
|---|---|---|
| Taglinei | AI writing assistant for individuals and teams. | Open and efficient foundation models |
| Foundedi | 2009🏆 | 2023 |
| HQi | San Francisco, US | Paris, FR |
| Employeesi | 1001-5000 | 200-500🏆 |
| Neuron scorei | 69 | 76🏆 |
| Total fundingi | $1.2B | $6.3B🏆 |
| Latest roundi | Growth · May 2025 | Debt · Mar 2026 |
| Valuationi | $13B | $13.8B🏆 |
| Cheapest paid plani | Pro (Annual) · $12/mo🏆 | Pro · $15/mo |
| Free plani | ✓ Free | ✓ Free |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pro (Monthly) · $30/mo | Pro · $15/mo |
| Pricing summaryi | 6 published plans | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Grammarly and Mistral AI.
| Capability | Grammarly | Mistral AI |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✓ | ✓ |
| SDK languages | 1 (JavaScript) | 3 (Python, JavaScript, TypeScript) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✓ | ✓ |
🟢 Strengths of Grammarly
- More mature (2009)
🔵 Strengths of Mistral AI
- Has raised more capital ($6.3B vs $1.2B)
- Higher Neuron score (76 vs 69)
- Newer company (2023)
- Verified profile
Which should you choose?
Choose Mistral AI if price matters most — it starts at Free, 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 Mistral AI if you want the most established option — it has raised $6.3B, 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.
Mistral La Plateforme free experimentation tier
La Plateforme offers a free experimentation tier with rate-limited access to Mistral Small, Codestral, and embedding models.
Terms: Rate-limited. For evaluation use.
Frequently asked questions
Grammarly vs Mistral AI — which is better?
It depends on your priority. Grammarly is the leaner option; Mistral AI has broader feature depth. See the side-by-side table above.
Is Grammarly cheaper than Mistral AI?
Yes — Grammarly's cheapest paid plan is Pro (Annual) · $12/mo, while Mistral AI's is Pro · $15/mo.
Do Grammarly and Mistral AI offer free plans?
Grammarly: Yes, has a free plan. Mistral AI: Yes, has a free plan.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.