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Llama 4 vs Grammarly AI

Meta's open-weight Llama 4 herd (Scout & Maverick) — the first natively multimodal Llama models built on a Mixture-of-Experts design, with Scout offering an industry-leading 10M-token context window.

Winner: Grammarly AI(⭐ 4.7)

🧠 Expert verdict

Our expert verdict: Grammarly AI is the stronger all-round choice, scoring 4.7/5 versus 4.5/5 for Llama 4, and it stands out for "Works across virtually every app & browser". Choose Grammarly AI if you want the best writing tool overall, especially for email proofreading; pick Llama 4 if "Natively multimodal (text + image)" matters more for your workflow.

Llama 4

Meta's open-weight Llama 4 herd (Scout & Maverick) — the first natively multimodal Llama models built on a Mixture-of-Experts design, with Scout offering an industry-leading 10M-token context window.

Visit Llama 4

Grammarly AI

AI writing assistant trusted by 30M+ users for grammar, tone, clarity, and full-sentence rewrites across every app.

Visit Grammarly AI
CriteriaLlama 4Grammarly AI
Rating
4.5/5
4.7/5
Pricing
Open weights (Llama license) / free & hosted
Free / $12/mo
Category
writing
writing
Popularity
📈 High
🔥 Very High
Value for Money
⭐⭐ Good
⭐⭐ Good
📅 Release Date
Apr 2025
2009
🔄 Last Update
Jun 2026
2026
Company
Meta
Grammarly
Founded
2023
2009
API Access
Yes
No
Mobile App
No
Yes

Llama 4

Pros

  • +Natively multimodal (text + image)
  • +Scout: 10M-token context window
  • +Efficient MoE architecture
  • +Huge ecosystem and tooling
  • +Open weights for self-hosting

Cons

  • Community license has some restrictions
  • Largest models need big hardware
  • Trails newest Chinese open models on some coding tasks
  • Quality varies by variant

Grammarly AI

Pros

  • +Works across virtually every app & browser
  • +Strong grammar, clarity and tone suggestions
  • +Real-time full-sentence rewrites
  • +Plagiarism checker on paid plans

Cons

  • Premium features behind a paywall
  • Can be conservative on creative style
  • Privacy considerations for sensitive text

🎯 Best forLlama 4

Long-document & codebase analysisMultimodal appsSelf-hosted assistantsFine-tuning at scale

🎯 Best forGrammarly AI

Email proofreadingAcademic writingProfessional documentsTone adjustmentPlagiarism checks

🏷️ TagsLlama 4

LLMOpen WeightsMultimodalMoELong Context

🏷️ TagsGrammarly AI

WritingGrammarEditingBrowser Extension

Our Verdict

After comparing ratings, pricing and features, Grammarly AI comes out ahead with a 4.7/5 rating. It is the better choice for most users.

Expert take on each tool

📌 Llama 4

Llama 4 remains the default open-weight foundation for builders thanks to its huge ecosystem, multimodality and Scout's enormous context window. It is the safe, well-supported choice, even if the very newest open models edge it on specific coding benchmarks.

📌 Grammarly AI

Grammarly is the best everyday writing companion thanks to its universal browser/app integration and reliable grammar and tone corrections.

Frequently Asked Questions

Which is better: Llama 4 or Grammarly AI?

Grammarly AI has the higher user rating (4.7/5 vs 4.5/5), making it the stronger overall pick. That said, Llama 4 can still be the better fit depending on your budget and specific needs — see the full comparison above.

Is Llama 4 or Grammarly AI cheaper?

Llama 4 (Open weights (Llama license) / free & hosted) and Grammarly AI (Free / $12/mo) sit at a similar price point. The best way to compare actual cost is to check each tool's plans for the specific features and usage limits you need.

Can I switch from Llama 4 to Grammarly AI?

Yes — switching between Llama 4 and Grammarly AI is usually straightforward since both are writing tools with similar core workflows. Most users can export their data and get started with Grammarly AI within a day; just check Grammarly AI's free plan before committing to a paid tier.