Updated January 2026

Gemini 3 vs Grammarly

A comprehensive 2026 comparison to help you choose the right AI tool for your needs. We tested both extensively.

Winner
Google DeepMind

Gemini 3 Pro

4.8
Try Gemini 3 Free
Grammarly

Grammarly

4.6
Try Grammarly Free

Quick Verdict: Gemini 3 vs Grammarly

After extensive testing, **Gemini 3 Pro** comes out ahead with a 4.8/5 rating. It's the better choice for most users, especially those focused on Large projects, budget-conscious users, multimodal tasks. However, Grammarly remains competitive and may be preferable if you prioritize Grammar checking, professional emails, academic writing.

Our Pick for 2026
Gemini 3 Pro

Gemini 3 Pro edges out Grammarly with superior overall performance and features that make it the better choice for most users in 2026. With a 4.8/5 rating, it excels particularly in Large projects, budget-conscious users, multimodal tasks.

Try Gemini 3 Free

Feature Comparison Table

Side-by-side comparison of key features and capabilities

Feature
Gemini 3
Grammarly
Performance Ratings
Overall Rating
4.8
4.6
Coding
4.7
-
Writing
4.5
4.8
Reasoning
4.8
4.0
Speed
4.7
5.0
Value for Money
5.0
4.5
Pricing
Monthly Price
$20
$12
Free Tier
Input (per 1M tokens)
$1.25
-
Output (per 1M tokens)
$5
-
Capabilities
Context Window
1049K
50K
Vision/Images
Audio
Video
Code Generation
AI Agents

When to Use Gemini 3 vs Grammarly

Choose Gemini 3 When You Need:

  • Large projects, budget-conscious users, multimodal tasks
  • Superior coding assistance and code generation
  • Processing longer documents with 1049K context
  • Testing capabilities with a free tier before committing

Choose Grammarly When You Need:

  • Grammar checking, professional emails, academic writing
  • Better quality content writing and creative tasks
  • Faster response times for time-sensitive work
  • Testing capabilities with a free tier before committing

In-Depth Analysis: Gemini 3 vs Grammarly

Performance & Capabilities

In our comprehensive testing for 2026, we evaluated both Gemini 3 Pro and Grammarly across multiple dimensions including coding tasks, creative writing, reasoning problems, and general conversation quality. Gemini 3 Pro emerged as our top pick with an overall rating of 4.8/5.

Gemini 3 Pro scored 4.7/5 on coding tasks, making it an excellent choice for developers. In comparison, Grammarly also performs well in this category.

Pricing & Value

When it comes to pricing, both tools offer free tiers, making them accessible for testing. For paid plans, Grammarly is more affordable at $12/month compared to $20/month.

Use Cases & Target Audience

Gemini 3 Pro is particularly well-suited for Large projects, budget-conscious users, multimodal tasks. Its strengths make it ideal for professionals who need advanced coding help, quality content creation, and reliable AI assistance.

Grammarly, on the other hand, excels at Grammar checking, professional emails, academic writing. Users who prioritize fast response times, complex reasoning, will find it particularly valuable.

Gemini 3 Pro Pros & Cons

Pros

  • Best value - cheapest premium model
  • Massive 1M+ token context
  • First model to hit 1500 Elo
  • True multimodal (video, audio, text, images)
  • Excellent for large codebases

Cons

  • Writing style less polished than Claude
  • Google ecosystem integration can be limiting
  • Deep Think mode limited to Ultra subscribers

Grammarly Pros & Cons

Pros

  • Works everywhere (browser, desktop, mobile)
  • Excellent grammar and spelling
  • Tone detection
  • Plagiarism checker
  • GrammarlyGO AI assistant

Cons

  • Not for creative writing
  • Premium features require subscription
  • Can be overly corrective

Best For: Gemini 3

Large projects, budget-conscious users, multimodal tasks

Best For: Grammarly

Grammar checking, professional emails, academic writing

Frequently Asked Questions

Common questions about Gemini 3 vs Grammarly

Is Gemini 3 Pro better than Grammarly in 2026?

Based on our benchmarks and analysis, Gemini 3 Pro performs better overall with a rating of 4.8/5. However, the best choice depends on your specific needs - Gemini 3 Pro excels at Large projects, budget-conscious users, multimodal tasks, while Grammarly is better for Grammar checking, professional emails, academic writing.

What is the price difference between Gemini 3 and Grammarly?

Gemini 3 Pro offers a free tier and costs $20/month for paid plans. Grammarly offers a free tier and costs $12/month for paid plans.

Which is better for coding: Gemini 3 or Grammarly?

Both tools can assist with coding tasks. Check our detailed comparison above to see benchmark results.

Can I use Gemini 3 and Grammarly for free?

Gemini 3 Pro does offer a free tier with limited features. Grammarly does offer a free tier with limited features. Both tools offer trial periods or limited free access for new users.

Which AI has a larger context window: Gemini 3 or Grammarly?

Gemini 3 Pro has a larger context window at 1,048,576 tokens, compared to 50,000 tokens. Larger context windows allow processing more text in a single conversation.

Is Gemini 3 faster than Grammarly?

In our speed tests, Grammarly is faster with a speed rating of 5.0/5. Response times can vary based on server load and query complexity.

Which is better for writing content: Gemini 3 or Grammarly?

For content writing, Grammarly excels with a writing rating of 4.8/5 versus 4.5/5. Consider your specific writing needs when choosing.

Do Gemini 3 and Grammarly support image generation?

Gemini 3 Pro supports image understanding and analysis. Grammarly does not have built-in image capabilities. For dedicated image generation, consider specialized tools like DALL-E or Midjourney.

Which AI should beginners choose: Gemini 3 or Grammarly?

For beginners, we recommend starting with either - both offer free tiers to experiment. Gemini 3 Pro has a slightly better overall user experience based on our testing.

Can I switch from Gemini 3 to Grammarly easily?

Yes, switching between AI tools is straightforward since they use similar prompting interfaces. Your conversation history won't transfer, but you can export important outputs. Many professionals use both tools depending on the task - Gemini 3 Pro for Large projects, budget-conscious users, multimodal tasks and Grammarly for Grammar checking, professional emails, academic writing.

Ready to Get Started?

Both tools offer free tiers or trials. Try them out and see which one works best for your workflow in 2026.