Updated March 2026 · Independent Analysis
Google AI StudiovsGrammarly
Google AI Studio is free; Grammarly starts at $12/mo. Grammarly is rated higher at 4.7/5 vs Google AI Studio's 4.5/5.
Google AI Studio
Google's free development environment for experimenting with Gemini models and generating API keys for production deployment.
★ 4.5/5Founded 20232M+ users
Try Google AI Studio Free →
Grammarly
AI writing assistant for grammar, clarity, and tone — works across all your apps.
★ 4.7/5Founded 200930M+ users
Try Grammarly Free →⚡ Quick Stats
📊 Ratings Breakdown
Google AI Studio
4.5/5 avg
G2 Score4.5/5
Capterra Score4.4/5
Overall Avg4.45/5
Grammarly
4.7/5 avg
G2 Score4.7/5
Capterra Score4.7/5
Overall Avg4.7/5
⚡ Quick Verdict
Independent analysis based on features, pricing, and user ratings
Choose Google AI Studio if you need:
- ✓ Gemini 1.5 Pro/Flash
- ✓ 2M context window
- ✓ Multimodal input
- ✓ Prompt testing
- ✓ API key generation
Choose Grammarly if you need:
- ✓ Grammar checking
- ✓ Plagiarism detection
- ✓ Tone suggestions
- ✓ Style improvements
- ✓ Browser extension
🔧 Feature Comparison
Google AI Studio uniquely offers Gemini 1.5 Pro/Flash, 2M context window, Multimodal input. Grammarly uniquely offers Grammar checking, Plagiarism detection, Tone suggestions. Both share 0 features.
Feature
Google AI Studio
Grammarly
Gemini 1.5 Pro/Flash
✓
✗
2M context window
✓
✗
Multimodal input
✓
✗
Prompt testing
✓
✗
API key generation
✓
✗
System instructions
✓
✗
Function calling
✓
✗
Streaming
✓
✗
Code execution
✓
✗
Grounding with Google Search
✓
✗
Safety settings
✓
✗
PromptLibrary
✓
✗
Grammar checking
✗
✓
Plagiarism detection
✗
✓
Tone suggestions
✗
✓
Style improvements
✗
✓
Browser extension
✗
✓
MS Office plugin
✗
✓
Mobile app
✗
✓
Team style guide
✗
✓
Total Features
12
8
💰 Pricing Comparison
Google AI Studio is free; Grammarly starts at $12/mo.
Google AI Studio Plans
Free tier available
Free
Free- • Gemini 1.5 Flash free
- • 15 RPM limit
- • API key generation
Pay per use
Free- • Gemini 1.5 Pro
- • Higher rate limits
- • Production ready
Grammarly Plans
Free tier available
Free
Free- • Basic grammar
- • Spelling
- • Punctuation
PremiumBest Value
$12/month- • Style suggestions
- • Tone detection
- • Plagiarism checker
- • Full rewrites
Business
$15/month- • Team features
- • Style guide
- • Analytics
- • Priority support
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❓ Frequently Asked Questions
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