CL

Claude 3 Opus

93 /100
VS
GR

Grammarly

90 /100

Claude 3 Opus vs Grammarly

Complete comparison of features, pricing, output quality, and use cases. Find out which AI tool is the right choice for you.

CL

Claude 3 Opus

Anthropic's most powerful AI model

Claude 3 Opus is Anthropic's flagship AI model, offering the highest level of intelligence for complex tasks. It excels at sophisticated analysis, nuanced content creation, and advanced coding.

Complex analysisResearch papersAdvanced codingStrategic planningTechnical writing
Starting at

$20/mo

Try Claude 3 Opus
GR

Grammarly

AI-powered writing assistant

Grammarly is an AI writing assistant that helps improve grammar, spelling, punctuation, and style. It now includes generative AI features for content creation and rewriting.

Professional writingStudentsNon-native speakersEmail communicationBusiness documents
Starting at

$12/mo

Try Grammarly

Feature-by-Feature Comparison

Feature
CL
Claude 3 Opus
GR
Grammarly
Winner
Overall Rating
93/100
90/100
Claude 3 Opus
Intelligence
98

Highest intelligence level

Not available

Reasoning
97

Superior reasoning abilities

Not available

Writing
96

Exceptional writing quality

Not available

Context Window
95

200K token context

Not available

Accuracy
94

High factual accuracy

Not available

Grammar

Not available

98

Industry-leading grammar checking

Style

Not available

92

Excellent style suggestions

Tone

Not available

90

Accurate tone detection

Integration

Not available

95

Works across platforms

Generative AI

Not available

82

New AI writing features

Starting Price
$20/month
$12/month
Free tier available
Grammarly

Strengths & Weaknesses

CL
Claude 3 Opus

Strengths

  • Highest intelligence
  • Best for complex tasks
  • Excellent reasoning
  • Large context window
  • Strong safety

Weaknesses

  • Higher cost
  • Slower than Sonnet
  • No image generation
  • Conservative approach

GR
Grammarly

Strengths

  • Best-in-class grammar
  • Ubiquitous integration
  • User-friendly
  • Detailed explanations
  • Real-time checking

Weaknesses

  • Generative AI is basic
  • Premium features costly
  • False positives
  • Limited creative writing support

Our Verdict

Winner
CL

Claude 3 Opus

93/100

Anthropic's most powerful AI model

Complex analysisResearch papersAdvanced coding
Try Claude 3 Opus

Both Claude 3 Opus and Grammarly are excellent choices with similar capabilities. Claude 3 Opus excels at Complex analysis, while Grammarly is better suited for Professional writing. Your choice depends on your specific needs and workflow preferences.

Claude 3 Opus Excels At

  • Highest intelligence
  • Best for complex tasks
  • Excellent reasoning

Choose Grammarly If

  • You need: Professional writing
  • You need: Students
  • You need: Non-native speakers

Explore Alternatives

Related Resources

Claude 3 Opus vs Grammarly FAQ