Claude vs Grammarly

Side-by-side comparison — features, pricing, pros and cons

Freemium

4.5

Anthropic's AI assistant built around safety and interpretability research, now featuring Claude 4.6 Opus with 1M token context in beta. Consistently ranks highest for long-document analysis, nuanced writing, and instruction-following accuracy. Claude Cowork provides enterprise-grade shared workspaces for team deployments.

Category:AI Assistants

Features

Claude 4.6 Opus model with 1M token context (beta)
Extended thinking mode for multi-step reasoning problems
Artifacts: live code, SVG, and React component previews
Projects with shared knowledge bases across team members
Claude Cowork for enterprise shared workspace management
+3 more

Pros

Highest instruction-following accuracy among major assistants on MT-Bench as of Q1 2026
1M context allows loading entire codebases or book-length documents without chunking
Extended thinking produces auditable reasoning chains, useful for regulated industries
Anthropic Constitutional AI training results in fewer harmful outputs without excessive refusals

Cons

Free tier caps out at ~20 messages per day on Claude 4.6 Sonnet; Opus access requires Pro plan
No native image generation — cannot produce images, only analyze them
Claude Cowork enterprise pricing requires sales call; no self-serve above Pro tier
1M context is beta-only and not available on free/Pro plans as of March 2026
Slower inference on Opus 4.6 than competing models at equivalent pricing

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Grammarly

Freemium

4.6

Grammarly is an AI-powered writing assistant that helps you communicate clearly and effectively. Beyond grammar and spelling, it offers tone detection, clarity improvements, and now generative AI features to help draft, rewrite, and enhance your writing across apps.

Features

Grammar and spelling check
Tone detection
Clarity suggestions
Generative AI writing
Plagiarism detection
+3 more

Pros

Works everywhere you write
Accurate corrections
Good tone suggestions
Generous free tier
Professional and trusted

Cons

Premium expensive
Can be overly prescriptive
AI features need work
Privacy concerns for some

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Tool	ClaudeView details →	GrammarlyView details →
Pricing	Freemium	Freemium
Rating	4.5	4.6
Category	AI Assistants	—
Description	Anthropic's AI assistant built around safety and interpretability research, now featuring Claude 4.6 Opus with 1M token context in beta. Consistently ranks highest for long-document analysis, nuanced writing, and instruction-following accuracy. Claude Cowork provides enterprise-grade shared workspaces for team deployments.	Grammarly is an AI-powered writing assistant that helps you communicate clearly and effectively. Beyond grammar and spelling, it offers tone detection, clarity improvements, and now generative AI features to help draft, rewrite, and enhance your writing across apps.
Features
Claude 4.6 Opus model with 1M token context (beta)
Extended thinking mode for multi-step reasoning problems
Artifacts: live code, SVG, and React component previews
Projects with shared knowledge bases across team members
Claude Cowork for enterprise shared workspace management
Vision: image and PDF analysis with positional referencing
Computer-use API for browser and desktop automation
Model Context Protocol (MCP) for tool integrations
Grammar and spelling check
Tone detection
Clarity suggestions
Generative AI writing
Plagiarism detection
Style guides
Browser and app integrations
Team analytics
Pros
	Highest instruction-following accuracy among major assistants on MT-Bench as of Q1 2026 1M context allows loading entire codebases or book-length documents without chunking Extended thinking produces auditable reasoning chains, useful for regulated industries Anthropic Constitutional AI training results in fewer harmful outputs without excessive refusals	Works everywhere you write Accurate corrections Good tone suggestions Generous free tier Professional and trusted
Cons
	Free tier caps out at ~20 messages per day on Claude 4.6 Sonnet; Opus access requires Pro plan No native image generation — cannot produce images, only analyze them Claude Cowork enterprise pricing requires sales call; no self-serve above Pro tier 1M context is beta-only and not available on free/Pro plans as of March 2026 Slower inference on Opus 4.6 than competing models at equivalent pricing	Premium expensive Can be overly prescriptive AI features need work Privacy concerns for some
Website	Visit	Visit