Grammarly vs Jasper AI

Side-by-side comparison of Grammarly and Jasper AI: pricing, features, API access, and community ratings.

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	Grammarly AI writing assistant that catches grammar errors and improves clarity in real time. Visit	Jasper AI AI writing platform for marketing teams — brand voice, templates, and multi-channel campaigns. Visit
Category	Writing & editing	Writing & editing
Pricing	Freemium	Paid
Starting price	USD 12/mo	USD 39/mo
Free tier
Audience	Non-technical	Non-technical
API available
Open source
Self-hostable
Model provider	Grammarly	Anthropic / OpenAI
Founded	2009	2021
Headquarters	San Francisco, US	Austin, US
Key strengths	·Grammar and proofreading ·AI writing assistance and text generation ·Tone detection and adjustment ·Plagiarism and AI-generated text detection	·AI agents for end-to-end marketing workflows ·Brand voice and governance (Jasper IQ) ·Content pipelines for repeatability and scale ·GEO & AI optimization / brand citation tracking