Assistants for scripts, blog posts, captions, newsletters, editing and research.
Quick answer
General-purpose assistants like ChatGPT and Claude cover most writing tasks — drafting, rewriting, summarising and brainstorming. Specialised tools add templates, brand voice and team workflows for marketing copy, while editors like Grammarly focus on correctness and tone.
General-purpose AI assistant from OpenAI
ChatGPT is OpenAI's conversational assistant for writing, brainstorming, research, image generation and data analysis, available on web, desktop and mobile.
Best for: Everyday scripting, ideation and research
AI assistant from Anthropic for writing and analysis
Claude is Anthropic's AI assistant for long-form writing, editing, analysis of documents and coding, with a large context window for working with long material.
Best for: Long-form writing and editing with lots of context
AI copy platform for marketing teams
Jasper is an AI content platform built for marketing teams, with brand voice, campaign workflows and templates for ads, emails, blogs and social posts.
Best for: Marketing teams that need on-brand copy at scale
| Feature | CChatGPT | CClaude | JJasper | CACopy.ai | GGrammarly |
|---|---|---|---|---|---|
| Best for | Everyday scripting, ideation and research | Long-form writing and editing with lots of context | Marketing teams that need on-brand copy at scale | Sales and marketing teams automating repetitive content | Polishing anything you publish |
| Editorial rating | |||||
| Pricing | Freemium | Freemium | Free trial | Freemium | Freemium |
| Free plan | Yes | Yes | No | Not verified | Yes |
| Free trial | Not verified | Not verified | Not verified | Not verified | Not verified |
| API | Yes | Yes | Yes | Not verified | No |
| Platforms | Web, iOS, Android, Windows, macOS | Web, iOS, Android, Windows, macOS | Web, Chrome | Web | Web, Chrome, Windows, macOS, iOS, Android |
| Visit ChatGPT | Visit Claude | Visit Jasper | Visit Copy.ai | Visit Grammarly |
Use a general assistant for drafting and brainstorming, and an editor for final proofreading. Always check facts, names and numbers in AI-written text before you publish, and add your own examples and voice so the result does not read as generic.
General-purpose AI assistant from OpenAI
ChatGPT is OpenAI's conversational assistant for writing, brainstorming, research, image generation and data analysis, available on web, desktop and mobile.
Best for: Everyday scripting, ideation and research
AI assistant from Anthropic for writing and analysis
Claude is Anthropic's AI assistant for long-form writing, editing, analysis of documents and coding, with a large context window for working with long material.
Best for: Long-form writing and editing with lots of context
AI copy platform for marketing teams
Jasper is an AI content platform built for marketing teams, with brand voice, campaign workflows and templates for ads, emails, blogs and social posts.
Best for: Marketing teams that need on-brand copy at scale
AI workflows for go-to-market content
Copy.ai provides AI chat and automated workflows for marketing and sales content, such as repurposing, prospect research and bulk content creation.
Best for: Sales and marketing teams automating repetitive content
AI writing assistant for clarity and correctness
Grammarly checks grammar, spelling, clarity and tone wherever you write and adds generative AI features for rewriting and drafting.
Best for: Polishing anything you publish
AI inside your notes, docs and content calendar
Notion is a workspace for notes, docs and databases; Notion AI adds writing help, summaries, Q&A over your workspace and meeting notes.
Best for: Creators who plan and write inside Notion
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