Writeseed

From $20/mo · 7-day trial

What the maker publishes

AI models

The homepage says Writeseed supports models including GPT-5, Gemini, Claude, and Llama. source

Brand voice controls

Yes source

Brand voice

Users can train the AI by uploading text or providing a website link, and use the custom-trained AI with templates. source

Browser extension

Writeseed offers a Chrome extension for using AI in browser services such as Gmail and WordPress. source

Free plan

No source

Native integrations

2 source

Integrations

The Growth plan lists LinkedIn and WordPress integrations. source

Language support

multilingual source

Long-form writing

Yes source

Privacy

The privacy policy identifies Postbrands GmbH as the data controller and says it processes personal data under the GDPR. source

Product

Writeseed describes itself as an AI platform for writing, designing, and scheduling content. source

Productivity tools

The pricing page lists a summarizer, citations tool, note organizer, Chrome extension, and AI study planner. source

Research tools

The pricing page lists an AI researcher, topic explainer, and AI chatbot. source

SEO features

Yes source

SEO tools

Its SEO and NLP editor tracks SEO metrics and helps optimize content with NLP terms. source

Support

The terms page directs users with questions or dissatisfaction to [email protected]. source

Trial renewal

The pricing page says the introductory offer renews at the full price unless canceled at least 24 hours before the seven-day period ends. source

Writing tools

The pricing page lists a grammar checker, plagiarism checker, AI detector, AI humanizer, and paraphraser. source

Checked against the maker's pages on 12 Oct 2026.