PurePen AI – AI Content Generator with Claude, GPT-4o, Gemini & More

PurePen AI is a free AI content generator plugin for WordPress that lets you create publication-ready blog posts, page content, and SEO metadata without leaving the editor. Choose from 8 leading AI providers, enter a topic, and get a complete article — titles, full HTML body, tags, and meta excerpt — in seconds.

Whether you are a blogger, content marketer, or agency managing dozens of sites, PurePen AI saves hours of writing time while keeping you in full control of the output.

Why PurePen AI?

• Start for free — no API key needed. Five free generations are included on activation so you can try every feature immediately.

• Guided API key setup. When you are ready for unlimited use, a built-in step-by-step wizard walks you through getting a free API key from Groq or OpenRouter in under 2 minutes — no credit card required.

• Save your favourite settings as templates. Store named presets (provider + tone + language + length) and load them in one click. Never re-configure the same settings twice.

• Works inside the editor. The PurePen AI panel appears automatically in the Gutenberg sidebar and the Classic Editor meta box — no separate dashboard needed to generate content.

• Your data stays private. Content is sent directly from your server to the AI provider you choose. Nothing passes through our servers.

Core Features (Free)

• 8 AI providers — Anthropic Claude, OpenAI GPT-4o, Google Gemini, Mistral AI, Cohere, Groq, DeepSeek, and OpenRouter.

• One-click “Generate Everything” — titles, full HTML article, tags, and meta excerpt in a single request.

• Individual generators — generate only titles, only content, or only tags as needed.

• 5 title options — choose from five AI-generated title variants and apply with one click.

• Tag cloud — review AI-suggested tags and apply selected ones instantly.

• Content templates / presets — save your provider, tone, language, and length settings as named templates and reload them any time. Up to 20 templates per site.

• Guided onboarding wizard — step-by-step instructions to get a free API key from Groq, OpenRouter, or Google AI Studio, with a paste-and-save flow inside WordPress.

• 8 writing tones — Professional, Casual, Persuasive, Informative, Humorous, Formal, Inspirational, Conversational.

• 4 length targets — Short (~400 words), Medium (~850 words), Long (~1,600 words), Extra Long (~2,500 words).

• 18 languages — generate content in English, Spanish, French, German, Japanese, Arabic, Hindi, and 11 more.

• Multiple models per provider — select from the latest available models for each provider, including GPT-4o, Claude Sonnet, and Gemini 1.5 Pro.

• Generation history — optional log of every generation, searchable and paginated.

• Auto-save draft — automatically save generated content to the post on completion.

• Provider visibility controls — show or hide individual providers in the editor to keep the UI clean.

• Gutenberg and Classic Editor — full support for both editing experiences.

• WooCommerce compatible — works alongside WooCommerce and most popular plugins without conflicts.

Supported AI Providers

• Anthropic Claude — Claude Sonnet 4, Claude Opus 4, Claude Haiku (console.anthropic.com)

• OpenAI GPT — GPT-4o, GPT-4 Turbo, GPT-3.5 Turbo (platform.openai.com)

• Google Gemini — Gemini 1.5 Pro, Gemini 1.5 Flash (aistudio.google.com)

• Mistral AI — Mistral Large, Mistral Medium, Mistral Small, Mixtral (console.mistral.ai)

• Cohere — Command R+, Command R (dashboard.cohere.com)

• Groq — Llama 3.3 70B, Llama 3.1, Mixtral — free tier, no credit card (console.groq.com)

• DeepSeek — DeepSeek Chat V3, DeepSeek Reasoner R1 (platform.deepseek.com)

• OpenRouter — Access 100+ models including free tiers via one API key (openrouter.ai)

Pro Features

Bulk Content Generation

Upload a CSV or TXT file of keywords and generate hundreds of articles automatically.

• DB-backed queue with live status: pending → processing → done / failed

• WP-Cron scheduler (5 min, 15 min, 30 min, hourly, daily intervals)

• Keywords staggered to avoid API rate limits

• Auto-publish or save as draft on completion

• Yoast SEO and RankMath meta fields auto-filled per article

• 3-attempt retry with exponential back-off

• Pause, resume, and manual trigger controls

AI Image Engine

Generate and embed images for every article automatically.

• 4 image providers: DALL-E 3/2 (OpenAI), Gemini Imagen 3 (Google), Flux Schnell/Dev/Pro/Ultra (Replicate), Stable Image Ultra/Core/SD 3/SDXL (Stability AI)

• 3 image placement types: Featured image, Inline (inserted at H2 headings), Gallery (4 variants)

• 12 style presets: Photorealistic, Cinematic, Digital Art, Watercolor, Oil Painting, Anime, 3D Render, Flat Design, Minimalist, Illustration, Pencil Sketch, Neon Cyberpunk

• Test connection with live preview per provider

• Quick generator — test image generation without opening a post

• Auto aspect ratio conversion per provider

View the Pro version

Privacy Notice

PurePen AI sends your post topic, working title, and content excerpts to the external AI provider API you configure. Data travels directly from your WordPress server to that provider. Nothing is shared with the plugin authors.

Please review the privacy policy of the provider you use:

• Anthropic: https://www.anthropic.com/privacy

• OpenAI: https://openai.com/privacy

• Google: https://policies.google.com/privacy

• Mistral: https://legal.mistral.ai/terms/privacy-policy

• Cohere: https://cohere.com/privacy

• Groq: https://groq.com/privacy-policy/

• DeepSeek: https://cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html

• OpenRouter: https://openrouter.ai/privacy