The Mac app is free. Local models have no per-request fees. Cloud providers using BYOK may charge their own fees.
Free: 25 credits on sign-up for image generation. Starter: $1.99 for 1,500 credits. Plus: $9.99 for 10,000 credits (most popular). Pro: $99.99 for 100,000 credits. Pay-as-you-go with no subscription; credits expire after 60 days. GPT Image 2 Saver costs $0.005 per image.
Key features
Chat with PDFs and get answers grounded in the document
Citations that follow back to exact pages
Offline PDF summaries with Local AI
Multi-document research across folders
Highlights and annotations with organization
Multiple export formats including HTML and PDF
Web share links for selected content
31,000+ prompt templates
Support for multiple image models including GPT Image 2, Nano Banana and Seedream
Web-based image generation with integrated generator
Each template includes full prompt text, metadata, categories and example images
Machine-readable access through OpenAPI, Agent Skills and MCP
Templates translated into 18 languages
Free browsing and copying of all templates without account
Prompt templates with recommended models and aspect ratios
What makes it different
Keeps PDFs and AI inference on your Mac for privacy
Citations and highlights keep research connected to sources
Works offline after model download
No account or document quota required
Supports multiple leading image generation models in one place
All templates free to copy; no account or payment required for browsing
Machine-readable API and dataset access for developers and AI agents
Prompts sourced from open-licensed collections with full attribution and links to creators
Collate
GPT Image Hub