Tools
Merlin vs Monica
Merlin or Monica? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.
In inglese
In short
- Both: Searches the web, Reads your files, Makes images, Mobile app
- Only Merlin states: Projects
- Only Monica states: Understands images, Voice conversation, Acts for you, Desktop app
Merlin
Merlin is an AI chat assistant, browser extension, and mobile app for writing, research, coding, summaries, images, and data analysis.
Plans
Merlin Free
Free
Merlin $2 plan
- $2/month
- $24 per year
- Access to key Pro-level features
- Smaller usage quota than Merlin Pro
Pro(mini)
- $5/month billed annually
- $60/year
- Access to top AI models
- 70+ AI tools for research and writing
- Same features as Merlin Pro, with about one-fifth of the usage
Prices checked 2026-09-24 on the maker’s page.
Capabilities
- Searches the web — “Use Live Search in tandem with websites and document sources to write precise, up-to-date reports” source
- Reads your files — “Just upload guidebooks or lecture PDFs, let Merlin learn from them and respond.” source
- Makes images — “Generate images with 20+ image models and aspect ratios for web and social media.” source
- Projects — “With Projects, add any context, create reusable knowledge bases and query repeatedly for tailored responses.” source
- Mobile app — “iOS app Android app” source
Latest updates
- We fixed the thing that kept breaking your code (Crafts v2)
The AI now builds files in stages, reads what it wrote, fills in sections iteratively, and files over 1,000 lines work.
- gpt-oss-120b live on Merlin!
Added gpt-oss-120b to Merlin.
- Merlin is turning agentic.
Launched Agentic Chat, where conversations use Live Search, Reasoning models, and Crafts.
Monica
Monica is an AI assistant for chat, search, writing, translation, summaries, image generation, and web-based tasks.
Plans
Ultra
- US$82.9/month
- US$995/year
- Unlimited access to basic models
- Unlimited access to advanced models
- Image and video generation
- AI Agent, Deep Research, and Create Slides
- 20,000 Advanced Credits
- Application Integration
Max
- US$16.6/month
- US$199/year
- Unlimited access to basic models
- Unlimited access to advanced models
- Image and video generation
- AI Agent, Deep Research, and Create Slides
- 4,500 Advanced Credits
- Application Integration
Pro
- US$8.3/month
- US$99/year
- 5,000 basic model queries monthly
- 200 advanced model queries monthly
- Image and video generation
- AI Agent, Deep Research, and Create Slides
- 1,500 Advanced Credits
- Application Integration
Free
Free
- 40 accesses to basic models daily
- Limited trial for image/video generation
- Basic model-driven smart writing, translation, and summary
- Limited trial for ChatPDF
- Limited trial for AI Agent
- Application Integration
Prices checked 2026-09-25 on the maker’s page.
Capabilities
- Searches the web — “Your powerful answer engine with real-time web access.” source
- Reads your files — “Chat with Files” source
- Understands images — “Screenshot & Ask AI Enhanced” source
- Makes images — “Turning your imagination into stunning images.” source
- Voice conversation — “Monica 6.5.1 Memo Upgrade and Live Voice” source
- Acts for you — “It browses websites, searches information, extracts data, and executes tasks just like a human would.” source
- Mobile app — “Available as a browser extension for Chrome and Edge, as well as a mobile and desktop app.” source
- Desktop app — “Available as a browser extension for Chrome and Edge, as well as a mobile and desktop app.” source