ChatGPT vs Monica comparison

ChatGPT and Monica compared side by side in AI.

CurrencyUSDKRWEUR

ChatGPT

The most widely used general-purpose AI chatbot. Chat, writing, coding, image generation and web search in one place

What is good

  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat

What could be better

  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans

ChatGPT official site

Monica

An all-in-one AI assistant, via browser extension and app, that lets you use GPT, Claude, Gemini, Grok and others, and also summarizes, translates and generates images

What is good

  • Call it from any web page via the browser sidebar
  • Rich summary, translation and writing tools
  • Korean interface available

What could be better

  • The official price list is shown only in the browser, so it is hard to confirm externally
  • Plan names change often (Pro+/Unlimited → Max/Ultra)

Monica official site

At a glance

Highlighted rows are where they differ.

ItemChatGPTVisit siteMonicaVisit site
Starting price$8+Official USD priceCheck siteUnverified
Free tierFree plan availableFree plan available
Korean supportGoodGood
Main models
  • GPT-6 (Sol)
  • GPT-6 Luna
  • GPT-6 Pro (Astra)
  • GPT-6.1 Sol
  • Image: ChatGPT Images 2.5
GPT-5.5/5.x/4o, Claude 4.7 Opus/3.7 Sonnet/Fable 5, Gemini 3.1 Pro/3/2.5, Grok 3, Mistral, Perplexity, Llama and others + image and video generation models (per the official help page and third-party summaries)
Pricing type-Free, Monthly subscription, Pay-as-you-go/Credits
TypeAI servicesAI apps
CategoryChatbot/Assistant, Image Generation, CodingAll-in-One AI Platform
CompanyOpenAI, United StatesMonica (Butterfly Effect group, needs checking), Other
Plans
  • Free
  • Go $8
  • Plus $20
  • Pro $100/$200/$500
  • Business $25 (annual $20)
  • Enterprise/Edu
  • Free (40 basic queries per day)
  • Pro (200 advanced per month + 1,500 credits)
  • Max
  • Ultra. Subscription prices need checking (per third-party sources Pro is about $8.3 per month). Extra credits: 4,000 = $10
Pros
  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat
  • Call it from any web page via the browser sidebar
  • Rich summary, translation and writing tools
  • Korean interface available
  • Extra credits can be purchased
Cons
  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans
  • The official price list is shown only in the browser, so it is hard to confirm externally
  • Plan names change often (Pro+/Unlimited → Max/Ultra)
  • The free plan cannot use advanced models

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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