ChatGPT vs Merlin AI comparison

By starting price alone, ChatGPT is $21 cheaper. But price is not everything, so check the highlighted rows in the table below.

ChatGPT and Merlin AI 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

Merlin AI

An all-in-one AI assistant, via Chrome extension and web, that lets you use major models such as GPT, Claude and Gemini with one subscription

What is good

  • Call it anywhere on the web, YouTube and email with the browser extension
  • Team plan with a minimum of 2 seats makes it easy for small teams to adopt
  • SOC2, GDPR, ISO 27001

What could be better

  • Promoted as 'unlimited' but a real cost cap exists
  • Free limits not disclosed

Merlin AI official site

At a glance

Highlighted rows are where they differ.

ItemChatGPTVisit siteMerlin AIVisit site
Starting price$8+Official USD price$29+External source
Free tierFree plan availableFree plan available
Korean supportGoodAverage
Main models
  • GPT-6 (Sol)
  • GPT-6 Luna
  • GPT-6 Pro (Astra)
  • GPT-6.1 Sol
  • Image: ChatGPT Images 2.5
OpenAI GPT family, Anthropic Claude family, Google Gemini family + some advanced reasoning models, image generation (detailed versions need checking)
Pricing type-Monthly subscription, Free
TypeAI servicesAI apps
CategoryChatbot/Assistant, Image Generation, CodingAll-in-One AI Platform
CompanyOpenAI, United StatesFoyer Tech (India), Other
Plans
  • Free
  • Go $8
  • Plus $20
  • Pro $100/$200/$500
  • Business $25 (annual $20)
  • Enterprise/Edu
  • Free
  • Pro $29/mo ($228 per year, about $19 per month)
  • Teams 1 seat $19/mo (about $15 per month annually, minimum 2 seats) — based on third-party sources (2026-10)
Pros
  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat
  • Call it anywhere on the web, YouTube and email with the browser extension
  • Team plan with a minimum of 2 seats makes it easy for small teams to adopt
  • SOC2, GDPR, ISO 27001
Cons
  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans
  • Promoted as 'unlimited' but a real cost cap exists
  • Free limits not disclosed
  • The official price list is hard to confirm externally

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

Prices converted at 1 USD = ₩1,325.57 (2026-10-21). Original price shown in brackets. Taxes as listed by each provider.

Add to compare+ Gemini+ Microsoft Copilot+ Claude

Related comparisons

Add other services to compare