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AI comparison

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AI comparison
Google AI Studio★ TOP
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ChatGPT (OpenAI)★ TOP
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CategoryChat & assistants · Chatbots & LLMsChat & assistants · Chatbots & LLMs
In one sentence—The assistant that made generative AI mainstream and now also works for you for hours on end.
Free plan✓ Yes✓ Yes
PriceFree (generous quota)Free / Go €8/mo / Plus €23/mo
Plans and pricing—
  • Free €0
  • Go €8/month
  • Plus €23/month ($20)
  • Pro 100 / 200 / 500 €103 / €229 / €510 a month ($100 / $200 / $500)
  • Business $25/user/month ($20 billed annually)
AIAO score98/10099/100 best
Member ratingNot enough ratings yetNot enough ratings yet
LanguagesNo verified dataNo verified data
Where to use itNo verified dataWeb, iOS, Android and desktop app for Windows and macOS.
Pros
  • Clasificada como TOP (98/100) por su adopción masiva en la industria, excelente calidad de resultados y fiabilidad superior frente a competidores directos.
  • The Swiss Army knife of AI: writes, summarises, translates, codes, analyses files, searches the web, talks by voice and creates images in one window.
  • Interactive answers with GPT-6: charts, comparisons, maps or calculators inside the chat.
  • ChatGPT Work and Codex work for hours on complex tasks and hand back the finished result.
  • Generous free plan (GPT-6 Luna, no fixed cap on text chats) and a huge ecosystem of GPTs and connectors.
Cons—
  • Ads on the Free and Go plans in Spain; removing them means upgrading to Plus.
  • Privacy could be better: training on by default and a €15 million fine in Italy (2024).
  • Confusing line-up: model names that change every few months and three Pro plans, the top one above €500 a month.
Use cases—
  • Anyone who wants a single assistant for everything (studying, writing, getting organised); professionals and freelancers who want to delegate reports, slides or spreadsheets; developers (with Codex).
  • For long jobs, such as a report with its spreadsheet and slide deck, use ChatGPT Work in the desktop app (also on the free plan, with limits). For personal matters, open a temporary chat: it is not used for training and is deleted after 30 days.
Privacy and dataNo verified dataTurn off training in Settings > Data controls > “Improve the model for everyone”. Temporary chats are deleted after 30 days. On ad-supported plans, ads may use the conversation context; OpenAI says it does not sell your data.
ProfileView details →View details →
✕
Category
Chat & assistants · Chatbots & LLMs
In one sentence
—
Free plan
✓ Yes
Price
Free (generous quota)
Plans and pricing
—
AIAO score
98/100
Member rating
Not enough ratings yet
Languages
No verified data
Where to use it
No verified data
Pros
  • Clasificada como TOP (98/100) por su adopción masiva en la industria, excelente calidad de resultados y fiabilidad superior frente a competidores directos.
Cons
—
Use cases
—
Privacy and data
No verified data
View details →
✕
Category
Chat & assistants · Chatbots & LLMs
In one sentence
The assistant that made generative AI mainstream and now also works for you for hours on end.
Free plan
✓ Yes
Price
Free / Go €8/mo / Plus €23/mo
Plans and pricing
  • Free €0
  • Go €8/month
  • Plus €23/month ($20)
  • Pro 100 / 200 / 500 €103 / €229 / €510 a month ($100 / $200 / $500)
  • Business $25/user/month ($20 billed annually)
AIAO score
99/100 best
Member rating
Not enough ratings yet
Languages
No verified data
Where to use it
Web, iOS, Android and desktop app for Windows and macOS.
Pros
  • The Swiss Army knife of AI: writes, summarises, translates, codes, analyses files, searches the web, talks by voice and creates images in one window.
  • Interactive answers with GPT-6: charts, comparisons, maps or calculators inside the chat.
  • ChatGPT Work and Codex work for hours on complex tasks and hand back the finished result.
  • Generous free plan (GPT-6 Luna, no fixed cap on text chats) and a huge ecosystem of GPTs and connectors.
Cons
  • Ads on the Free and Go plans in Spain; removing them means upgrading to Plus.
  • Privacy could be better: training on by default and a €15 million fine in Italy (2024).
  • Confusing line-up: model names that change every few months and three Pro plans, the top one above €500 a month.
Use cases
  • Anyone who wants a single assistant for everything (studying, writing, getting organised); professionals and freelancers who want to delegate reports, slides or spreadsheets; developers (with Codex).
  • For long jobs, such as a report with its spreadsheet and slide deck, use ChatGPT Work in the desktop app (also on the free plan, with limits). For personal matters, open a temporary chat: it is not used for training and is deleted after 30 days.
Privacy and data
Turn off training in Settings > Data controls > “Improve the model for everyone”. Temporary chats are deleted after 30 days. On ad-supported plans, ads may use the conversation context; OpenAI says it does not sell your data.
View details →

Data from INDEXIA profiles. The 10 most used AI tools include plans, platforms and privacy checked on 4 November 2026.