By job role ・ Marketers

Best AI tools for marketers

A recommended ranking of AI for articles, ad copy, social posts and competitor research, compared for marketers by language support and search ability.

A. Which AI is best for Marketers?

#1 is ChatGPT. Then Google Gemini and Claude. Ordered with a focus on Japanese support・Web search.

Use cases

AI use cases for Marketers

SEO articles & blog postsAd copy & landing-page textProducing social media posts at scaleCompetitor & market researchNewsletters & email sequences

ChatGPT

OpenAI ・ Popularity score 82.2 ・ share 80.1%

Free tier

$8/mo+

OpenAI's AI chat — the default choice, leading the global AI chatbot market share by a wide margin.

Japanese support: ○Web search: ○View data →

Google Gemini

Google ・ Popularity score 44.2 ・ share 11.0%

Free tier

$7.99/mo+

Google's AI chat — strong at search and Google-service integration; share is rising fast, especially in Japan.

Japanese support: ○Web search: ○View data →

Claude

Anthropic ・ Popularity score 32.5 ・ share 1.9%

Free tier

$20/mo+

Anthropic's AI chat — praised for long-form writing, coding and careful prose; share is trending up.

Japanese support: ○Web search: ○View data →

Perplexity

Perplexity AI ・ Popularity score 31.5 ・ share 4.9%

Free tier

$20/mo+

An AI search engine that answers with citations; very popular for search use cases.

Japanese support: ○Web search: ○View data →

Source: StatCounter (popularity share) + each official site (features, pricing) ／ Captured: 2026-09 （provisional）／ Reference ranking by our editors
The current month is a provisional, month-to-date figure. Month-over-month change and risers/fallers are based on the latest completed month.

Frequently asked questions

Which AI is the best for Marketers?

ChatGPT. The rating prioritizes support for Japanese support・Web search and popularity.

What kind of work can Marketers use AI for?

It can help with SEO articles & blog posts, Ad copy & landing-page text, Producing social media posts at scale, Competitor & market research and more.

Can I use it for free?

Many of the AIs featured have a free plan, so we recommend trying them for free first before considering a paid plan.

Explore other roles & use cases

AI for Engineers→AI for Sales→AI for Writers→AI for Designers→AI for Accounting & back office→Overall AI popularity ranking→

⚠ These rankings are reference values based on public market-share data, web-traffic estimates and editorial research, and do not represent a complete count of every user of each AI tool. Rankings change with the measurement method (web-visit share vs. market share, etc.). Always check each official site for the latest information.