Last updated: August 2026

AI Assistants: The Best Tools Compared in 2026

We reviewed the leading AI Assistants platforms for US marketing and sales teams — comparing starting prices in USD, free plans and trials, feature depth, integrations and more than 12,000 verified user reviews from G2, Capterra, GetApp and Trustpilot. 6 vendors from our AI Marketing Software category are compared side by side, with every detail on this page — no extra clicks required.

12,480 reviews analyzedIndependent editorial teamReviewed monthly

6 vendors compared

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4.6

Overall score

G24.7
Capterra4.8
GetApp4.8
OMR Reviews4.6
Trustpilot4.0

Average score across 5 review platforms

ChatGPT Business

Universal AI assistant for marketing teams

ContentAnalytics & DataLLMMultimodalTextImageCode

Research, text drafts, data analysis, and image ideas run in one tool instead of five specialized tools.
Custom GPTs handle recurring marketing tasks as shared assistants.
In the Business plan, content is not used for model training.

Top 3 pros

Very broad application possibilities
Custom assistants without code
No training on company data

Top 3 cons

Results must be reviewed
No specialized marketing workflows
Data processing in the US

from $25 / month

Pro: $60 / month

Free Version

Business from $25 / user

Start free trial

4.5

Overall score

G24.5
Capterra4.6
GetApp4.5
OMR Reviews4.6
Trustpilot4.1

Average score across 5 review platforms

Claude (Anthropic)

AI assistant for long-form texts, analyses, and marketing research

ContentAnalytics & DataLLMTextCode

Processes very long documents; suitable for content audits, briefs, and reports.
Projects bundle brand guidelines and tone of voice as persistent context.
Artifacts generate directly usable text modules, tables, and code snippets.
Enterprise plans with SSO and data processing without model training.

Top 3 pros

Very good text quality in German
Strong handling of large document volumes
Clear data privacy options for teams

Top 3 cons

No integrated image generation
Fewer marketing templates than specialized tools

from $18 / user / month

Team from $30 / user / month

Free Plan

Free Use With Limits

Start free trial

4.4

Overall score

G24.4
Capterra4.5
GetApp4.4
OMR Reviews4.5
Trustpilot4.0

Average score across 5 review platforms

Perplexity

AI search with source citations for market and competitor research

ContentAnalytics & DataLLMText

Answers research inquiries with cited sources instead of freely invented content.
Spaces collect research on competitors, target groups, and markets in one place.
Useful for Answer Engine Optimization: shows which sources shape AI answers.
Enterprise version with SSO and excluded model training.

Top 3 pros

Source citations make results verifiable
Very fast for competitor research
Good free entry point

Top 3 cons

Not a full-fledged content production tool
Quality depends on source availability

starting at $20 / month

Enterprise from $40 / user / month

Free Plan

Basic Use Free

Start free trial

3.9

Overall score

G23.9
Capterra4.0
GetApp3.9
OMR Reviews4.0
Trustpilot3.5

Average score across 5 review platforms

Google Gemini

AI assistant for text, research, and automation in daily marketing

Headquarters: USAAI Agent

ContentAnalytics & DataLLMMultimodalTextImageCode

Multimodal AI model from Google that writes texts, interprets images, and can be used as an assistant in Google Workspace and proprietary applications.
The Gemini API allows automations for content creation, research, or data analysis to be integrated into proprietary marketing tools.
Helpful in daily marketing for text drafts, campaign ideas, and quick summaries of large data sets or documents.

Top 3 pros

Tight integration with Google Workspace and Search
Multimodal capabilities for text, image, and data
API connectivity possible for custom automations

Top 3 cons

Results still require editorial review
Full functionality sometimes tied to Google One/Workspace subscription
Data processing outside the EU needs review

Included in Google One/Workspace subscription

API usage is consumption-based

Personal Demo

Custom quote

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3.9

Overall score

G23.9
Capterra4.0
GetApp3.9
OMR Reviews4.0
Trustpilot3.5

Average score across 5 review platforms

Microsoft Copilot

Microsoft AI assistant for text work, research, and Office automation

Headquarters: USAAI Agent

ContentAnalytics & DataLLMTextPresentationCode

AI assistant that drafts texts, summarizes data, and prepares presentations in Word, Excel, PowerPoint, Outlook, and Teams.
Access to internal company documents via Microsoft Graph enables context-specific answers instead of generic general knowledge outputs.
Relevant for marketing and office teams looking to accelerate routine tasks like drafts, summaries, or slide decks directly within familiar Microsoft applications.

Top 3 pros

Directly integrated into Word, Excel, PowerPoint, and Teams
Access to company-specific documents via Microsoft Graph
No separate tool needed if Microsoft 365 is already in use

Top 3 cons

Additional costs on top of existing Microsoft 365 licenses
Answer quality highly dependent on clean data structure
Full functionality only with appropriate license package

Price on request

Additional license per user

Personal Demo

Custom quote

Book a demo

3.8

Overall score

G23.8
Capterra3.9
GetApp3.8
OMR Reviews3.9
Trustpilot3.4

Average score across 5 review platforms

ChatGPT

AI assistant for content drafts, research, and marketing workflows

Headquarters: USAOpenAI

ContentAnalytics & DataLLMMultimodalTextImageCode

Universal AI assistant for text drafts, briefings, ideation, translations, and analyses – often the entry point for AI work in marketing.
Custom GPTs and project folders capture tone of voice, target audiences, and brand rules, making results more consistent across teams.
Business plans offer admin rights, SSO, and the assurance that input is not used for model training.

Top 3 pros

Very broad application possibilities in daily marketing
Custom GPTs for recurring tasks
Business plans with data protection assurances

Top 3 cons

Fact-checking remains mandatory
No marketing-specific reporting
Company data privacy approval required

Free version available

Price per user & month

Personal Demo

Custom quote

Book a demo