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 user ratings from G2, Capterra, GetApp, TrustRadius and Gartner Peer Insights. 6 vendors from our AI Marketing Software category are compared side by side, with every detail on this page — no extra clicks required.

Scores from 5 review platformsIndependent comparisonTransparent pricing

6 vendors compared

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4.6

Overall score

G24.7
Capterra4.8
GetApp4.8
TrustRadius4.6
Gartner Peer Insights4.0

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
TrustRadius4.6
Gartner Peer Insights4.1

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
TrustRadius4.5
Gartner Peer Insights4.0

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
TrustRadius4.0
Gartner Peer Insights3.5

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

Book a demo

3.9

Overall score

G23.9
Capterra4.0
GetApp3.9
TrustRadius4.0
Gartner Peer Insights3.5

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
TrustRadius3.9
Gartner Peer Insights3.4

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

How to choose AI Assistants in 2026

AI Assistants tools consolidate work that teams otherwise split across several point solutions. This list covers 6 vendors from our AI Marketing Software category that genuinely serve the use case and are available to US buyers. The average overall score across the rated vendors is 4.2 out of 5, and entry pricing ranges from ab 18 € / Nutzer / Monat – ab 25€ / Monat.

ChatGPT Business currently leads the list at 4.6/5: Universal AI assistant for marketing teams Claude (Anthropic) follows closely at 4.5/5 — AI assistant for long-form texts, analyses, and marketing research If budget is the deciding factor, Claude (Anthropic) offers the lowest entry point at from $18 / user / month.

You can evaluate most options before any purchase order: ChatGPT Business, Claude (Anthropic) and Perplexity offer a permanently free plan. Google Gemini, Microsoft Copilot and ChatGPT grant access through a guided demo only — come prepared with seat counts, data volumes and must-have integrations.

Headquarters matter for procurement and data processing: 6 of 6 vendors here are US-based, the rest are European. US teams selling into the EU should confirm data residency options and EU-US Data Privacy Framework participation early.

Pricing and trial options at a glance

Vendor	Starting price	Try it	Score	Headquarters
ChatGPT Business	from $25 / month	Free plan	4.6	–
Claude (Anthropic)	from $18 / user / month	Free plan	4.5	–
Perplexity	starting at $20 / month	Free plan	4.4	–
Google Gemini	Included in Google One/Workspace subscription	Demo / quote	3.9	USA
Microsoft Copilot	Price on request	Demo / quote	3.9	USA
ChatGPT	Free version available	Demo / quote	3.8	USA

Six criteria that actually decide the shortlist

Fit with your core workflow

Feature counts matter less than whether the tool runs your main AI Assistants workflow without workarounds. Write down the three tasks your team performs daily and test exactly those.

Total cost, not list price

Entry prices such as ab 18 € / Nutzer / Monat – ab 25€ / Monat are typically per seat and month on annual billing. Add extra seats, contact tiers, onboarding fees and paid add-ons before comparing.

Integrations

Check whether your CRM, storefront, analytics and ad accounts connect natively or only through Zapier/Make. Native connectors reduce maintenance and prevent reporting gaps.

Security and compliance

Ask for SOC 2 status, data residency options, retention settings and consent handling. Teams with EU customers should also confirm DPA availability and Data Privacy Framework participation.

Onboarding and support

Implementation packages, response-time commitments and a maintained knowledge base decide whether a tool is still in use after three months. Clarify support tiers before signing.

Exit and data portability

Contract term, notice period and export formats belong in the evaluation. CSV or API exports on demand keep you free to switch later.

Which option fits which team

Solo operators and small teams

ChatGPT Business covers the entry level without a big budget. Prioritize fast setup, few required fields and pricing that scales only as you grow.

Mid-market teams with established processes

ChatGPT Business and Claude (Anthropic) provide the broadest functional base in this list and adapt to existing workflows. Look closely at roles and permissions plus automations that span departments.

Enterprise and regulated industries

Google Gemini and similar vendors work from custom quotes with SSO, audit logs and named contacts. Contract and security documentation matters more than the list price here.

Common mistakes buyers make

Choosing the longest feature list instead of testing the three workflows that drive revenue.
Running the trial without real data and without the colleagues who will use the tool daily.
Underestimating migration: data cleanup, deduplication and field mapping usually take longer than setup.
Ignoring usage-based tiers tied to contacts, seats or send volume — the next tier arrives faster than planned.

Pricing, plans and features change frequently. We re-check the figures against vendors' public pricing pages; the vendor's own terms always take precedence for contract decisions.

How we rate

Every list follows the same four steps – so scores stay comparable across categories.

1Shortlist: we include vendors that genuinely serve this use case and are available to US teams.
2Review data: we aggregate ratings from G2, Capterra, GetApp, TrustRadius and Gartner Peer Insights into one overall score.
3Pricing check: entry prices are taken from the vendor's public pricing page in USD, per user and month unless stated otherwise.
4Context: pros, cons and highlights summarize recurring feedback from the review platforms and the vendors' own documentation.

Independence: rankings are never sold. Some links are affiliate links – the price stays the same for you and does not influence the score.

Frequently asked questions

Which AI Assistants tool is the best choice in 2026?

ChatGPT Business currently leads this list with an overall score of 4.6 out of 5, averaged across all review platforms. Depending on team size and budget, the other AI Assistants vendors above can be the better fit – use the filters to narrow it down.

Is there a free AI Assistants tool?

Yes. These vendors offer a free plan or a free trial: ChatGPT Business, Claude (Anthropic), Perplexity.

How much does AI Assistants cost?

The lowest entry price in this comparison is Claude (Anthropic) at ab 18 € / Nutzer / Monat. Prices scale with contacts, users or feature tier.