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Which AI agent should be my personal assistant?

An AI that does multi-step tasks for you across apps. Last reviewed · Scored with the agent rubric

How to read this: scores are editorial estimates from public information and documented capabilities. We did not run these tools, so every score is labelled Docs-only. Prices are as reported and may be out of date.

Best pick Docs-only

ChatGPT

81of 100

The default pick: Plus at $20/mo covers research, files, web workflows and finished deliverables, and its cloud browser is included on paid plans except Go, per dreaming.press.

Best for
A general-purpose starting point
Watch out
Review its actions on anything involving money or messages.
Price (as reported)
Reported: Free; Go $8/mo; Plus $20/mo; higher tiers for heavy use.
Links
Official site · Sources and details
Score breakdown
Task completion24/30
Useful autonomy12/15
Safety and approvals12/15
Cost predictability7/10
Setup effort8/10
Maturity and availability9/10
Integrations and reach9/10

Runners-up

#2 Docs-only

Claude

79of 100

Pro at $20/mo is recommended for careful document work and browser actions, with safer confirmation behaviour, per roundups.

Best for
Careful document work
Watch out
Usage limits apply.
Price (as reported)
Per claude.com/pricing (cited in search): Pro $20/mo, or $17/mo billed annually; usage limits apply.
Links
Official site · Sources and details
Score breakdown
Task completion23/30
Useful autonomy11/15
Safety and approvals14/15
Cost predictability7/10
Setup effort8/10
Maturity and availability8/10
Integrations and reach8/10
#3 Docs-only

Google Gemini (app)

76of 100

Best if you live in Google Workspace. Agent features require Google AI Pro ($19.99/mo) and are largely US-only.

Best for
Google Workspace users in the US
Watch out
US-only agent features.
Price (as reported)
Reported: Google AI Plus $4.99/mo (US); Google AI Pro $19.99/mo, which agent features require. Some agent features are US-only.
Links
Official site · Sources and details
Agent features US-only (reported)
Score breakdown
Task completion22/30
Useful autonomy11/15
Safety and approvals12/15
Cost predictability7/10
Setup effort8/10
Maturity and availability7/10
Integrations and reach9/10
#4 Docs-only Agent

Manus

67of 100

Autonomous research-to-slides and site tasks, from $20/mo.

Best for
One-off big autonomous jobs
Watch out
Credits make costs unpredictable.
Price (as reported)
Reported: from $20/mo, credit-based.
Links
Official site · Sources and details
Cost unpredictable (credits)
Score breakdown
Task completion21/30
Useful autonomy13/15
Safety and approvals8/15
Cost predictability4/10
Setup effort8/10
Maturity and availability7/10
Integrations and reach6/10

Compared

#ToolScoreBest forEvidence
1ChatGPT81A general-purpose starting pointDocs-only
2Claude79Careful document workDocs-only
3Google Gemini (app)76Google Workspace users in the USDocs-only
4Manus67One-off big autonomous jobsDocs-only

Editor's note: Watch list: Claude Duet (research preview, waitlist, US only) launched 23 Oct 2026 and is not ranked here until it is generally available.

Sources