おすすめのAIパーソナルアシスタント

おすすめのAIパーソナルアシスタント の比較

価格は各社が公開している開始価格です。無料プランや試用は、価格ページに書いてあるときだけ載せます。

ランキング

仕事への適合、自律性、制御、連携、始めやすさ、情報の公開度で並べています。

価格、機能、要約

1. 1

   Lindy

   Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.

   Lindy is a shared AI teammate in Slack, email, and iMessage that can research, draft, update tools, and take meeting notes. It ships with 40+ skills and says it connects to 1,000+ tools plus MCP.

   料金

   From $29.99/user/mo

   The homepage at https://www.lindy.ai says you start with $50 in free credits and no credit card. After that, plans start at $29.99 per user per month for 3,000 credits each, credits are pooled, and top-ups are $10 per 1,000 credits. It names Pro, Max, and Enterprise above that entry price but does not list Pro or Max dollar amounts on the homepage text. Enterprise adds HIPAA, a BAA, SSO, and SCIM. Last checked 5 October 2026.

   主な機能

   Slack, Gmail, Notion, HubSpot, Google Drive, Google Calendar, iMessage, Calendar. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Lindyの料金と機能/Lindyの代替

2. 2

   Motion

   People who want a calendar that auto-schedules tasks and a notetaker in the same subscription.

   Motion combines tasks, projects, calendar, docs, and a meeting notetaker, and it schedules work onto the calendar automatically. It connects to Google and Outlook calendars, Zoom, Meet, Gmail, Slack, Teams, HubSpot, and Salesforce.

   料金

   From $19/seat/mo

   usemotion.com/pricing showed Pro AI at 19 per seat per month with 7,500 credits, and Business AI at 29 per seat per month with 15,000 credits, plus team features such as capacity planning, Gantt, and time tracking. Extra credits were listed at 25 cents per 100 on Pro AI and 19 cents per 100 on Business AI. The same cards also said "This plan is not available," so the page did not confirm monthly-billing or individual prices in this fetch. A free trial is advertised. No permanent free plan was listed. Last checked 5 October 2026.

   主な機能

   Google Calendar, Outlook, iCloud, Zoom, Google Meet, Gmail, Slack, Microsoft Teams. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Motionの料金と機能/Motionの代替

3. 3

   Saner.AI

   People who want one place for notes, mail, and tasks, with a free plan that already includes the connectors.

   Saner.AI is a notes, tasks, and email workspace with an assistant called Skai. It turns notes and mail into tasks, searches across what you have saved, and connects to Google Drive, email, Slack, and calendar on the free plan.

   料金

   Free, then $16/mo

   The Saner help center documents a free plan with no card: 30 AI messages and 30 AI requests per month, 100 notes, 1MB PDFs, and 100MB storage, plus Drive, email, Slack, and calendar. saner.ai/pricing showed $16/month beside 10MB PDFs and 100GB storage, and a middle column with 1,000 notes, 5MB PDFs, and 5GB. The FAQ says the Standard plan includes unlimited AI messages and notes under a fair-use policy, and that external models are pay-as-you-go or your own API key. Dollar amounts for the free and middle tiers did not render. Last checked 5 October 2026.

   主な機能

   Google Drive, Email, Slack, Google Calendar, Chrome. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Saner.AIの料金と機能/Saner.AIの代替

4. 4

   Manus

   People who want an agent that completes research and builds artifacts, with a free daily credit allotment.

   Manus is an agent that runs tasks in Chat Mode and Agent Mode, including research, slides, and website deployment on paid plans. The marketing homepage returned almost no product copy.

   料金

   Free, then from $20/mo

   The Manus Help Center article updated this week lists Free at $0 with 300 daily refresh credits, 1 concurrent task, and 2 scheduled automations, limited to Manus 2.0 Lite in Agent Mode. Pro starts at $20 per month with 4,000 monthly credits, or $40 per month with 8,000 credits and a 7-day trial. Both Pro tiers include 20 concurrent tasks and a 17% discount on annual billing. Team starts at $20 per seat per month. The help article says everything is subject to the pricing page. manus.im/pricing itself rendered no plan cards in this fetch. Last checked 5 October 2026.

   主な機能

   None named on the pages we opened. Sold to run the job rather than wait for a prompt on every step. Keep a way to stop it before it reaches a customer, a candidate, or a filing.

   Manusの料金と機能/Manusの代替

5. 5

   Martin

   Individuals who want an inbox and calendar assistant they can reach by text or phone.

   Martin is a personal agent you can text, call, email, or message in Slack. The site says it can schedule from email, draft and label mail, set reminders, and connect to other apps.

   料金

   From $21/mo billed yearly

   trymartin.com/pricing lists Basic at $21 per month billed yearly or $35 billed monthly, with basic models, limited proactive actions, and two tasks at a time. Pro is $30 per month billed yearly or $49 billed monthly, with more advanced models, unlimited proactive actions, and unlimited custom tasks. Both say "7 days free. Cancel Anytime." Last checked 5 October 2026.

   主な機能

   Email, Calendar, SMS, Slack, iOS. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Martinの料金と機能/Martinの代替

6. 6

   Gemini

   People already in Gmail, Drive, and Docs who want the assistant inside those apps.

   Gemini is Google's assistant in the Gemini app, with a free tier and paid Google AI plans that raise limits and add storage and Google app features. The subscriptions page lists Free, Google AI Plus, Google AI Pro, and Google AI Ultra.

   料金

   Free

   gemini.google/subscriptions lists a free plan with 3.6 Flash, varying 3.1 Pro access, Deep Research, and 15 GB storage. Google AI Plus and Pro features rendered (2x and 4x usage versus free, 400 GB and 5 TB) but their dollar prices did not. Google AI Ultra is $99.99 per month for 5x Pro limits and $199.99 per month for 20x Pro limits, with storage starting at 20 TB. A Google blog post opened separately calls these the $100 and $200 Ultra plans and says the previous top tier was $250. Plus and Pro monthly prices were not on the pages that loaded. Last checked 5 October 2026.

   主な機能

   Gmail, Google Docs, Google Drive, Google Photos, Chrome, YouTube. A person drives. The product drafts, searches, or suggests inside a workflow you already run.

   Geminiの料金と機能/Geminiの代替

7. 7

   Sintra

   Solo operators who want several role-based assistants in one subscription.

   Sintra sells role-based chat assistants for support, social, SEO, email, sales, recruiting, and personal admin. The pricing page says every plan includes all 12+ helpers, 250 monthly credits, and 15+ integrations.

   料金

   From $15.60/mo billed yearly (sale price)

   sintra.ai/pricing showed a sale: 1-month plan $48.50 (struck-through $97), 3-month plan $23.60 per month (total $70.80, struck-through $177), and 12-month plan $15.60 per month (total $187.20, struck-through $468). Each includes 250 monthly credits and a 14-day money-back guarantee. Individual helpers are also listed at $39 per month. The FAQ says advanced actions use credits and top-ups are available. This is a refund window, not a free trial. Last checked 5 October 2026.

   主な機能

   Email, Calendar, Social. It can carry a stretch of the work, then wait. A person still approves anything that leaves the building.

   Sintraの料金と機能/Sintraの代替

8. 8

   ChatGPT

   Individuals who want a general chat assistant and can start without a paid plan.

   ChatGPT is OpenAI's chat workspace for questions, files, images, and work. The public homepage in this pass was a login screen and did not list plans, prices, or connected apps.

   料金

   Not published

   chatgpt.com showed a login prompt and no prices. Fetches of openai.com/chatgpt/pricing and the ChatGPT Plus help article returned 403. A fetch of OpenAI's ChatGPT Go announcement timed out. Those URLs were not used as a price source. Last checked 5 October 2026.

   主な機能

   None named on the pages we opened. A person drives. The product drafts, searches, or suggests inside a workflow you already run.

   ChatGPTの料金と機能/ChatGPTの代替

近いカテゴリ

隣の仕事には別の一覧があります。

• おすすめのAI議事録
• AIエージェントを作るプラットフォーム
• おすすめのAIワークフロー自動化

よくある質問

すべての製品を同じ6項目で100点満点にします。順位は合計、適合、名前の順です。 方法の全文を読む.