SoftwareGlimpse
Updated 2026-08-18

Microsoft 365 Copilot alternatives

Approved substitutes for Microsoft 365 Copilot from existing SoftwareGlimpse catalogue peers and editorial assessments. This is a job-fit list, not a ranked best-of.

Looking beyond

Microsoft 365 Copilot logo

Microsoft 365 Copilot

8.2/10

Workspace LLM assistant add-on — Copilot Business from $21/user/mo annual; Enterprise add-on $30/user/mo annual on a qualifying Microsoft 365 base licence.

Read our full Microsoft 365 Copilot review →

Best overall alternative

ChatGPT logo

ChatGPT

8.7/10

ChatGPT is a catalogue substitute when Teams and individuals wanting a mainstream general-purpose LLM assistant. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

Best Microsoft 365 Copilot alternatives

  • 1
    ChatGPT logo

    ChatGPT

    Best overall

    ChatGPT is a catalogue substitute when Teams and individuals wanting a mainstream general-purpose LLM assistant. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Teams and individuals wanting a mainstream general-purpose LLM assistant
    Starting price
    See pricing
  • 2
    Claude logo

    Claude

    Claude is a catalogue substitute when Writers and analysts who prioritize long-document and reasoning quality. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Writers and analysts who prioritize long-document and reasoning quality
    Starting price
    See pricing
  • 3
    Gemini logo

    Gemini

    Gemini is a catalogue substitute when Google Workspace-centric teams wanting an integrated LLM assistant. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Google Workspace-centric teams wanting an integrated LLM assistant
    Starting price
    See pricing
  • 4
    Perplexity logo

    Perplexity

    Perplexity is a catalogue substitute when Analysts and operators who need cited answers and Deep Research. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Analysts and operators who need cited answers and Deep Research
    Starting price
    See pricing

Compare alternatives side by side

Some links may be affiliate links — we may earn a commission at no extra cost to you. Rankings and scores are never based on commission. Affiliate disclosure

Alternative details

ChatGPT

ChatGPT is a catalogue substitute when Teams and individuals wanting a mainstream general-purpose LLM assistant. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Teams and individuals wanting a mainstream general-purpose LLM assistant
  • Buyers who need custom GPT projects and broad model access on Plus/Pro

Worse when

  • Buyers whose primary job is paraphrasing/grammar only (QuillBot)
  • Voice/TTS production teams (ElevenLabs)

Key tradeoff: ChatGPT fits Teams and individuals wanting a mainstream general-purpose LLM assistant; Microsoft 365 Copilot fits Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams.

Claude

Claude is a catalogue substitute when Writers and analysts who prioritize long-document and reasoning quality. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Writers and analysts who prioritize long-document and reasoning quality
  • Teams wanting a ChatGPT alternative with Projects and team workspaces

Worse when

  • Orgs needing the broadest third-party connector catalog (ChatGPT leads)
  • Google Workspace-native buyers who want Gemini integration depth

Key tradeoff: Claude fits Writers and analysts who prioritize long-document and reasoning quality; Microsoft 365 Copilot fits Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams.

Gemini

Gemini is a catalogue substitute when Google Workspace-centric teams wanting an integrated LLM assistant. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Google Workspace-centric teams wanting an integrated LLM assistant
  • Buyers who value Gemini inside Docs, Gmail, and Drive workflows

Worse when

  • Microsoft- or Slack-first stacks without Google Workspace
  • Buyers needing the deepest custom GPT / agent-builder workflows

Key tradeoff: Gemini fits Google Workspace-centric teams wanting an integrated LLM assistant; Microsoft 365 Copilot fits Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams.

Perplexity

Perplexity is a catalogue substitute when Analysts and operators who need cited answers and Deep Research. Stay with Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Analysts and operators who need cited answers and Deep Research
  • Teams replacing ‘Google then paste into ChatGPT’ with one research surface

Worse when

  • Buyers who need Custom GPTs and a general work OS (ChatGPT)
  • Microsoft 365-native drafting (Copilot)

Key tradeoff: Perplexity fits Analysts and operators who need cited answers and Deep Research; Microsoft 365 Copilot fits Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams.

Editorial note

Stay on Microsoft 365 Copilot when Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams. Move to ChatGPT when Teams and individuals wanting a mainstream general-purpose LLM assistant. Move to Claude when Writers and analysts who prioritize long-document and reasoning quality. Move to Gemini when Google Workspace-centric teams wanting an integrated LLM assistant. Move to Perplexity when Analysts and operators who need cited answers and Deep Research. Not a ranked best-of list — affiliate relationships never set the order.

How to choose a Microsoft 365 Copilot alternative

  • Define your priorities

    List must-have workflows, team size, and budget before you fall for a feature checklist.

  • Compare your options

    Use the same criteria across products — and ignore affiliate status when you weigh fit.

  • Test before you decide

    Trial the shortlist with a real workflow. We only claim hands-on testing when it happened.

Affiliate disclosure: some links may be affiliate links. We may earn a commission at no extra cost to you. Rankings and scores are never based on commission. Full disclosure

Methodology disclosure: scores and recommendations follow SoftwareGlimpse evaluation criteria (version 1.0.0). Affiliate relationships do not determine rankings.

How we recommend: product claims are tied to recorded research where available.

AI-assisted disclosure: drafts may be AI-assisted from approved facts and assessments. Humans approve publishable editorial judgments. AI does not invent live prices or claim hands-on testing.

Editorial methodology · Affiliate disclosure

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