Microsoft 365 Copilot vs QuillBot
Compare Microsoft 365 Copilot and QuillBot on features, pricing, and buyer fit using the same researched criteria.
Microsoft 365 Copilot
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.
Best for
- • Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams
- • IT buyers who need tenant admin and Graph grounding
- • Enterprises already paying for E3/E5 who can absorb the $30 add-on
Starting from $21.00/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Microsoft 365 Copilot is better for
- ✓ LLM assistant depth
- ✓ Writing assistance
- ✓ Voice / TTS depth
- ✓ Agent / builder depth
QuillBot is better for
- ✓ Free plan
- ✓ Usage / credits model
Choose Microsoft 365 Copilot if: Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams
Choose QuillBot if: Students and writers who primarily need paraphrasing and grammar
QuillBot
AI writing and paraphrasing assistant — Free; Premium ~$8.33/mo annual ($99.95/yr).
Best for
- • Students and writers who primarily need paraphrasing and grammar
- • Content teams wanting a lightweight writing assistant vs full LLM subscription
- • Budget-conscious buyers who do not need chat/reasoning depth
Starting from $8.33/user/mo
Free plan available
Microsoft 365 Copilot vs QuillBot at a glance
Criterion-level leaders from verified research.
Scorecard preview
Criterion leaders based on verified research — open the Scorecard tab for evidence detail.
- Starting pricingDepends
Microsoft 365 Copilot
QuillBot
- Free planQuillBot
Microsoft 365 Copilot
QuillBot
- User / licence minimumDepends
Microsoft 365 Copilot
QuillBot
- LLM assistant depthMicrosoft 365 Copilot
Microsoft 365 Copilot
QuillBot
- Writing assistanceMicrosoft 365 Copilot
Microsoft 365 Copilot
QuillBot
Which Ai is better for you?
Quick picks based on fit — not a universal ranking.
- → Microsoft 365 Copilot
Best for llm assistant depth
Microsoft 365 Copilot leads on llm chat depth (8/10 vs 6/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → Microsoft 365 Copilot
Best for writing assistance
Microsoft 365 Copilot leads on writing depth (8/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
- → Microsoft 365 Copilot
Best for voice / tts depth
Stronger voice tts availability
- → QuillBot
Best for free plan
Microsoft 365 Copilot does not research a free plan; QuillBot researches a free plan.
- → QuillBot
Best for usage / credits model
QuillBot leads on usage model (6/10 vs 9/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
The biggest differences
Where the products diverge most clearly on verified criteria.
Free plan
QuillBot winsMicrosoft 365 Copilot
Trails QuillBot on this criterion
QuillBot
Microsoft 365 Copilot does not research a free plan; QuillBot researches a free plan.
LLM assistant depth
Microsoft 365 Copilot winsMicrosoft 365 Copilot
Microsoft 365 Copilot leads on llm chat depth (8/10 vs 6/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
QuillBot
Trails Microsoft 365 Copilot on this criterion
Writing assistance
Microsoft 365 Copilot winsMicrosoft 365 Copilot
Microsoft 365 Copilot leads on writing depth (8/10 vs 7/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
QuillBot
Trails Microsoft 365 Copilot on this criterion
Voice / TTS depth
Microsoft 365 Copilot winsMicrosoft 365 Copilot
Stronger voice tts availability
QuillBot
Trails Microsoft 365 Copilot on this criterion
Agent / builder depth
Microsoft 365 Copilot winsMicrosoft 365 Copilot
Stronger agent builder availability
QuillBot
Trails Microsoft 365 Copilot on this criterion
Governance & privacy
Microsoft 365 Copilot winsMicrosoft 365 Copilot
Microsoft 365 Copilot leads on governance (9/10 vs 6/10) from approved SoftwareGlimpse editorial assessments — not hands-on lab testing.
QuillBot
Trails Microsoft 365 Copilot on this criterion
Which should you choose?
Choose Microsoft 365 Copilot if
- Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams
- IT buyers who need tenant admin and Graph grounding
- Enterprises already paying for E3/E5 who can absorb the $30 add-on
Choose QuillBot if
- Students and writers who primarily need paraphrasing and grammar
- Content teams wanting a lightweight writing assistant vs full LLM subscription
- Budget-conscious buyers who do not need chat/reasoning depth
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Alternatives to consider
ChatGPT
General-purpose LLM assistant — Free; Plus $20/mo; Business from $20/seat annual ($25 monthly, 2-seat min); Pro from $100; Enterprise contact.
Claude
LLM assistant with strong writing and reasoning — Free; Pro $20/mo ($17 annual); Max from $100; Team Standard $20/seat annual ($25 monthly, 2-seat min).
Gemini
Google LLM assistant — Free; Google AI Pro $19.99/mo; Ultra from $99.99/mo for highest model access.
Perplexity
Cited-search LLM assistant — Free; Pro $20/mo (~$17 annual); Max $200/mo; Enterprise Pro $40/seat.
How we compare
A short look at the comparison process. Full methodology
1
Collect
Collect official product information, pricing, and product evidence.
2
Normalize
Map evidence to the same category evaluation criteria for both products.
3
Compare
Evaluate both products against identical criteria — ties and depends are allowed.
4
Explain
Show why each product wins, loses, or ties, with evidence behind the outcome.
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