Microsoft 365 Copilot vs Synthesia
Compare Microsoft 365 Copilot and Synthesia 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
- ✓ Voice / TTS depth
- ✓ Agent / builder depth
- ✓ Governance & privacy
- ✓ Integrations
Synthesia is better for
- ✓ Free plan
- ✓ Usage / credits model
Tie
- • LLM assistant depth
- • Writing assistance
Choose Microsoft 365 Copilot if: Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams
Choose Synthesia if: L&D and enablement teams producing talking-head explainers

Synthesia
AI avatar video studio — Basic free (watermark, no MP4); Starter $18/mo annual ($29 monthly); Creator $64/mo annual ($89 monthly); Enterprise quote.
Best for
- • L&D and enablement teams producing talking-head explainers
- • Internal comms that need on-brand avatars without a film crew
- • Creator/Enterprise buyers who need API, SSO, or SCORM
Starting from $18.00/user/mo
Free plan available
Pros & cons
A balanced look at where each product shines — and where it falls short.
Microsoft 365 Copilot
Strengths in greenPros
- Stronger on voice / tts depth
- Stronger on agent / builder depth
- Stronger on governance & privacy
- Stronger on integrations
Cons
- Trails on free plan
- Trails on usage / credits model
Best for
Microsoft 365 shops that want AI inside Word, Excel, Outlook, and Teams
Synthesia
Trade-offs in redPros
- Stronger on free plan
- Stronger on usage / credits model
Cons
- Trails on voice / tts depth
- Trails on agent / builder depth
- Trails on governance & privacy
Best for
L&D and enablement teams producing talking-head explainers
Choose if…
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 Synthesia if
- L&D and enablement teams producing talking-head explainers
- Internal comms that need on-brand avatars without a film crew
- Creator/Enterprise buyers who need API, SSO, or SCORM
Still unsure which fits?
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