Gamma vs Microsoft Copilot for PowerPoint

as AI assistants see them, week of 2026-09-21

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Gamma clearly leads AI assistants' recommendations for slide decks, scoring 79 overall versus 36 for Microsoft Copilot for PowerPoint, with ChatGPT rating it highest at 91. Gamma gets named in 56 of 60 answers, including a clean sweep for "best AI slide deck generator," team/agency use, non-English decks, PowerPoint alternatives, and on-brand design. Copilot trails at 31 of 60 mentions, though it holds its own for student decks and sales presentations, and ties Gamma on PowerPoint-export questions. Head to head, Gamma comes out ahead in 14 of 20 shared questions, with the rest tied — Copilot never wins outright. Neither tool gets named for deck-tracking questions.

Head to head

metric	Gamma	Microsoft Copilot for PowerPoint
score	79	36
questions won	19	16

By assistant

Gamma

assistant	score	named in, this week	usual spot, this week
ChatGPT	91	95% of answers	#1.3
Claude	78	95% of answers	#2.4
Gemini	not sampled this week
Perplexity	71	90% of answers	#2.8

Microsoft Copilot for PowerPoint

assistant	score	named in, this week	usual spot, this week
ChatGPT	32	50% of answers	#4.7
Claude	53	70% of answers	#3.1
Gemini	not sampled this week
Perplexity	24	35% of answers	#4.1

Where they differ

Only Gamma gets named for

What are the best free AI presentation tools?
What's the best AI presentation tool for a startup pitch deck?
What's the best tool to make an interactive or web-based presentation?

Only Microsoft Copilot for PowerPoint gets named for

nothing exclusive

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI presentation makers leaderboard