Best Python libraries for PowerPoint files

Requested by a visitor · October 25, 2026

We asked 10 models: The best Python libraries for creating and editing PowerPoint files. Each named its own top 10.

Asked 4 ways: List request · Buyer asking for advice · Search query · Worth paying for?. Share of voice pools every wording.

Agreement between models: 63%
Same model, run twice: 71%
Different picks: 58

When agreement between models is well below a model's agreement with itself, the split reflects real differences in taste rather than randomness.

The consensus

Each cell is the position that model gave the pick; blank means it left the pick off. Click a row for each model's reasoning.

#	Pick	Listed by	Claude Haiku 5.5	GPT-6 Luna	Gemini 4 Argon	Qwen 3.8 Flash	DeepSeek V4 Pro	GLM-5.3	Kimi K3	MiniMax M3	Mistral Large 4	Nemotron 3 Ultra
1	python-pptx	10/10	1	1	1	1	1	1	1	1	1	1
Claude Haiku 5.5 (#1) The standard library for creating and editing .pptx files; mature and widely used. GPT-6 Luna (#1) The standard choice for creating and editing .pptx files, with a clear, accessible Python API. Gemini 4 Argon (#1) The undisputed open-source standard for creating and modifying PowerPoint files without needing Microsoft Office. Qwen 3.8 Flash (#1) De facto standard for creating and editing PowerPoint files. DeepSeek V4 Pro (#1) The undisputed standard library for creating and editing .pptx files from scratch. GLM-5.3 (#1) Most complete, well-documented pure-Python library for creating and editing PowerPoint files. Kimi K3 (#1) The definitive open-source library for native PowerPoint generation and manipulation. MiniMax M3 (#1) Most popular and well-maintained library for PowerPoint creation. Mistral Large 4 (#1) The definitive open-source library; Microsoft-endorsed wrapper for OOXML. Nemotron 3 Ultra (#1) Most mature, feature-complete library for PowerPoint manipulation
2	Aspose.Slides	10/10	2	2	2	2	2	4	2	2	2	2
Claude Haiku 5.5 (#2) Commercial library with broad format support and rendering, strong for complex decks. GPT-6 Luna (#2) A powerful commercial option with broad editing, rendering, conversion, and format support. Gemini 4 Argon (#2) Commercial enterprise library offering the most comprehensive feature set, rendering, and format conversion capabilities. Qwen 3.8 Flash (#2) Powerful conversion, rendering, and full deck manipulation. DeepSeek V4 Pro (#2) Enterprise-grade powerhouse with extensive format support, no Office dependency. Kimi K3 (#2) Most comprehensive commercial API with high-fidelity rendering and conversion. MiniMax M3 (#2) Commercial library supporting advanced PPTX features and conversion. Mistral Large 4 (#2) Enterprise-grade with unmatched rendering fidelity and export options. Nemotron 3 Ultra (#2) Commercial powerhouse with unmatched fidelity and format support
3	Spire.Presentation	9/10	3	3	3	3	3	6	3	3		4
Claude Haiku 5.5 (#3) Commercial Python API for creating, editing, and converting PowerPoint files. GPT-6 Luna (#3) Commercial library offering extensive PowerPoint creation, editing, and conversion capabilities. Gemini 4 Argon (#3) Feature-rich commercial library that handles complex formatting, animations, and slide conversions independently of Office. Qwen 3.8 Flash (#3) Commercial-grade rich editing beyond python-pptx capabilities. DeepSeek V4 Pro (#3) Strong free tier, handles charts/images well, and supports PDF conversion. Kimi K3 (#3) Strong feature set for generation, conversion, and formatting at reasonable cost. MiniMax M3 (#3) Commercial alternative for creating, editing, and converting files. Nemotron 3 Ultra (#4) Strong commercial alternative with good .pptx/.ppt support
4	PptxGenJS	4/10		4				9		7	3
Mistral Large 4 (#3) Though JS-native, Python bindings offer clean API for quick decks. GPT-6 Luna (#4) Despite its JavaScript core, it is often driven from Python workflows for polished slide generation. GLM-5.3 (#9) Converts HTML/templates into PPTX decks programmatically.
5	python-pptx-template	3/10	7								4	3
Nemotron 3 Ultra (#3) Excellent templating engine built on python-pptx Mistral Large 4 (#4) Extends python-pptx for template-based deck generation at scale. Claude Haiku 5.5 (#7) Helpful wrapper for templating decks, though narrower than core libraries.
6	Pillow	3/10		8			5			4
MiniMax M3 (#4) Essential for image manipulation when working with pptx files. DeepSeek V4 Pro (#5) Essential companion for preparing images before inserting them into slides.
7	pywin32	2/10			4			3
GLM-5.3 (#3) Python wrapper around PowerPoint COM automation for rich editing on Windows. Gemini 4 Argon (#4) Provides complete control over presentations by automating the native Windows PowerPoint application directly.
8	docxtpl	2/10					7	2
GLM-5.3 (#2) Fills PowerPoint templates from Python, ideal for report automation. DeepSeek V4 Pro (#7) Jinja2 templating for PowerPoint when combined with python-pptx; brilliant for reports.
9	ReportLab	2/10					8				5
Mistral Large 4 (#5) Powerful PDF/PPT generation when combined with layout precision needs.
10	Matplotlib	2/10					9			5
MiniMax M3 (#5) Easily generates charts that can be embedded in slides. DeepSeek V4 Pro (#9) Best for generating charts and graphs to embed directly into PowerPoint slides.
11	python-pptx-interface	2/10	9									5
Nemotron 3 Ultra (#5) Simplified wrapper for common python-pptx operations
12	GroupDocs.Slides for Python via .NET	1/10							4
Kimi K3 (#4) Excellent for document manipulation and conversion workflows.
13	LibreOfficeKit (via python-uno)	1/10					4
DeepSeek V4 Pro (#4) Full LibreOffice automation for pixel-perfect rendering and complex edits.
14	pptx-automizer	1/10				4
Qwen 3.8 Flash (#4) Excellent templating-based automated PowerPoint generation.
15	pptx2md	1/10	4
No reasons recorded.

43 lower-scoring picks are not shown; every ballot below lists them in full.

Most divisive

Picks most models listed, at very different positions

PptxGenJS#3 for Mistral Large 4 #9 for GLM-5.3
Spire.Presentation#3 for Claude Haiku 5.5 #6 for GLM-5.3
Aspose.Slides#2 for Claude Haiku 5.5 #4 for GLM-5.3

Hot takes

Picks that appear on only one ballot

pptx2md at #4, only Claude Haiku 5.5
pptx-automizer at #4, only Qwen 3.8 Flash
LibreOfficeKit (via python-uno) at #4, only DeepSeek V4 Pro
GroupDocs.Slides for Python via .NET at #4, only Kimi K3
pptxtopdf at #5, only Claude Haiku 5.5
Pandas at #5, only GPT-6 Luna
md2pptx at #5, only Gemini 4 Argon
OfficeParser at #5, only Qwen 3.8 Flash
python-pptx-oss at #5, only GLM-5.3
python-pptx-text-extractor at #5, only Kimi K3
Pyspree at #6, only Claude Haiku 5.5
pptx2pdf at #6, only GPT-6 Luna

Every ballot

Hover a pick to find it on the other ballots. Marked picks appear on no other ballot.

Claude Haiku 5.5

python-pptx
Aspose.Slides
Spire.Presentation
pptx2md
pptxtopdf
Pyspree
python-pptx-template
Pptx2Video
python-pptx-interface
Marp

74% with consensus · 72% self-consistent

GPT-6 Luna

python-pptx
Aspose.Slides
Spire.Presentation
PptxGenJS
Pandas
pptx2pdf
lxml
Pillow
unoconv
python-pptx-text-replacer

83% with consensus · 82% self-consistent

Gemini 4 Argon

python-pptx
Aspose.Slides
Spire.Presentation
pywin32
md2pptx
comtypes
pypptx-engine
pptx-template
GroupDocs.Merger
GroupDocs.Conversion

74% with consensus · 86% self-consistent

Qwen 3.8 Flash

python-pptx
Aspose.Slides
Spire.Presentation
pptx-automizer
OfficeParser
PPTAGen
WinPyr
IntraBuilder
unofficial_officewriter
PyGetOle

71% with consensus · 79% self-consistent

DeepSeek V4 Pro

python-pptx
Aspose.Slides
Spire.Presentation
LibreOfficeKit (via python-uno)
Pillow
python-docx
docxtpl
ReportLab
Matplotlib
PyAutoGUI

80% with consensus · 72% self-consistent

GLM-5.3

python-pptx
docxtpl
pywin32
Aspose.Slides
python-pptx-oss
Spire.Presentation
borb
LibreOffice
PptxGenJS
Marp

58% with consensus · 48% self-consistent

Kimi K3

python-pptx
Aspose.Slides
Spire.Presentation
GroupDocs.Slides for Python via .NET
python-pptx-text-extractor
GemBox.Presentation
PresentationML
Microsoft Graph API
unoserver
python-docx

71% with consensus · 71% self-consistent

MiniMax M3

python-pptx
Aspose.Slides
Spire.Presentation
Pillow
Matplotlib
python-pptx-templates
PptxGenJS
pptx-tools
python-pptx-utils
pptx-automate

80% with consensus · 53% self-consistent

Mistral Large 4

python-pptx
Aspose.Slides
PptxGenJS
python-pptx-template
ReportLab
Pyивает
Slidev
Open XML SDK
LibreOffice UNO
Pillow-Slideshow

75% with consensus · 77% self-consistent

Nemotron 3 Ultra

python-pptx
Aspose.Slides
python-pptx-template
Spire.Presentation
python-pptx-interface
OpenPyXL
pptx-template
pptx-templates
office365-rest-python-client
Open XML SDK

74% with consensus · 70% self-consistent

Who agrees with whom

Overlap between two models' lists, weighted toward the top · 100 means identical · Color runs from 47 (lightest) to 79 (darkest)

	Claude Haiku 5.5	GPT-6 Luna	Gemini 4 Argon	Qwen 3.8 Flash	DeepSeek V4 Pro	GLM-5.3	Kimi K3	MiniMax M3	Mistral Large 4	Nemotron 3 Ultra
Claude Haiku 5.5		71	71	71	71	51	71	71	60	71
GPT-6 Luna	71		71	71	73	52	71	77	67	67
Gemini 4 Argon	71	71		71	71	61	71	71	57	69
Qwen 3.8 Flash	71	71	71		71	51	71	71	57	67
DeepSeek V4 Pro	71	73	71	71		54	71	79	59	67
GLM-5.3	51	52	61	51	54		51	52	47	51
Kimi K3	71	71	71	71	71	51		71	57	67
MiniMax M3	71	77	71	71	79	52	71		60	67
Mistral Large 4	60	67	57	57	59	47	57	60		67
Nemotron 3 Ultra	71	67	69	67	67	51	67	67	67