Free / Open-sourceDelivers exceptional open-weight reasoning performance at very low cost, but lacks BigModel's broad enterprise multi-modal agent building suite.

BigModel records 5,700,686 monthly visits with -17% month-over-month growth and Freemium pricing. Notion records 173,441,670 monthly visits with +0.1% growth and Freemium pricing.

Zhipu AI's open platform for GLM large models, multimodal APIs, and agent building
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | bigmodel.cn | notion.com |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 5.7M (5,700,686) | 173.44M (173,441,670) |
| MoM Traffic Delta |
| -1.17M (-17%) |
| +201.2K (+0.1%) |
| Primary Market & Share | 🇨🇳 China (85.8%) | 🇺🇸 United States (18.4%) |
|---|
| Direct Visits / mo | 4.23M | 135.18M |
|---|
| User Rating | 4.6 | 4.8 |
|---|
| Supported Platforms | Website | Website |
|---|

Zhipu AI's open platform for GLM large models, multimodal APIs, and agent building
Unified access to GLM large language models plus vision, OCR, speech, image, and video endpoints through one account.
Build tool-using agents and expose or consume MCP services to connect models to external systems.
Create managed knowledge bases and retrieval pipelines so models can answer with your own documents.
Tune models on your data and prototype prompts interactively in the browser before shipping.

The AI workspace where teams and agents get work done together
Combine docs, wikis, projects, and databases into one structured system of record that stays linked as your content grows.
Draft, summarize, translate, and answer questions inline, or build custom agents that automate recurring workflows around the clock.
Find answers instantly across Notion and connected apps, with citations so you can verify where each answer came from.
Use relations, rollups, views, and a large template gallery to model anything from a CRM to a content calendar.
Free / Open-sourceDelivers exceptional open-weight reasoning performance at very low cost, but lacks BigModel's broad enterprise multi-modal agent building suite.


Provides industry-leading frontier intelligence and developer ecosystems, but lacks BigModel's specialized GLM architecture and native Chinese language optimizations.

Offers massive context windows and robust multimodal Gemini APIs, but differs in model architecture and regional enterprise tooling.
#3SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistAggregates hundreds of global models under one API endpoint, whereas BigModel provides direct native infrastructure for Zhipu's GLM models.

SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.

SpecialistOne API for 1,500+ production-ready generative media models

Free / Open-sourceSpecializes in serverless open-source model hosting and dedicated GPU clusters, but provides less native proprietary GLM model integration.

Run, fine-tune, and deploy machine learning models with one line of code
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
Delivers ultra-fast inference speeds for open-weight models, but focuses less on proprietary enterprise agent building toolkits than BigModel.

SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.
Free / Open-sourceDelivers exceptional open-weight reasoning performance at very low cost, but lacks BigModel's broad enterprise multi-modal agent building suite.
Provides industry-leading frontier intelligence and developer ecosystems, but lacks BigModel's specialized GLM architecture and native Chinese language optimizations.
Offers massive context windows and robust multimodal Gemini APIs, but differs in model architecture and regional enterprise tooling.
SpecialistInfinite visual canvas for brainstorming and diagramming, but less structured for text documents and wikis.
SpecialistAggregates hundreds of global models under one API endpoint, whereas BigModel provides direct native infrastructure for Zhipu's GLM models.
SpecialistPowerful enterprise-wide search and knowledge discovery across apps, but lacks Notion's flexible doc creation.
Free / Open-sourceSpecializes in serverless open-source model hosting and dedicated GPU clusters, but provides less native proprietary GLM model integration.
Run, fine-tune, and deploy machine learning models with one line of code
Superior block-based typography and mobile note-taking experience, but fewer robust database and automation features.
SpecialistExcellent developer-focused documentation and Git synchronization, but lacks general database and task management.