
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
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BigModel records 5,700,686 monthly visits with -17% month-over-month growth and Freemium pricing. massCode records 5,724 monthly visits with -25.5% growth and Free pricing.

Free, open-source, local-first developer workspace for snippets, notes, APIs and diagrams
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | bigmodel.cn | masscode.io |
| Pricing Model | Freemium | Free |
| Monthly Visits | 5.7M (5,700,686) | 5.72K (5,724) |
| MoM Traffic Delta |
| -1.17M (-17%) |
| -1.96K (-25.5%) |
| Primary Market & Share | 🇨🇳 China (85.8%) | 🇺🇸 United States (65.4%) |
|---|
| Direct Visits / mo | 4.23M | 2.22K |
|---|
| User Rating | 4.6 | 4.4 |
|---|
| 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.

Free, open-source, local-first developer workspace for snippets, notes, APIs and diagrams
Organize reusable code fragments in nested folders, tag them for fast filtering, and jump to anything through a keyboard-driven command palette.
Write Markdown notes, explore connections between them in a graph view, and turn notes into tasks with status, priority, due dates and links to related snippets and requests.
Save API requests, run them in sequence, pass values between steps, and inspect responses or JSON diffs without leaving the app.
Connect OpenAI, Anthropic, Gemini, DeepSeek, Mistral, xAI or OpenRouter with your own key, or use a local Ollama/LM Studio model, to edit code, reorganize notes and test APIs. An MCP server exposes the same vault to external AI agents.

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.

Google's multimodal AI assistant powered by Gemini 4 Carbon (Gemini Carbon 4), Gemini 4 Argon, and Gemini 3.8 Flash with a 1M-token context window and Workspace integration.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.

Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.

Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.

Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.

Deploy AI agents and build apps conversationally on top of your own data

The AI coding agent for building ambitious software
One API key for hundreds of AI models from every major provider

Moonshot AI's long-context assistant for research, coding, and agentic work
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Google's multimodal AI assistant powered by Gemini 4 Carbon (Gemini Carbon 4), Gemini 4 Argon, and Gemini 3.8 Flash with a 1M-token context window and Workspace integration.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents.
Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models.
Battle-test AI coding models side by side
Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
Deploy AI agents and build apps conversationally on top of your own data

The AI coding agent for building ambitious software