
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Claude records 1,253,439,413 monthly visits with +23.8% month-over-month growth and Freemium pricing. CloseChat records 281 monthly visits with -86.2% growth and Free (bring your own API key) pricing.
A multi-platform AI chat client that connects to any model you choose
| Dimension / Metric | ||
|---|---|---|
| Official Domain | claude.ai | closechat.org |
| Pricing Model | Freemium | Free (bring your own API key) |
| Monthly Visits | 1.25B (1,253,439,413) | 281 (281) |
| MoM Traffic Delta | +240.78M (+23.8%) | -1.75K (-86.2%) |
| Primary Market & Share | 🇺🇸 United States (24.5%) | 🇺🇸 United States (100%) |
| Direct Visits / mo | 903.03M | 112 |
| User Rating | 4.8 | 4.2 |
| Supported Platforms | Website | Website |
Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Combines frontier Claude Opus 5.5 and high-speed Sonnet 5.5 with configurable extended thinking, up to 1M-token context windows, and 128K-token outputs.
Pro, Max, and Team Premium plans bundle Claude Code for autonomous command-line software engineering, test execution, and repository-wide refactoring.
Renders live interactive web apps, visualizations, spreadsheets, and formatted PowerPoint decks in a dedicated workspace panel alongside the chat.
Grounds conversations in shared project knowledge bases and connects directly to local filesystems, GitHub, Slack, and internal databases via MCP.
A multi-platform AI chat client that connects to any model you choose
Configure the AI providers or API keys you already use, and switch between them inside the client instead of committing to a single bundled service.
Native apps for Windows, macOS, Linux, iOS and Android keep your conversations and settings aligned across devices.
Drag in PDF, Word, Excel, PowerPoint, code and image files and let the model summarise, extract or analyse the content directly.
Edit the same image across multiple turns, automatically carrying over the previous version and merging several images while keeping subjects consistent.

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

Massive context window and deep Google Workspace integration, but less nuanced creative writing and coding control.
Massive context window and deep Google Workspace integration, but less nuanced creative writing and coding control.
Free / Open-sourceSignificantly lower API costs and powerful open-weight reasoning models, but a less polished consumer chat workspace.
Free / Open-sourceSignificantly lower API costs and powerful open-weight reasoning models, but a less polished consumer chat workspace.

Real-time access to live social media data and rapid image generation, but less reliable for technical coding tasks.
Real-time access to live social media data and rapid image generation, but less reliable for technical coding tasks.

SpecialistUnified document management and structured database workflows with built-in AI, but less powerful standalone LLM reasoning.
SpecialistSuperior real-time web search with verifiable inline citations, but less capable at complex multi-file coding and artifact creation.
SpecialistSuperior real-time web search with verifiable inline citations, but less capable at complex multi-file coding and artifact creation.

SpecialistDedicated AI-first code editor built for multi-file software engineering, but lacks general-purpose writing and analytical projects.
SpecialistDedicated AI-first code editor built for multi-file software engineering, but lacks general-purpose writing and analytical projects.

SpecialistExceptional long-context document analysis and multi-step research, but lacks Claude's polished interactive coding artifacts.
SpecialistExceptional long-context document analysis and multi-step research, but lacks Claude's polished interactive coding artifacts.
SpecialistFully autonomous agent executing complex multi-step web tasks, but less suited for conversational brainstorming and iterative writing.
SpecialistFully autonomous agent executing complex multi-step web tasks, but less suited for conversational brainstorming and iterative writing.

One app to chat with GPT, Claude, Gemini and hundreds of other AI models

All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research