
Stronger multimodal voice capabilities and reasoning models, but less refined inline artifact generation and agentic coding.
#1API2D records 214 monthly visits with -91.3% month-over-month growth and Paid pricing. Claude records 1,253,439,413 monthly visits with +23.8% growth and Freemium pricing.

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| +240.78M (+23.8%) |
| Primary Market & Share | 🇹🇼 Taiwan (100%) | 🇺🇸 United States (24.5%) |
|---|
| Direct Visits / mo | 86 | 903.03M |
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| User Rating | 3.8 | 4.8 |
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| Supported Platforms | Website | Website |
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Use top AI models like electricity — register, top up, paste your key
One base URL and key work with virtually any app, SDK or self-hosted chat client that supports a custom API address.
Route requests to OpenAI models, Claude, Stability diffusion, Azure TTS and vector database services from a single account.
Consumption is metered in points with a published multiplier, so you pay for what you use rather than a flat subscription.
Identical request bodies return cached answers for free for 24 hours, and a header can disable caching when freshness matters.
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.

Stronger multimodal voice capabilities and reasoning models, but less refined inline artifact generation and agentic coding.
#1
Massive context window and deep Google Workspace integration, but less nuanced creative writing and coding control.
#2Free / 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.

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.

SpecialistDedicated AI-first code editor built for multi-file software engineering, but lacks general-purpose writing and analytical projects.
Free / Open-sourceOne API key for hundreds of AI models from every major provider

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.
Free / Open-sourceOne OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control

Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models
Stronger multimodal voice capabilities and reasoning models, but less refined inline artifact generation and agentic coding.
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.
Real-time access to live social media data and rapid image generation, but less reliable for technical coding tasks.
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.
Free / Open-sourceOne API key for hundreds of AI models from every major provider
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.
Free / Open-sourceOne OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
Free / Open-sourceOne OpenAI-compatible API key for 500+ AI models