Chatbot App vs PayForChat

免費 / 開源OpenAI 的旗艦多模態助理，由 GPT-6 與 GPT-5.6 驅動，勝任推理、程式開發與深度研究。

Deep integration with Google ecosystem and massive context window, but restricted solely to Google's proprietary model family.

Superior long-form writing, coding artifacts, and analytical depth, but lacks access to alternative provider models in one UI.

免費 / 開源Highly cost-effective reasoning and coding performance, but provides a narrower ecosystem compared to comprehensive multi-model platforms.

Real-time access to live social media data, but lacks multi-model aggregation and customization features found in dedicated chat aggregators.

專項更強Excels at real-time web search with verified citations, but less optimized for open-ended creative writing or multi-model comparisons.

專項更強Outstanding handling of extremely long documents and deep research, but less versatile for general multi-vendor model comparison.

免費 / 開源Use AI is a single workspace that gives you frontier models from Anthropic, OpenAI, Google, xAI, DeepSeek, Qwen, GLM and others side by side. Chat, generate images, run deep research, and create documents and slides without opening a dozen different apps.

免費 / 開源由使用者付費、沒有廣告的搜尋引擎

一個訂閱，暢用所有主流 AI 模型

免費 / 開源一個訂閱，用遍主流 AI 模型

免費 / 開源適用於本機與雲端模型的擴充開源介面，但需要自行架設維護，而非開箱即用的雲端存取。