ChatGPT vs DeepSeek

ChatGPT is an AI assistant available on the web, Android, iOS, macOS, and Windows. It supports text conversations, web search, file uploads, image generation, and real-time voice interactions for activities such as learning, brainstorming, practice, or hands-free use. ChatGPT Work can create and edit documents, presentations, spreadsheets, charts, PDFs, and images, and connect to work files and apps such as Gmail and Slack. Codex supports work across code understanding, planning, writing, testing, reviewing, and shipping. The Free plan includes unlimited text chats subject to abuse guardrails, but limits uploads, image generation, voice, deep research, memory, Codex, and Work. Shared projects are available on Free, Go, Plus, and Pro; Go, Plus, and Pro users can create and share GPTs. Users can control privacy choices, and an opt-out is available for model training. The listed Free plan is free; Go is billed ₹399 / month and Plus ₹1,999 / month.

DeepSeek is an AI assistant for chatting with AI models, available on the web and through official iOS and Android apps. The free plan is listed at free and includes the assistant and official mobile apps. DeepSeek also offers an API, with deepseek-flash identified as the model name to use; legacy deepseek-v4-flash names route to V4.1-Flash. The API follows a format compatible with OpenAI and Anthropic APIs, and their SDKs can be used by changing configuration. It supports external tool calls, with a strict mode that checks tool schemas against supported JSON Schema specifications. DeepSeek says V4.1-Flash is live on the API with native multimodal support. Its desktop Harness can work in the background, edit local files, and handle long, complex tasks; downloads are listed for macOS (Apple silicon, macOS 13 or later) and Windows. DeepSeek is headquartered in Hangzhou, China. Its privacy policy says personal data is processed and stored in China, and advises users not to submit sensitive personal data.