DeepSeek vs ChatGPT
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose DeepSeek if you want open-weight llms plus a free chat assistant and a low-cost openai-compatible api (Assistant, freemium); choose ChatGPT if you want openai's ai assistant: chat, voice, image, search, deep research, and agent mode (Assistant, freemium).
| DeepSeek | ChatGPT | |
|---|---|---|
| What it is | Open-weight LLMs plus a free chat assistant and a low-cost OpenAI-compatible API | OpenAI's AI assistant: chat, voice, image, search, deep research, and agent mode |
| Type | agent | product-with-agents |
| Autonomy | Assistant | Assistant |
| Pricing | freemium · Free chat; API from $0.14 per 1M input tokens (V4-Flash cache miss) | freemium · Free; Plus reported at $20/mo |
| Best for | consumers, developers, smb | consumers, smb, enterprise, developers |
| Deployment | saas, api, self-hosted | saas, api |
| Modalities | text, code, api | text, voice, image, code, browser, api |
| Models | proprietary, open-source | gpt, proprietary |
| Protocols | function-calling, rest-api | mcp, function-calling, rest-api |
| Integrations | OpenAI SDK, Anthropic SDK, Claude Code, GitHub Copilot | Google Drive, GitHub, Gmail, Microsoft 365, Slack, MCP connectors |
| Capabilities | 5 documented | 6 documented |
DeepSeek
- +Free consumer chat assistant and a notably low-cost API versus US frontier providers
- +Open-weight models under the MIT license, so they can be self-hosted, fine-tuned, and run by third parties
- +OpenAI- and Anthropic-compatible API makes it a near drop-in for existing apps and coding tools
- -It is an assistant, not an autonomous agent: it responds when asked and does not act end-to-end
- -China-hosted service raises data-residency and privacy concerns, and the app has faced government bans and scrutiny in several countries
ChatGPT
- +Broadest, most capable consumer AI assistant: chat, voice, image, search, files, and code in one place
- +Generous free tier plus a clear ladder of paid plans (Go, Plus, Pro, Business, Enterprise)
- +Agentic surfaces (deep research, agent mode) layered on top for users who need multi-step work
- -Mostly an assistant: the base product responds when asked rather than acting autonomously
- -Best agentic and reasoning features are gated to higher-priced paid tiers
Which should you choose?
DeepSeek is open-weight llms plus a free chat assistant and a low-cost openai-compatible api, best for consumers, developers, smb. ChatGPT is openai's ai assistant: chat, voice, image, search, deep research, and agent mode, best for consumers, smb, enterprise, developers. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.
This comparison is generated from the sourced DeepSeek and ChatGPT profiles. Open either profile to review its evidence and last-reviewed date.