DeepSeek is an AI company that ships a consumer chat app and a developer API. As of the 17 September 2026 pricing page, consumer chat is free with no paid chat tier; the API is billed per token. Current API names in this brief are deepseek-flash (V4.1 Flash) and deepseek-v4-pro—not DeepSeek R1 as the flagship. Always recheck platform.deepseek.com before you budget.
Chat product versus API product
DeepSeek’s consumer chat and its API are easy to mix up. Chat is what you open in a browser or app when you want answers without wiring keys. The API is what you call from Python, PHP, or a backend when you need tokens, logging, and rate limits. As of the 17 September 2026 pricing page, reporting of DeepSeek’s own pricing page says consumer chat is free and there is no paid chat tier. The API is pay-per-token. That split matters for teams: a free chat window does not mean free production traffic. Recheck platform.deepseek.com before you plan spend.
Current API models in this brief
For API work, this brief uses two names: deepseek-flash (V4.1 Flash) and deepseek-v4-pro. Flash is the cheaper, vision-capable option with higher concurrency. Pro costs more, skips vision, and cites lower concurrency. Both list 1M context and 384K max output on the 17 September 2026 pricing page. DeepSeek R1 was an earlier reasoning model—do not treat it as the current flagship. Product pages change; confirm model cards and prices on platform.deepseek.com before you ship. Treat every rate and limit as a dated snapshot from DeepSeek or the other vendor docs linked in sources, not as a permanent contract price.
Where DeepSeek fits next to other tools
DeepSeek is one model provider. Cursor is an editor with its own model pools and billing. Claude Code is Anthropic’s terminal/IDE coding agent. GitHub Copilot lives inside GitHub’s IDEs. ChatGPT sits on OpenAI’s stack. You can use DeepSeek via API while coding in Cursor or VS Code with Copilot—those are layered choices, not rivals that cancel each other. For Cursor Start India and Pro pooling details, see Cursor’s models and pricing docs. For scores on Grok 4.7, use the BDeb Tech launch note instead of inventing benchmarks.
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Frequently asked questions
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Is DeepSeek free?
As of the 17 September 2026 pricing page, consumer chat is free with no paid chat tier. The API is pay-per-token. Free chat does not mean free API traffic. Always recheck platform.deepseek.com because pricing can change. Confirm live details on the vendor docs linked in this brief before you quote a client or ship production traffic. Attribute DeepSeek Flash and Pro figures to the 17 September 2026 pricing
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What are DeepSeek’s current API models?
In this brief: deepseek-flash (V4.1 Flash) and deepseek-v4-pro. R1 was earlier reasoning gear, not the current flagship label here. Confirm live model names and rates on platform.deepseek.com before you integrate. Confirm live details on the vendor docs linked in this brief before you quote a client or ship production traffic. Attribute DeepSeek Flash and Pro figures to the 17 September 2026 pricing page when you reuse them, then recheck platform.deepseek.com.
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Does DeepSeek replace Cursor or Copilot?
No. DeepSeek is a model/API provider. Cursor and GitHub Copilot are coding environments with their own billing. You can call DeepSeek from an app while using another editor assistant. Compare product shape, not a single winner. Confirm live details on the vendor docs linked in this brief before you quote a client or ship production traffic. Attribute DeepSeek Flash and Pro figures to the 17 September 2026 pricing
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Where should I verify prices?
Use platform.deepseek.com. Numbers in our posts are attributed to the 17 September 2026 pricing page and are not eternal truth. Peak windows and cached rates can moveu2014confirm before you quote a client. Confirm live details on the vendor docs linked in this brief before you quote a client or ship production traffic. Attribute DeepSeek Flash and Pro figures to the 17 September 2026 pricing page when you reuse
Sources
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