DeepSeek's flagship conversational model — open-weights quality that rivals frontier models at a fraction of the cost.
DeepSeek Chat is the conversational face of DeepSeek, the Chinese AI lab that shocked the industry in 2025 with open-weight models matching GPT-4-class quality. The chat product gives you long context, strong reasoning, and coding help for free in the browser, while the API is among the cheapest frontier-grade options available. For developers who want to self-host or avoid US-provider lock-in, DeepSeek is the default alternative.
Who it's for: Cost-conscious developers, researchers who want open weights, and teams building outside the US cloud ecosystem.
Full reasoning and coding help at no cost in the browser.
Models you can download and run privately on your own hardware.
Frontier-class tokens starting around $0.07 per million — a fraction of Big Tech pricing.
DeepSeek-R1 style chain-of-thought on math, code, and logic.
If you want GPT-4-class quality without the bill, DeepSeek Chat is the obvious first stop. Self-hosters and budget dev teams should standardize on it.