DeepSeek
The open-source Chinese AI that rivals the best, entirely free
Overview
DeepSeek is a model developed by a Chinese team that made waves in early 2025 by achieving performance comparable to GPT-4 at a fraction of the cost. The chat.deepseek.com web interface is completely free with no time or message limits, making it the most accessible option on the market for tight budgets. Its 'deep thinking' mode (DeepThink) excels at complex reasoning.
For an SMB, DeepSeek is ideal for analyzing data, writing reports, or automating tasks via its ultra-competitive API. Be aware: data is processed on servers in China, which may raise GDPR compliance questions for regulated industries (healthcare, legal, finance). Use with caution on sensitive data.
Our verdict
Excellent choice for SMBs with small budgets who want powerful AI without paying. Ideal for writing, analysis, and code. Avoid DeepSeek for sensitive customer data or industries subject to data localization constraints. In those cases, prefer Claude or ChatGPT with GDPR guarantees.