If you're a general user who appreciates a robust feature set with chat, voice, and file analysis capabilities, go for ChatGPT. Its extensive integration options and polished consumer interface make it ideal for both individual users and developers. However, if your priority is cost and you need open-weight models, DeepSeek is the better choice. It offers excellent value for money with strong coding performance, making it well-suited for cost-sensitive API builders and self-hosting teams.
On the other hand, if you have stringent data residency requirements or prefer a more polished product with broader features, avoid DeepSeek. Likewise, if you demand the lowest possible API costs without the need for open weights, you should stick to ChatGPT’s cheaper options despite their tier complexities.