Perplexity vs DeepSeek
Side-by-side comparison of Perplexity and DeepSeek.
AI search assistant that cites its sources
Open-source AI chatbot that rivals closed models free
What they are
Perplexity
Perplexity is a research-focused AI assistant that combines a language model with real-time web retrieval, citing sources in its answers. The Pro plan routes queries across multiple frontier models rather than one provider. It is built for fact-checking and research, though it is weaker at coding and creative generation than general assistants.
DeepSeek
DeepSeek is a large language model chatbot developed by a Chinese AI lab, available free via web, app, and API. Creators, developers, and researchers use it for writing, coding, summarization, and reasoning tasks. Its R1 reasoning model performs competitively with much more expensive alternatives, making it a credible option for budget-conscious creators. Data is processed on servers based in China, which is a real consideration for sensitive content.
if you need llm chatbots. Starts at 20/mo.
if you need ai writing and llm chatbots. It has a usable free tier to start with.
- +Free web and app access with no usage caps disclosed
- +R1 reasoning model handles complex, multi-step tasks well
- +API pricing is significantly cheaper than OpenAI equivalents
Which to choose
Perplexity and DeepSeek both cover llm chatbots, so this is a real either-or for some teams. The right pick depends on which one's wider feature set and pricing fit how you work.
Read the full reviews for Perplexity and DeepSeek.
Pricing checked 5 Jun 2026.