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DeepSeek R1

by DeepSeek (China)

Surprised the entire AI industry with its reasoning ability, though it routes through Chinese infrastructure, which is worth weighing.

FreeOpen SourceChatbot

The details

Context Window
64,000 tokens — substantial, though smaller than the frontier leaders
Cost
Free.
Open Source?
Yes — ⚠️ built and operated in China. Use caution with sensitive personal information.
Input / Output
Text

Best for

  • Coding & mathematics
  • Detailed step-by-step reasoning
  • Free frontier-quality responses

Kevin’s take

Made a big splash by being excellent and free. Worth knowing about. I'd be cautious about putting anything truly private into it given it's operated in China.

— Kevin, formerly of IT Support

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