DeepSeek
S tiernew this monthChinese open-weight powerhouse. Crazy cheap, genuinely smart.
Kai's verdict
S-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.
Strengths
- Open weights you can self-host
- Strong reasoning + math
- Near-free API pricing
- DeepSeek-V3 / R1 are serious models
Weaknesses
- Data goes to servers in China — privacy concerns for business use
- Chinese policy filters
- English polish trails Western models
Best for
Developers + cost-conscious builders. Anyone fine with self-hosting.
Pricing
Free web + ultra-cheap API (~$0.14/M input tokens)