Claude
S tierAnthropic's flagship — best reasoning + longest useful context.
Kai's verdict
S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work.
Strengths
- Best-in-class writing + nuanced reasoning
- 1M context on Opus
- Artifacts for code/docs
- Lowest hallucination rate in my testing
Weaknesses
- Image generation is weak
- No native web search on all tiers
Best for
Long writing, code, careful thinking, documents over 50 pages.
Pricing
Free + $20/mo Pro + team/enterprise
Free tier is solid. Pro gets you Opus + longer context + Projects.