Side by side
Compare two AI models
Pick two models and see what each costs, how well it works and what it's actually for. The scores are my own judgment on a 1–5 scale from using these — not vendor claims and not benchmark results. Your picks stay in the address bar, so you can send the comparison to someone else.
Choose a second model above to see them side by side.
Chat and everyday writing
Kimi
Moonshot AI
VisitFree value
Performance
Range of uses
Free and unusually good with long documents; narrower than a general assistant.
- Published benchmark scores
- Artificial Analysis Intelligence Index v4.3.244
combined score across ten reasoning and knowledge tests · tested: Kimi K3
Artificial Analysis · 28 September 2026 · independent
Figures are for Kimi K3, the current version on Artificial Analysis. No output speed was published for this model, so none is shown.
Figures copied from the sources above, checked 17 September 2026.
- Cost
- Free to use in the browser; paid plans from $19/month.
- Performance
- Handles very long documents better than most free assistants — you can paste a whole report and ask about it.
- Use it for
- Summarizing long PDFs and reports
- Comparing two long job descriptions
- Pulling the requirements out of a dense posting