Definely vs Westlaw
Which brand does AI recommend more? Head-to-head comparison across all engines.
Wondering whether to choose Definely or Westlaw? We compared how ChatGPT, Gemini, Claude, and DeepSeek mention each brand. Westlaw leads with an AI score of 76 vs 54 for Definely. See the full breakdown below.
54
Definely
definely.com
vs
76
Westlaw
westlaw.com
| Engine | Definely | Westlaw | Winner |
|---|---|---|---|
| ChatGPT | 0% | 0% | Tie |
| Claude | 100% | 100% | Tie |
| DeepSeek | 0% | 100% | Westlaw |
| Gemini | 100% | 0% | Definely |
| Mistral | 100% | 0% | Definely |
Definely
✅ Reliable performance · Decent support · Active development
⚠️ Could improve documentation · Limited free tier
Westlaw
✅ Most comprehensive legal database with KeyCite citation system · AI-powered CoCounsel research assistant · Trusted by 90%+ of top law firms
⚠️ Extremely expensive licensing · Interface feels dated compared to newer competitors · Steep learning curve for new attorneys