Which AI should I use?
Pick the job. You get an honest short-list, and your portable profile works on all of them, so the answer is allowed to change next month.
Research with sources
Writing and editing
Coding
Data analysis
Long documents
Investment research
Legal research framing
Images
Video
Voice
Presentations and Office work
Everyday assistant
Run it on my own computer
Investment research
Research framing only, no AI output is investment advice; verify every figure.
1
Perplexity
Cited, source-first research answers; your profile shapes how findings are presented.
2 ChatGPTAll-round assistant with strong persistent personalization (Custom Instructions + Memory + Projects).
3 GrokReal-time X (Twitter) context and a direct, less filtered conversational register.
Ordered by practical fit for this job; all are capable. Verify current features on the official sites.