ChatGPT
AI AssistantsPiano gratuitoThe general-purpose assistant: writing, analysis, code and image understanding.
Visit siteBest AI Assistants tools: 3 tested
3 tools listed for United Kingdom, 3 with a free tier. Conclusions come from hands-on testing plus user ratings; prices are public list prices, last checked 2026-10.
All AI Assistants tools 3
Topic
Claude
AI AssistantsPiano gratuitoLong-context assistant with strong reasoning and a careful, readable writing style.
Visit sitePerplexity
AI AssistantsPiano gratuitoAnswer engine that cites its sources, built for research rather than chat.
Visit siteHow to choose
If you only pick one, take ChatGPT (4.8/5): As the default entry point to AI, ChatGPT still has the widest coverage: writing, translat…
Need free → ChatGPT; budget-first → Perplexity; China-direct access → filter above.
Top 5 at a glance 3
| Rank | Tool | Score | Free tier | From | Best for |
|---|---|---|---|---|---|
| 1 | ChatGPT | 4.8 | Yes | Plus $20/mo | Teams that need one genera… |
| 2 | Claude | 4.8 | Yes | Pro $20/mo | Knowledge workers who hand… |
| 3 | Perplexity | 4.6 | Yes | Pro $20/mo | People who need to build i… |
FAQ
Which AI Assistants tool should I start with?
Highest rated is ChatGPT (4.8/5 across 6240 reviews). As the default entry point to AI, ChatGPT still has the widest coverag… If budget is zero, validate your flow on its free tier first.
Are there free options in this category?
3 of the 3 tools listed offer a long-term free tier; most others run a 7–14 day trial. Free tiers usually cap seats, export formats or quotas — rarely the core editing features.
Which is easier for teams in mainland China?
0 of 3 are verified reachable from mainland China. If you need local invoicing, data residency or Chinese support, pick from those 0 — lowest migration cost.
How often is pricing re-checked?
We re-check public pricing monthly; the latest update was ChatGPT in 2026-10. Always confirm on the vendor's checkout page — the "from" price shown is the annual plan divided by twelve.
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Last verified 2026-10-01. Scores weigh hands-on testing (60%), price-to-value (25%) and user ratings (15%). Vendors neither score nor buy placement.