ChatGPT vs Claude vs Grok
Three general AI assistants we review for market research. Each has a free plan; always check the numbers they give you against the source.
Updated Oct 23, 2026. From our reviews and each company's public pricing. Software reviews only, not investment advice.
At a glance
| ChatGPT | Claude | Grok | |
|---|---|---|---|
| What it does | General AI assistant with web search, file analysis and data tools. | General AI assistant strong at long documents and analysis. | AI assistant with real-time access to posts on X. |
| Pricing | Free planFree plan, paid upgrades | Free planFree plan, paid upgrades | Free planFree plan, paid upgrades |
| Category | AI chat for markets | AI chat for markets | AI chat for markets |
| Our rankings | |||
| Website | chatgpt.com | claude.ai | grok.com |
| Visit ChatGPT | Visit Claude | Visit Grok |
ChatGPT
- What it does
- General AI assistant with web search, file analysis and data tools.
- Pricing
- Free planFree plan, paid upgrades
- Category
- AI chat for markets
- Our rankings
- Website
- chatgpt.com
Claude
- What it does
- General AI assistant strong at long documents and analysis.
- Pricing
- Free planFree plan, paid upgrades
- Category
- AI chat for markets
- Our rankings
- Website
- claude.ai
Grok
- What it does
- AI assistant with real-time access to posts on X.
- Pricing
- Free planFree plan, paid upgrades
- Category
- AI chat for markets
- Our rankings
- Website
- grok.com
Which one to pick
Our verdict on each, from its review.
ChatGPT
Best general assistant for summarizing reports and building spreadsheets. Verify numbers.
Claude
Best for reading long filings or a full annual report in one go.
Grok
Best for gauging real-time chatter about a ticker on X.
Where they rank
Rankings that include more than one of these tools. Position is in the full ranking.
- Best AI chat assistants for stocksNo. 3 Claude · No. 4 ChatGPT · No. 5 Grok