Head to head · Chat & research · updated Oct 15, 2026
ChatGPT vs Gemini
ChatGPT scores 83 to Gemini's 77 on public evidence for general chat assistant, and they rank #2 and #3 there. Both are free to start. Numbers below are the same public signals the ranking uses, recomputed nightly — nothing here is sponsored.
ChatGPT
OpenAI's general-purpose chat assistant with web browsing, file analysis, image generation and voice.
+ The broadest feature set in one place: Deep Research, code-executing data analysis on uploaded spreadsheets, voice mode and a huge library of custom GPTs.
− Free and Plus tiers hit message caps on the best models at busy times, and answers can be confidently wrong without citations unless you ask it to search.
Gemini
Google's assistant with Deep Research reports, Gmail/Docs/Drive integration and YouTube video understanding.
+ Deep Research produces long cited reports from dozens of sources, and it reads your Gmail, Drive and Calendar directly when you allow it.
− Quality swings between Flash and Pro models, and it refuses or hedges on some topics more than competitors.
Side by side
public evidence| ChatGPT | Gemini | |
|---|---|---|
| Evidence score / 100 | 83 | 77 |
| GitHub stars | closed source | closed source |
| Hacker News stories, 30d | 245 | 145 |
| Release-feed mentions, 30d | 14 | 3 |
| Last activity | 0 days ago | 0 days ago |
| Pricing | Free tier · Plus $20/mo, Pro $200/mo | Free tier · Google AI Pro $19.99/mo |
| Platforms | web, mac, windows, ios, android, api | web, ios, android, api |
| Maker | OpenAI |
Which one?
Pick ChatGPT if
- you want the stronger public evidence (83 vs 77)
- you need it on mac, windows
Best for an all-round first assistant to try.
Pick Gemini if
Deep Research produces long cited reports from dozens of sources, and it reads your Gmail, Drive and Calendar directly when you allow it.
Best for Google Workspace users who want research reports.