AI tool comparisons (vs)
Compare popular AIs head-to-head. Differences in share, pricing and features help you decide which one to pick, using data.
A. What are the popular AI comparisons?
ChatGPT vs Gemini, ChatGPT vs Claude and Claude vs Gemini are especially popular. From the differences in share, pricing and features, you can judge which one is better for each use case with data.
ChatGPTvsGoogle Gemini→ChatGPTvsClaude→ClaudevsGoogle Gemini→ChatGPTvsPerplexity→Google GeminivsClaude→ClaudevsPerplexity→ChatGPTvsGrok→ChatGPTvsMicrosoft Copilot→ChatGPTvsDeepSeek→Google GeminivsPerplexity→Microsoft CopilotvsGoogle Gemini→Google GeminivsGrok→ClaudevsGrok→PerplexityvsClaude→ClaudevsDeepSeek→
COMPARISON TOOL
Compare the AIs you pick, side by side
Pick 2–4 AI tools and compare market share, free plan, cheapest paid tier and feature support instantly. The figures are the same public data used across this site.
Choose the AIs to compare. (up to 4)
| ChatGPT | Google Gemini | Perplexity | |
|---|---|---|---|
| Worldwide market share | 80.1% | 11.0% | 4.9% |
| Free plan | ○ Yes | ○ Yes | ○ Yes |
| Cheapest paid tier (monthly) | $8 | $7.99 | $20 |
| Japanese support | ○ Yes | ○ Yes | ○ Yes |
| Image input | ○ Yes | ○ Yes | ○ Yes |
| Image generation | ○ Yes | ○ Yes | △ Partial |
| Voice chat | ○ Yes | ○ Yes | ○ Yes |
| File reading | ○ Yes | ○ Yes | ○ Yes |
| Web search | ○ Yes | ○ Yes | ○ Yes |
| Code generation | ○ Yes | ○ Yes | △ Partial |
| API | ○ Yes | ○ Yes | ○ Yes |
| Mobile app | ○ Yes | ○ Yes | ○ Yes |
COMPARISON AT A GLANCE
Which is more popular, and which is cheaper (Sep 2026)
For every pair, the AI that leads on worldwide share and the one with the cheaper paid plan. See each comparison page for the full differences.
| Comparison | Leads on share | Cheaper | Details |
|---|---|---|---|
| ChatGPT vs Google Gemini | ChatGPT (+69.04pt) | Google Gemini ($0.009999999999999787 less) | See comparison |
| ChatGPT vs Claude | ChatGPT (+78.22pt) | ChatGPT ($12 less) | See comparison |
| Claude vs Google Gemini | Google Gemini (+9.18pt) | Google Gemini ($12.01 less) | See comparison |
| ChatGPT vs Perplexity | ChatGPT (+75.14pt) | ChatGPT ($12 less) | See comparison |
| Google Gemini vs Claude | Google Gemini (+9.18pt) | Google Gemini ($12.01 less) | See comparison |
| Claude vs Perplexity | Perplexity (+3.08pt) | About equal | See comparison |
| ChatGPT vs Grok | — | ChatGPT ($2 less) | See comparison |
| ChatGPT vs Microsoft Copilot | ChatGPT (+78.02pt) | ChatGPT ($12 less) | See comparison |
| ChatGPT vs DeepSeek | ChatGPT (+80.06pt) | — | See comparison |
| Google Gemini vs Perplexity | Google Gemini (+6.10pt) | Google Gemini ($12.01 less) | See comparison |
| Microsoft Copilot vs Google Gemini | Google Gemini (+8.98pt) | Google Gemini ($12.01 less) | See comparison |
| Google Gemini vs Grok | — | Google Gemini ($2.01 less) | See comparison |
| Claude vs Grok | — | Grok ($10 less) | See comparison |
| Perplexity vs Claude | Perplexity (+3.08pt) | About equal | See comparison |
| Claude vs DeepSeek | Claude (+1.84pt) | — | See comparison |
Share is worldwide market share (StatCounter, reference value); price compares the cheapest paid plan (USD/month).
Frequently asked questions
Which comparison should I start with?
Start with the pairs people search for most, such as ChatGPT vs Gemini or ChatGPT vs Claude. The table above shows at a glance which one leads on share and which is cheaper, so you can then open the pair you care about.
Where do the numbers in these comparisons come from?
Market share comes from StatCounter Global Stats (AI chatbot market share) and pricing from each vendor's official public rates. All are reference values with the capture month stated; no figure is estimated by a generative model.
⚠ Reference values based on public data and editorial research; not a complete count of actual users.