Shortlist by what you need
Start here if you know why you are leaving ChatGPT.
Want the closest match?
Google GeminiMost similar to ChatGPT in what it does, its category and its price.
Visit (opens Google Gemini in a new tab)Need a free plan?
GrokHas a free plan, rated 4.5 out of 5.
Visit (opens Grok in a new tab)Want the best rated?
DoubaoRated 4.2 out of 5 in our review, against 4.8 for ChatGPT.
Visit (opens Doubao in a new tab)
At a glance
Green means better than ChatGPT, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 ChatGPTBaseline | 4.8 | $20/mo | Yes | The product that took generative AI mainstream in late 2022 | |
| Google Gemini | 4.4−0.4 | $20/moSame price | Yes | Multimodal from the ground up, deeply tied to Google's ecosystem | vs ChatGPT |
| Doubao | 4.2−0.6 | Free | Yes | ByteDance's chatbot, dominant in China the way ChatGPT is in the West | vs ChatGPT |
| Grok | 4.5−0.3 | $30/mo$10 more | Yes | Built by xAI with direct access to real-time X data | vs ChatGPT |
 KnowItAll AI Chat | 3.7−1.1 | Free | Yes | IPhone chatbot and writing assistant giving access to Claude, ChatGPT, Gemini and Grok from one app, free to download. | vs ChatGPT |
The alternatives in detail
In order of how closely each one matches ChatGPT.
Google Gemini
4.4$20/mo
vs ChatGPTSame price−0.4
Multimodal from the ground up, deeply tied to Google's ecosystem.
- Native multimodal understanding of text, image, video, and audio
- Deep integration with Gmail, Docs, Sheets, and Workspace
- Deep Research for autonomous multi-source report synthesis
Native multimodal design rather than bolted-on media support
Full value depends on already using Google Workspace regularly
Doubao
4.2Free
vs ChatGPT−0.6
ByteDance's chatbot, dominant in China the way ChatGPT is in the West.
- One of the most widely used chatbots in China
- Backed by ByteDance's existing consumer app distribution
- General chat, image generation, and voice interaction
Massive existing user base through ByteDance's distribution
Primary relevance and user base centers on the Chinese market
Grok
4.5$30/mo
vs ChatGPT$10 more−0.3
Built by xAI with direct access to real-time X data.
- Direct integration with real-time X platform data
- Image generation and voice mode included
- Multiple model tiers balancing speed and capability
Real-time X data access is a genuine technical differentiator
Conversational style and content moderation approach warrant direct evaluation for specific use cases
KnowItAll AI Chat
3.7Free
vs ChatGPT−1.1
IPhone chatbot and writing assistant giving access to Claude, ChatGPT, Gemini and Grok from one app, free to download.
- Access to Claude, ChatGPT, Gemini and Grok from one app
- A 4.7 out of 5 App Store rating from 1,500-plus ratings
- Updated as recently as December 2025
A single app instead of switching between four provider apps
A third-party wrapper, not an official app from any model provider
FAQ
Questions people ask
Is ChatGPT free?
ChatGPT has a free plan, and paid plans start from $20/mo.
What is the best free alternative to ChatGPT?
Grok is the highest-rated alternative here with a free plan (4.5 out of 5). Other free options: Google Gemini, Doubao, KnowItAll AI Chat.
What is the cheapest alternative to ChatGPT?
Among paid plans, Google Gemini has the lowest starting price (from $20/mo). If you need it free, start with Grok.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.