Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Grok | 30 USD/mo | yes | Chatbots & AI assistants |
 DeepSeek | 0.02 USD | ? | Chatbots & AI assistants |
 ChatGPT | 34,99 PLN/mo | yes | Chatbots & AI assistants |
 Google AI | not listed | ? | Chatbots & AI assistants |
 Kimi | 15 USD/mo | ? | Chatbots & AI assistants |
 Open WebUI | not listed | yes | Chatbots & AI assistants |
 Claude | 17 USD/mo | yes | Chatbots & AI assistants |
 LibreChat | not listed | ? | Chatbots & AI assistants |
Each alternative in short
1. DeepSeek
Chinese AI lab offering open-source large language models (DeepSeek-V4, R1) via a chat app, web interface and developer API.
The vendor does not state this clearly on the homepage or pricing page.
2. ChatGPT
AI assistant for chatting, research, image creation, file analysis, and coding, for individuals and teams.
Yes, there is a free plan. Free plan includes unlimited text chats subject to abuse guardrails, with limited messages with uploads, limited image creation, limited voice chats, limited deep research, limited memory and context, limited Codex access, and limited ChatGPT Work access on desktop.
3. Google AI
Google's hub for AI products, developer tools, research and responsibility efforts, aimed at general users, businesses and developers.
The vendor does not state this clearly on the homepage or pricing page.
4. Kimi
AI assistant from Moonshot AI for chat, agentic coding, slide decks and deep research, aimed at developers and knowledge workers.
The vendor does not state this clearly on the homepage or pricing page.
5. Open WebUI
Self-hosted AI chat interface that connects local and cloud models, with Python extensions, for individuals and organizations that want to keep control of their data.
Yes, there is a free plan. The open-source platform can be installed for free with pip or Docker, with no account required.
6. Claude
AI assistant by Anthropic for chat, writing, coding and research, used by individuals and teams.
Yes, there is a free plan. Free plan: chat on web and apps, code generation and data visualization, writing, web search, memory, file creation and code execution, desktop extensions, connectors, extended thinking. Limited use, no payment required.
7. LibreChat
Open-source, self-hosted AI chat platform that brings conversations with multiple AI models into one customizable interface.
The vendor does not state this clearly on the homepage or pricing page.
FAQ
What is the best alternative to Grok?
The most popular option in the same category is DeepSeek. See the comparison table above.