Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 LocalePack | not listed | no | Browser extensions |
 Sider | not listed | yes | Browser extensions |
 MaxAI | 12 USD/mo | yes | Browser extensions |
 Opera AI | not listed | yes | Browser extensions |
 Gemini in Chrome | 97,99 PLN/mo | ? | Browser extensions |
 RegexAI | not listed | yes | Browser extensions |
 AIPRM | not listed | yes | Browser extensions |
 Pinokio | not listed | ? | Browser extensions |
 HARPA AI | 55.4 PLN/mo | ? | Browser extensions |
Each alternative in short
1. Sider
AI sidebar and browser agent that chats with multiple AI models, summarizes web pages, and automates browser tasks.
Yes, there is a free plan. The pricing page lists a free tier for translation (basic model) and the Chrome extension itself; the exact free credit allowance is not stated in the text.
2. MaxAI
Browser extension that gives an AI assistant sidebar for reading, writing, summarizing and translating content on any webpage.
Yes, there is a free plan. Unlimited Free chat with the fast free AI model, 3 Pro chats per day, limited file uploads, basic browser features.
3. Opera AI
Free, accountless AI assistant built into the Opera browser that answers questions, summarizes tabs and files, and generates images.
Yes, there is a free plan. Free access to Opera AI with no log-in, including the AI image generator and access to OpenAI and Google models.
4. Gemini in Chrome
AI browsing assistant built into Google Chrome that answers questions about open tabs, summarizes pages and videos, and can act on web tasks.
The vendor does not state this clearly on the homepage or pricing page.
5. RegexAI
Builds regular expressions from plain-English descriptions and tests them live, for developers who write or debug regex.
Yes, there is a free plan. Free to use, no signup, according to the page.
6. AIPRM
Browser extension for ChatGPT and Claude offering a library of ready-made prompts and tools to reuse your own prompts.
Yes, there is a free plan. Free version with access to 5,400+ public prompts, usable for an unlimited time; premium plans unlock higher quotas.
7. Pinokio
One-click launcher and browser for running open-source AI and other apps locally on your own computer.
The vendor does not state this clearly on the homepage or pricing page.
8. HARPA AI
Chrome extension giving access to many AI models on any web page, for summarizing, writing, research and web automation.
The vendor does not state this clearly on the homepage or pricing page.
FAQ
What is the best alternative to LocalePack?
The most popular option in the same category is Sider. See the comparison table above.