If you're looking for a Neptyne alternative, Mito is worth a look. Mito is a Python automation tool that generates Python code based on changes to your spreadsheet. It can integrate with popular data science tools like Jupyter, Streamlit or Dash and can use AI to generate code and build interactive dashboards. If you want to automate some repetitive tasks without having to learn a lot of Python, this could be a good option.
Another good option is SheetAI, a Google Sheets add-on that uses AI to automate data analysis. It includes features like AI-generated lists and tables, and magic fills to rapidly fill in data. It's designed to increase productivity and automate workflow, so if you're looking for a more professional tool to take your Google Sheets abilities to the next level, this could be a good option.
If you're looking for a more general productivity tool, you should check out GPT Workspace. It combines ChatGPT and Gemini with Google Workspace, letting you perform tasks like data categorization, summarization and content creation directly in Google Sheets, Docs and Slides. It supports more than 30 languages and has a free plan with no usage limits, so it's a good option for automating a wide range of tasks across your Google apps.
Last, Numerous.ai brings AI to Google Sheets and Excel, and it's relatively easy to set up and use. It supports team collaboration and a wide range of tasks like data summarization and categorization, digital marketing and content creation. Its interface is relatively easy to use, and its pricing is relatively affordable, so if you need some quick AI integration without the hassle of API keys, it could be a good option.