If you're looking for a FilterPixel alternative, Aftershoot is a good option. It's got AI-based culling and editing abilities of its own, including fast image analysis, separation of duplicates, and grouping of blurry shots. It also has automatic cropping and straightening, and exports to Lightroom and Capture One. Aftershoot runs on Windows and macOS and offers a 30-day free trial.
Another good option is Radiant, which uses AI to automate lots of editing tasks so you can get high-quality, edited photos as fast as possible. It's got tools like Graduated Filter, Portrait Tools, Color Grading and Smart Presets. It's a standalone app, but it also works as a plug-in to Adobe Photoshop, Lightroom Classic and Corel PaintShop Pro, so it can fit into your existing workflow. Radiant offers a 30-day money-back guarantee and a subscription for premium features.
If you want a more general-purpose photo editing tool, check out Fotor. This all-purpose online photo editor has a lot of tools, including batch photo editing, AI-based optimization, background removal and object replacement. Fotor runs on Windows, Mac, iOS and Android, so you can use it on whatever device you have handy. It also offers a free plan with no watermarks, and you can upgrade to Fotor Pro for more features.