Molmo (chatbot: https://molmo.allenai.org): a multimodal language model open-source for image analysis/conversations.
Description: https://molmo.allenai.org/blog.
Unlimited.

Images for testing:
https://commons.wikimedia.org/wiki/File:Alps-glaciers.png?uselang=fr… / https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg/520px-Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg… .