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		Introducing the new Demo Playground
Today, I am releasing the Demo Playground with a refreshed design and added support for multimodal capabilities.
It continues to run on the GPT-5 model.
https://huggingface.co/spaces/umint/ai
https://umint-ai.hf.space
Update October 15, 2025
- Switched to a limited model for long context memory.
- Fixed UI lag issues when rendering various types of LLM responses. 
Switch back to regular model
Update October 16, 2025
- The maximum input limit for demo use is now set to 150 characters. 
- Added swipe-to-close support for the sidebar, specifically for mobile and smartphone modes. 
where do you get the ai api's? pollinations doesn't have gpt-4.1...
Update October 19, 2025
- Completely switched to a limited model. 
- Refactor backend logic. 
Update October 19, 2025
- Added support for multiple providers. 
- Added support for multiple models. 
- Introduced a new model for the Demo Playground. - Normal models: - openai/gpt-5-chat-latest
- openai/gpt-4.1-nano-2025-04-14
- openai/o4-mini-2025-04-16
 
- Limited models: - limited/gpt-5-chat-latest
- limited/gpt-4.1-2025-04-14
- limited/gpt-4o-2024-11-20
 
 - Click here to view full details about the limited models. 
- Demo Playground updated to 1.0.4 version. 
Update October 22, 2025
- Optimized React components
- Optimized Next.js components
- Set maximum upload size limit for images
- Set limit for the number of images per upload
- Optimized layout for mobile and smartphone use
- Enhanced the security of the Demo Playground ecosystem
- Integrated Cloudflare Turnstile for human verification
- Added informational pop-ups for specific scenarios
- Updated Next.js to 16.0.0 version (latest)
- Updated Demo Playground to 1.0.5 version
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Your contribution will help make the ecosystem even more powerful in the future.
Update October 23, 2025
- Optimized Turbopack configuration to align with updates in Next.js 16.0.0 version. 
- Fixed an issue where model switching occasionally remained on the default model when triggering example prompts. 
- Minor improvements to the verification layout. 
- Added DeepSeek R1 (0528) model. 
- Updated Demo Playground to 1.0.6 version. 
Enjoying this project and finding it helpful? Consider making a donation.
Your contribution will help make the ecosystem even more powerful in the future.
Update October 25, 2025
- Frontend: - Redesigned the model selector interface
- Made the chat area fully responsive to full screen
- Added expandable and collapsible header functionality
- Fixed minor bugs in the input form
 
- Backend: - Updated Next.js compatibility for Hugging Face Spaces
- Optimized initial web rendering for faster load times
 
- Added openai/gpt-oss-20b model 
Enjoying this project and finding it helpful? Consider making a donation.
Your contribution will help make the ecosystem even more powerful in the future.
