IT Center Changes

Features:

• Added support for new models:
  • gpt-5.3-chat, Mistral-Small-4-119B-2603

Bugfixes and Improvements:

• No spaces or special characters are allowed anymore in internal deployment names
• Improved performance when accessing the API
• For image generation, the input image is now only displayed if it was manually selected
• Minor improvements to shared chats, especially regarding model selection and chats with images
• Improved behavior when manually cancelling a completion
• Fixed an issue with title generation when it takes longer than the actual prompt
• Fixed a problem with database indexes that prevented the app from starting

Note:

• The models gpt-4o and gpt-4o-mini will be discontinued on March 31, 2026, and removed from the model list. They will also no longer be available when using an API key after this date. To continue existing chats, they must be migrated to another model.

Features:

• gpt-oss-120b is now set as the default model

Bugfixes and Improvements:

• Title generation is no longer counted toward the maximum number of parallel requests per user
• Added support for the encoding_format parameter in the embedding endpoint
• Restricted access to own chats in user groups that are no longer accessible

Features:

• Support for Embedding Models with API Key Usage
• Model switching within an active chat is now possible
• Expanded and updated model catalog

Bugfixes and Improvements:

• Improved Azure OpenAI support and compatibility (more consistent behavior across providers)
• Refined Sidebar & User Menu UX (dropdown menus, modals, improved usability)
• Corrected default deployment selection
• Improved syntax highlighting in code output
• Logos now display correctly after tenant switching
• Fixed API key inactivity/expiration logic
• Fixed file upload via keyboard
• Various minor UI and stability fixes

Features:

• Support for new models:
  • gpt-5.1, gpt-5.2
• New overview page showing all current deployments for a user group
• Deployments can now be created as API-only
• Long chats (context windows) are no longer cut off

Bugfixes and Improvements: 

• Improved deployment selection design
• Redesigned mobile layout
• Long words without spaces now wrap correctly in chat messages
• Optimized search performance
• Improved error message for temporarily inactive API keys
• Redesigned API key modal
• Title generation now runs in parallel with completions
• API key expiration can now be dynamically configured per user group
• Ctrl+Home and Ctrl+End now work correctly in the input form
• Search now only shows chats from the current user group
• The copy icon is no longer shown on “waiting” messages
• An error modal is now displayed when the hard limit is reached

Features:

• Users can now create and manage API keys for multiple models:
  • For employees: In addition to OpenAI GPT OSS 120b API keys for the following models are now enabled: GPT-4o mini, GPT-4o, GPT-4.1, and GPT-5.1.
  • For students: In addition to OpenAI GPT OSS 120b API keys for the following models are now enabled: API keys for Mixtral 8x22B / Mistral Small 3.2 are now enabled

Features:

• Users can now create and manage their own API keys:
  • Currently for the OpenAI GPT OSS 120b model

Features:

• Support for new models:
  • gpt-oss-120b and gpt-oss-20b
• Chat export function added

Bugfixes and Improvements:

• Improved display of formulas
• Document content is now sent to LLMs as a user message (previously system)
• Strict role sequence in prompts (no two consecutive messages with the same role)
• Improvements to timeouts and retries
• Various design optimizations
• The correct time period is now displayed when message limits are reached
• Title generation with Mistral Small now works correctly
• The sidebar can now be expanded and collapsed again

Features:

• Newly supported models:
  • gpt-5, gpt-5-mini, gpt-5-nano, gpt-5-chat
  • Beta support for various models from the Llama, Mistral, Gemma, Qwen, Teuken, and InternVL families
• Users with access to multiple user groups can now switch between groups in the frontend
• Added notifications for automatically deleted chats, along with a new modal for manually deleting or extending these chats

Bugfixes and Improvements:

• Content pages are now displayed correctly across all tenants
• Optimized print layout for chat history

Language models (new for employees):

• OpenAI GPT 4.1
• OpenAI o4-mini
• OpenAI o3

Language models (new for students):

• OpenAI GPT 4.1
• OpenAI o4-mini

Bugfixes and Improvements:

• Summer theme revised
• Improvement in cost tracking: Prompt caching and various error cases are now taken into account
• The chat deletion dialog now always shows the correct chat title
• File upload button is reactivated after a file that has already been uploaded is removed