IT Center Changes

• API access to selected RWTHgpt models is now available for employees without additional usage limitations:
  • gpt-oss-120b
  • e5-mistral-7b-instruct
  • qwen3-embedding-8b
  • mistralai-mistral-small-4-119b

Bugfixes and Improvements:

• Opening a chat no longer triggers a full page reload
• For OpenAI models hosted via GWDG, only the supported chat completions endpoint is now available for selection
• Text overflow issues with long words and URLs have been fixed
• The allowed values for reasoning_effort have been corrected for certain OpenAI models
• Chat links can now be opened directly even when the user is not logged in
• Shared chats can now be opened directly even when the user is not logged in

Features:

• API access to selected RWTHgpt models is now available for students without additional usage limitations:
  • gpt-oss-120b
  • e5-mistral-7b-instruct
  • qwen3-embedding-8b
  • mistralai-mistral-small-4-119b

Features:

• Added support for the /api/v1/responses endpoint

Bugfixes and Improvements:

• Improved mobile sidebar and user menu
• Improved API validation and error handling, particularly for incorrect model types and provider errors

Features:

• For employees, the following new models have been added::
  • Mistral-4-small (für API-Zugriff freigeschaltet)
  • GPT-5.3 (Chat)
  • GPT-5.4-mini (Chat) (für API-Zugriff freigeschaltet)
  • GPT-5.2 (Reasoning) (für API-Zugriff freigeschaltet)
• The following models have been removed:
  • gpt-5.1
  • gpt-5.0
  • gpt-4.1
  • Llama-3.3-70B-Instruct
  • mistral-small-3.2-24B-instruct-2506

• For students, the following new models have been added:
  • Mistral-4-small (für API-Zugriff freigeschaltet)
  • GPT-5.4-mini (Chat)
  • GPT-5.2 (Reasoning)
• The following models have been removed:
  • gpt-5.1
  • gpt-5.0
  • gpt-4.1
  • Llama-3.3-70B-Instruct

Bugfixes and Improvements:

• The model selection list is now scrollable when it becomes too long
• The model overview has been redesigned for improved clarity

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 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 GPT OSS 120b API keys for the following models are now enabled: API keys for Mixtral 8x22B / Mistral Small 3.2 are now enabled