ELM Models Available Through the API

This section introduces the AI models currently available through the ELM API, helping you understand what is available and how they are organised. Models are grouped by category and listed alphabetically within each group to make browsing simpler and more consistent.

Expand each section to see the models included and become familiar with the options you can access.

Models available in our web-based chat interface 

  • Llama 3.3

  • EuroLLM 


  • gpt-5.5

  • gpt-5.4

  • gpt-5.4-mini

  • gpt-5.4-nano

  • gpt-5

  • gpt-5.1

  • gpt-5.2

  • gpt-4.1

  • gpt-4.1-nano

  • gpt -4.1-mini

  • o1

  • o3

  • o3-mini

  • o4-mini 


  • Gemini-3.1-flash-lite

  • Gemini-3.1-pro 


Models available via API

In addition to the above, all locally hosted and OpenAI models are available via API, as well as OpenAI’s complete suite of models listed here.  

  • gpt-5.5

  • gpt-5.5-pro

  • gpt-5.4

  • gpt-5.4-pro

  • gpt-5.4-mini

  • gpt-5.4-nano

  • gpt-5-mini

  • gpt-5-nano

  • gpt-5

  • gpt-4.1 


gpt-image-2 

Note: We have disabled access to image creation models by default. Access can be provided to these with approval, including an ethics review. The ELM team is investigating ethical and climate-sensitive image creation models. 


  • gpt-realtime-2

  • gpt-realtime-translate

  • gpt-realtime-whisper

  • gpt-realtime-1.5

  • gpt-realtime

  • gpt-realtime-mini

  • gpt-audio-1.5

  • gpt-audio

  • gpt-audio-mini

  • gpt-4o-audio-preview

  • gpt-4o-mini-audio-preview

  • gpt-4o-realtime-preview

  • gpt-4o-mini-realtime-preview

  • gpt-4o-transcribe

  • gpt-4o-mini-transcribe

  • gpt-4o-transcribe-diarize

  • gpt-4o-mini-tts

  • tts-1

  • tts-1-hd

  • whisper-1 


gpt-5.3-codex 


This article was published on