Using PublicAI models causes an error

[zer0tonin]

Issue

Hello,

The command aider --list-models publicai makes it look like we should be able to use PublicAI models:

Models which match "publicai":
- publicai/BSC-LT/ALIA-40b-instruct_Q8_0
- publicai/BSC-LT/salamandra-7b-instruct-tools-16k
- publicai/aisingapore/Gemma-SEA-LION-v4-27B-IT
- publicai/aisingapore/Qwen-SEA-LION-v4-32B-IT
- publicai/allenai/Olmo-3-32B-Think
- publicai/allenai/Olmo-3-7B-Instruct
- publicai/allenai/Olmo-3-7B-Think
- publicai/swiss-ai/apertus-70b-instruct
- publicai/swiss-ai/apertus-8b-instruct

In practice, calling those models seems to always result in an error:

❯ export PUBLICAI_API_KEY=[MY_KEY]
❯ aider --model=publicai/swiss-ai/apertus-70b-instruct

Aider v0.86.1
Model: publicai/swiss-ai/apertus-70b-instruct with ask edit format
Git repo: .git with 93 files
Repo-map: using 1024.0 tokens, auto refresh

ask> [MY_QUESTION]

litellm.BadRequestError: LLM Provider NOT provided. Pass in the LLM provider you are trying to call. You passed model=publicai/swiss-ai/apertus-70b-instruct
 Pass model as E.g. For 'Huggingface' inference endpoints pass in `completion(model='huggingface/starcoder',..)` Learn more: https://docs.litellm.ai/docs/providers

https://docs.litellm.ai/docs/providers

Version and model info

Aider v0.86.1
Model: publicai/swiss-ai/apertus-70b-instruct with ask edit format
Git repo: .git with 93 files
Repo-map: using 1024.0 tokens, auto refresh

[zer0tonin]

After more investigation, it seems that the error comes from LiteLLM: BerriAI/litellm#17218