fix: gemini 1.5 pro alias

aider/models/litellm.py

@@ -24,7 +24,7 @@ def is_litellm_installed():
  "sonnet": "claude-3-sonnet-20240229",
  "haiku": "claude-3-haiku-20240307",
  # gemini-1.5-pro
- "gemini": "gemini-1.5-pro-preview-0409",
+ "gemini": "gemini/gemini-1.5-pro-latest",
  # gpt-3.5
  "gpt-3.5": "gpt-3.5-turbo-0613",
  "gpt-3.5-turbo": "gpt-3.5-turbo-0613",
@@ -48,7 +48,15 @@ def __init__(self, name):
 
  model_data = models_info.get(model_id)
  if not model_data:
- raise ValueError(f"Unsupported model: {model_id}")
+ # HACK: for gemini 1.5 pro to work, LiteLLM needs the "-latest" part
+ # included in the model name, but it's not included in the list of
+ # supported models that way, so finesse it here
+ if model_id == "gemini/gemini-1.5-pro-latest":
+ model_data = models_info.get("gemini/gemini-1.5-pro")
+ if not model_data:
+ raise ValueError(f"Unsupported model: {model_id}")
+ else:
+ raise ValueError(f"Unsupported model: {model_id}")
 
  self.tokenizer = tiktoken.get_encoding("cl100k_base")