fix: Vertex AI model names use vertex_ai/ prefix

Don't be confused with `llm_provider` which is `vertex_ai-language-models`
https://github.com/BerriAI/litellm/blob/340a0453d33d980568402713f32238569de5fb30/litellm/__init__.py#L509

Author: ei-grad

aider/resources/model-settings.yml

@@ -315,15 +315,15 @@
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-3-7-sonnet@20250219
+- name: vertex_ai/claude-3-7-sonnet@20250219
   overeager: true
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   examples_as_sys_msg: true
   extra_params:
     max_tokens: 64000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-3-7-sonnet@20250219
+  editor_model_name: vertex_ai/claude-3-7-sonnet@20250219
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
@@ -1610,14 +1610,14 @@
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+- name: vertex_ai/claude-sonnet-4@20250514
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   examples_as_sys_msg: false
   extra_params:
     max_tokens: 64000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+  editor_model_name: vertex_ai/claude-sonnet-4@20250514
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
@@ -1814,21 +1814,22 @@
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-opus-4@20250514
+- name: vertex_ai/claude-opus-4@20250514
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   examples_as_sys_msg: false
   extra_params:
     max_tokens: 32000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+  editor_model_name: vertex_ai/claude-sonnet-4@20250514
   editor_edit_format: editor-diff
   accepts_settings: ["thinking_tokens"]
 
 - name: vertex_ai/gemini-2.5-flash-preview-05-20
   edit_format: diff
   use_repo_map: true
   accepts_settings: ["reasoning_effort", "thinking_tokens"]
+
 - name: openrouter/anthropic/claude-opus-4
   edit_format: diff
   weak_model_name: openrouter/anthropic/claude-3-5-haiku

aider/website/docs/config/adv-model-settings.md

@@ -1730,37 +1730,37 @@ cog.out("```\n")
   accepts_settings:
   - thinking_tokens
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-3-7-sonnet@20250219
+- name: vertex_ai/claude-3-7-sonnet@20250219
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   overeager: true
   examples_as_sys_msg: true
   extra_params:
     max_tokens: 64000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-3-7-sonnet@20250219
+  editor_model_name: vertex_ai/claude-3-7-sonnet@20250219
   editor_edit_format: editor-diff
   accepts_settings:
   - thinking_tokens
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-opus-4@20250514
+- name: vertex_ai/claude-opus-4@20250514
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   extra_params:
     max_tokens: 32000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+  editor_model_name: vertex_ai/claude-sonnet-4@20250514
   editor_edit_format: editor-diff
   accepts_settings:
   - thinking_tokens
 
-- name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+- name: vertex_ai/claude-sonnet-4@20250514
   edit_format: diff
   weak_model_name: vertex_ai/claude-3-5-haiku@20241022
   use_repo_map: true
   extra_params:
     max_tokens: 64000
-  editor_model_name: vertex_ai-anthropic_models/vertex_ai/claude-sonnet-4@20250514
+  editor_model_name: vertex_ai/claude-sonnet-4@20250514
   editor_edit_format: editor-diff
   accepts_settings:
   - thinking_tokens