Add claude-sonnet-4-5 to known model names (#3033)

Author: DouweM

pydantic_ai_slim/pydantic_ai/models/__init__.py

@@ -65,6 +65,8 @@
         'anthropic:claude-opus-4-20250514',
         'anthropic:claude-sonnet-4-0',
         'anthropic:claude-sonnet-4-20250514',
+        'anthropic:claude-sonnet-4-5',
+        'anthropic:claude-sonnet-4-5-20250929',
         'bedrock:amazon.titan-tg1-large',
         'bedrock:amazon.titan-text-lite-v1',
         'bedrock:amazon.titan-text-express-v1',
@@ -121,23 +123,6 @@
         'cerebras:qwen-3-32b',
         'cerebras:qwen-3-coder-480b',
         'cerebras:qwen-3-235b-a22b-thinking-2507',
-        'claude-3-5-haiku-20241022',
-        'claude-3-5-haiku-latest',
-        'claude-3-5-sonnet-20240620',
-        'claude-3-5-sonnet-20241022',
-        'claude-3-5-sonnet-latest',
-        'claude-3-7-sonnet-20250219',
-        'claude-3-7-sonnet-latest',
-        'claude-3-haiku-20240307',
-        'claude-3-opus-20240229',
-        'claude-3-opus-latest',
-        'claude-4-opus-20250514',
-        'claude-4-sonnet-20250514',
-        'claude-opus-4-0',
-        'claude-opus-4-1-20250805',
-        'claude-opus-4-20250514',
-        'claude-sonnet-4-0',
-        'claude-sonnet-4-20250514',
         'cohere:c4ai-aya-expanse-32b',
         'cohere:c4ai-aya-expanse-8b',
         'cohere:command',
@@ -163,54 +148,6 @@
         'google-vertex:gemini-2.5-flash',
         'google-vertex:gemini-2.5-flash-lite',
         'google-vertex:gemini-2.5-pro',
-        'gpt-3.5-turbo',
-        'gpt-3.5-turbo-0125',
-        'gpt-3.5-turbo-0301',
-        'gpt-3.5-turbo-0613',
-        'gpt-3.5-turbo-1106',
-        'gpt-3.5-turbo-16k',
-        'gpt-3.5-turbo-16k-0613',
-        'gpt-4',
-        'gpt-4-0125-preview',
-        'gpt-4-0314',
-        'gpt-4-0613',
-        'gpt-4-1106-preview',
-        'gpt-4-32k',
-        'gpt-4-32k-0314',
-        'gpt-4-32k-0613',
-        'gpt-4-turbo',
-        'gpt-4-turbo-2024-04-09',
-        'gpt-4-turbo-preview',
-        'gpt-4-vision-preview',
-        'gpt-4.1',
-        'gpt-4.1-2025-04-14',
-        'gpt-4.1-mini',
-        'gpt-4.1-mini-2025-04-14',
-        'gpt-4.1-nano',
-        'gpt-4.1-nano-2025-04-14',
-        'gpt-4o',
-        'gpt-4o-2024-05-13',
-        'gpt-4o-2024-08-06',
-        'gpt-4o-2024-11-20',
-        'gpt-4o-audio-preview',
-        'gpt-4o-audio-preview-2024-10-01',
-        'gpt-4o-audio-preview-2024-12-17',
-        'gpt-4o-audio-preview-2025-06-03',
-        'gpt-4o-mini',
-        'gpt-4o-mini-2024-07-18',
-        'gpt-4o-mini-audio-preview',
-        'gpt-4o-mini-audio-preview-2024-12-17',
-        'gpt-4o-mini-search-preview',
-        'gpt-4o-mini-search-preview-2025-03-11',
-        'gpt-4o-search-preview',
-        'gpt-4o-search-preview-2025-03-11',
-        'gpt-5',
-        'gpt-5-2025-08-07',
-        'gpt-5-chat-latest',
-        'gpt-5-mini',
-        'gpt-5-mini-2025-08-07',
-        'gpt-5-nano',
-        'gpt-5-nano-2025-08-07',
         'grok:grok-4',
         'grok:grok-4-0709',
         'grok:grok-3',
@@ -271,22 +208,6 @@
         'moonshotai:kimi-latest',
         'moonshotai:kimi-thinking-preview',
         'moonshotai:kimi-k2-0711-preview',
-        'o1',
-        'o1-2024-12-17',
-        'o1-mini',
-        'o1-mini-2024-09-12',
-        'o1-preview',
-        'o1-preview-2024-09-12',
-        'o1-pro',
-        'o1-pro-2025-03-19',
-        'o3',
-        'o3-2025-04-16',
-        'o3-deep-research',
-        'o3-deep-research-2025-06-26',
-        'o3-mini',
-        'o3-mini-2025-01-31',
-        'o3-pro',
-        'o3-pro-2025-06-10',
         'openai:chatgpt-4o-latest',
         'openai:codex-mini-latest',
         'openai:gpt-3.5-turbo',

pydantic_ai_slim/pydantic_ai/models/anthropic.py

@@ -54,7 +54,7 @@
 
 
 try:
-    from anthropic import NOT_GIVEN, APIStatusError, AsyncStream
+    from anthropic import NOT_GIVEN, APIStatusError, AsyncStream, omit as OMIT
     from anthropic.types.beta import (
         BetaBase64PDFBlockParam,
         BetaBase64PDFSourceParam,
@@ -285,18 +285,18 @@ async def _messages_create(
 
             return await self.client.beta.messages.create(
                 max_tokens=model_settings.get('max_tokens', 4096),
-                system=system_prompt or NOT_GIVEN,
+                system=system_prompt or OMIT,
                 messages=anthropic_messages,
                 model=self._model_name,
-                tools=tools or NOT_GIVEN,
-                tool_choice=tool_choice or NOT_GIVEN,
+                tools=tools or OMIT,
+                tool_choice=tool_choice or OMIT,
                 stream=stream,
-                thinking=model_settings.get('anthropic_thinking', NOT_GIVEN),
-                stop_sequences=model_settings.get('stop_sequences', NOT_GIVEN),
-                temperature=model_settings.get('temperature', NOT_GIVEN),
-                top_p=model_settings.get('top_p', NOT_GIVEN),
+                thinking=model_settings.get('anthropic_thinking', OMIT),
+                stop_sequences=model_settings.get('stop_sequences', OMIT),
+                temperature=model_settings.get('temperature', OMIT),
+                top_p=model_settings.get('top_p', OMIT),
                 timeout=model_settings.get('timeout', NOT_GIVEN),
-                metadata=model_settings.get('anthropic_metadata', NOT_GIVEN),
+                metadata=model_settings.get('anthropic_metadata', OMIT),
                 extra_headers=extra_headers,
                 extra_body=model_settings.get('extra_body'),
             )
@@ -763,6 +763,8 @@ def _map_server_tool_use_block(item: BetaServerToolUseBlock, provider_name: str)
             args=cast(dict[str, Any], item.input) or None,
             tool_call_id=item.id,
         )
+    elif item.name in ('web_fetch', 'bash_code_execution', 'text_editor_code_execution'):  # pragma: no cover
+        raise NotImplementedError(f'Anthropic built-in tool {item.name!r} is not currently supported.')
     else:
         assert_never(item.name)
 

pydantic_ai_slim/pyproject.toml

@@ -71,7 +71,7 @@ openai = ["openai>=1.107.2"]
 cohere = ["cohere>=5.18.0; platform_system != 'Emscripten'"]
 vertexai = ["google-auth>=2.36.0", "requests>=2.32.2"]
 google = ["google-genai>=1.31.0"]
-anthropic = ["anthropic>=0.61.0"]
+anthropic = ["anthropic>=0.69.0"]
 groq = ["groq>=0.25.0"]
 mistral = ["mistralai>=1.9.10"]
 bedrock = ["boto3>=1.39.0"]

tests/models/test_model_names.py

@@ -58,9 +58,7 @@ def get_model_names(model_name_type: Any) -> Iterator[str]:
             else:
                 yield from get_model_names(arg)
 
-    anthropic_names = [f'anthropic:{n}' for n in get_model_names(AnthropicModelName)] + [
-        n for n in get_model_names(AnthropicModelName) if n.startswith('claude')
-    ]
+    anthropic_names = [f'anthropic:{n}' for n in get_model_names(AnthropicModelName)]
     cohere_names = [f'cohere:{n}' for n in get_model_names(CohereModelName)]
     google_names = [f'google-gla:{n}' for n in get_model_names(GeminiModelName)] + [
         f'google-vertex:{n}' for n in get_model_names(GeminiModelName)
@@ -69,9 +67,7 @@ def get_model_names(model_name_type: Any) -> Iterator[str]:
     groq_names = [f'groq:{n}' for n in get_model_names(GroqModelName)]
     moonshotai_names = [f'moonshotai:{n}' for n in get_model_names(MoonshotAIModelName)]
     mistral_names = [f'mistral:{n}' for n in get_model_names(MistralModelName)]
-    openai_names = [f'openai:{n}' for n in get_model_names(OpenAIModelName)] + [
-        n for n in get_model_names(OpenAIModelName) if n.startswith('o1') or n.startswith('gpt') or n.startswith('o3')
-    ]
+    openai_names = [f'openai:{n}' for n in get_model_names(OpenAIModelName)]
     bedrock_names = [f'bedrock:{n}' for n in get_model_names(BedrockModelName)]
     deepseek_names = ['deepseek:deepseek-chat', 'deepseek:deepseek-reasoner']
     huggingface_names = [f'huggingface:{n}' for n in get_model_names(HuggingFaceModelName)]