Add support for claude sonnet 3-7 (#1034)

Author: ilanbenb

pydantic_ai_slim/pydantic_ai/models/__init__.py

@@ -28,9 +28,11 @@
 
 
 KnownModelName = Literal[
+    'anthropic:claude-3-7-sonnet-latest',
     'anthropic:claude-3-5-haiku-latest',
     'anthropic:claude-3-5-sonnet-latest',
     'anthropic:claude-3-opus-latest',
+    'claude-3-7-sonnet-latest',
     'claude-3-5-haiku-latest',
     'claude-3-5-sonnet-latest',
     'claude-3-opus-latest',

pydantic_ai_slim/pydantic_ai/models/anthropic.py

@@ -42,6 +42,7 @@
 try:
     from anthropic import NOT_GIVEN, APIStatusError, AsyncAnthropic, AsyncStream
     from anthropic.types import (
+        ContentBlock,
         ImageBlockParam,
         Message as AnthropicMessage,
         MessageParam,
@@ -69,6 +70,7 @@
     ) from _import_error
 
 LatestAnthropicModelNames = Literal[
+    'claude-3-7-sonnet-latest',
     'claude-3-5-haiku-latest',
     'claude-3-5-sonnet-latest',
     'claude-3-opus-latest',
@@ -423,7 +425,7 @@ class AnthropicStreamedResponse(StreamedResponse):
     _timestamp: datetime
 
     async def _get_event_iterator(self) -> AsyncIterator[ModelResponseStreamEvent]:
-        current_block: TextBlock | ToolUseBlock | None = None
+        current_block: ContentBlock | None = None
         current_json: str = ''
 
         async for event in self._response:

pydantic_ai_slim/pyproject.toml

@@ -49,7 +49,7 @@ logfire = ["logfire>=2.3"]
 openai = ["openai>=1.65.1"]
 cohere = ["cohere>=5.13.11"]
 vertexai = ["google-auth>=2.36.0", "requests>=2.32.3"]
-anthropic = ["anthropic>=0.40.0"]
+anthropic = ["anthropic>=0.49.0"]
 groq = ["groq>=0.12.0"]
 mistral = ["mistralai>=1.2.5"]
 # Tools