transport(daily): use "nova-2-general" for transcription

CHANGELOG.md

@@ -19,6 +19,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Updated `GladiaSTTService` to use the V2 API.
 
+- Changed `DailyTransport` transcription model to `nova-2-general`.
+
 ### Fixed
 
 - Fixed `enable_usage_metrics` to control LLM/TTS usage metrics separately
@@ -36,6 +38,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Changed `DeepgramSTTService` model to `nova-2-general`.
+
 - Moved `SileroVAD` audio processor to `processors.audio.vad`.
 
 - Module `utils.audio` is now `audio.utils`. A new `resample_audio` function has

pyproject.toml

@@ -21,9 +21,9 @@ classifiers = [
 ]
 dependencies = [
     "aiohttp~=3.10.3",
+    "loguru~=0.7.2",
     "Markdown~=3.7",
     "numpy~=1.26.4",
-    "loguru~=0.7.2",
     "Pillow~=10.4.0",
     "protobuf~=4.25.4",
     "pydantic~=2.8.2",

src/pipecat/transports/services/daily.py

@@ -6,6 +6,7 @@
 
 import asyncio
 import time
+import warnings
 from concurrent.futures import ThreadPoolExecutor
 from dataclasses import dataclass
 from typing import Any, Awaitable, Callable, Mapping, Optional
@@ -20,7 +21,7 @@ from daily import (
     VirtualSpeakerDevice,
 )
 from loguru import logger
-from pydantic.main import BaseModel
+from pydantic import BaseModel, model_validator
 
 from pipecat.audio.vad.vad_analyzer import VADAnalyzer, VADParams
 from pipecat.frames.frames import (
@@ -93,8 +94,8 @@ class DailyDialinSettings(BaseModel):
 
 class DailyTranscriptionSettings(BaseModel):
     language: str = "en"
-    tier: str = "nova"
-    model: str = "2-conversationalai"
+    tier: Optional[str] = None
+    model: str = "nova-2-general"
     profanity_filter: bool = True
     redact: bool = False
     endpointing: bool = True
@@ -102,6 +103,14 @@ class DailyTranscriptionSettings(BaseModel):
     includeRawResponse: bool = True
     extra: Mapping[str, Any] = {"interim_results": True}
 
+    @model_validator(mode="before")
+    def check_deprecated_fields(cls, values):
+        with warnings.catch_warnings():
+            warnings.simplefilter("always")
+            if "tier" in values:
+                warnings.warn("'tier' is deprecated, use 'model' instead", DeprecationWarning)
+        return values
+
 
 class DailyParams(TransportParams):
     api_url: str = "https://api.daily.co/v1"