diff --git a/pyproject.toml b/pyproject.toml
index 363075019afdf3..7c1ec28d40c18c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -89,6 +89,7 @@ dependencies = [
     "sentry-redis-tools>=0.5.0",
     "sentry-relay>=0.9.22",
     "sentry-sdk[http2]>=2.47.0",
+    "sentry-seer-types>=0.1.0",
     "sentry-usage-accountant>=0.0.10",
     # remove once there are no unmarked transitive dependencies on setuptools
     "setuptools>=70.0.0",
diff --git a/src/sentry/seer/code_review/models.py b/src/sentry/seer/code_review/models.py
index 8b6eb040dc1f94..42072f956d1d41 100644
--- a/src/sentry/seer/code_review/models.py
+++ b/src/sentry/seer/code_review/models.py
@@ -1,171 +1,31 @@
 from __future__ import annotations
 
-from datetime import datetime
-from enum import StrEnum
-from typing import Literal
-
-from pydantic import BaseModel, Field
-
-from sentry.seer.models import SeerRepoDefinition
-
-# =============================================================================
-# Code Review Models (ported from Seer)
-# =============================================================================
-
-
-class CommentSeverity(StrEnum):
-    LOW = "low"
-    MEDIUM = "medium"
-    HIGH = "high"
-    CRITICAL = "critical"
-
-
-class SeerCodeReviewFeature(StrEnum):
-    BUG_PREDICTION = "bug_prediction"
-
-
-class SeerCodeReviewTrigger(StrEnum):
-    UNKNOWN = "unknown"
-    ON_COMMAND_PHRASE = "on_command_phrase"
-    ON_READY_FOR_REVIEW = "on_ready_for_review"
-    ON_NEW_COMMIT = "on_new_commit"
-
-    @classmethod
-    def _missing_(cls: type[SeerCodeReviewTrigger], value: object) -> SeerCodeReviewTrigger:
-        return cls.UNKNOWN
-
-
-class SeerCodeReviewRequestType(StrEnum):
-    """Request type for Seer code review requests."""
-
-    PR_REVIEW = "pr-review"
-    PR_CLOSED = "pr-closed"
-
-
-class SeerCodeReviewConfig(BaseModel):
-    features: dict[SeerCodeReviewFeature, bool] = Field(default_factory=lambda: {})
-    trigger: SeerCodeReviewTrigger
-    trigger_comment_id: int | None = None
-    trigger_comment_type: Literal["issue_comment"] | None = None
-    trigger_user: str | None = None
-    trigger_user_id: int | None = None
-    trigger_at: datetime | None = None  # When the trigger event occurred on GitHub
-    sentry_received_trigger_at: datetime | None = None  # When Sentry received the webhook
-
-    def is_feature_enabled(self, feature: SeerCodeReviewFeature) -> bool:
-        return self.features.get(feature, False)
-
-    def get_minimum_severity_for_feature(self, feature: SeerCodeReviewFeature) -> CommentSeverity:
-        return CommentSeverity.MEDIUM
-
-
-class BugPredictionSpecificInformation(BaseModel):
-    """Information specific to bug prediction feature."""
-
-    organization_id: int
-    organization_slug: str
-
-
-# =============================================================================
-# Code Review Repo Definition Models
-# =============================================================================
-
-
-class SeerCodeReviewRepoDefinition(BaseModel):
-    """
-    Repo definition for code review with required fields for Sentry.
-
-    This is a "shortened" version of SeerRepoDefinition that only includes
-    the fields actually sent by Sentry for code review requests.
-    """
-
-    provider: str
-    owner: str
-    name: str
-    external_id: str
-    base_commit_sha: str
-    # Optional in base, overridden in subclasses based on request type
-    organization_id: int | None = None
-    integration_id: str | None = None
-
-
-class SeerCodeReviewRepoForPrReview(SeerCodeReviewRepoDefinition):
-    """
-    Repo definition for PR review requests.
-
-    organization_id and integration_id are optional for PR review requests,
-    though organization_id is typically included.
-    """
-
-    pass  # Inherits optional fields from base
-
-
-class SeerCodeReviewRepoForPrClosed(SeerCodeReviewRepoDefinition):
-    """
-    Repo definition for PR closed requests.
-
-    organization_id and integration_id are required for PR closed requests
-    to support metrics and dashboarding.
-    """
-
-    organization_id: int  # Override to make required
-    integration_id: str  # Override to make required
-
-
-# =============================================================================
-# Code Review Request Models
-# =============================================================================
-
-
-class SeerCodeReviewBaseRequest(BaseModel):
-    repo: SeerRepoDefinition
-    pr_id: int
-    more_readable_repos: list[SeerRepoDefinition] = Field(default_factory=list)
-
-
-class SeerCodeReviewRequest(SeerCodeReviewBaseRequest):
-    bug_prediction_specific_information: BugPredictionSpecificInformation
-    config: SeerCodeReviewConfig | None = None
-
-
-class SeerCodeReviewRequestForPrReview(BaseModel):
-    """Request model for PR review with optional organization_id and integration_id."""
-
-    repo: SeerCodeReviewRepoForPrReview
-    pr_id: int
-    more_readable_repos: list[SeerCodeReviewRepoForPrReview] = Field(default_factory=list)
-    bug_prediction_specific_information: BugPredictionSpecificInformation
-    config: SeerCodeReviewConfig | None = None
-    experiment_enabled: bool = False
-
-
-class SeerCodeReviewRequestForPrClosed(BaseModel):
-    """Request model for PR closed with required organization_id and integration_id."""
-
-    repo: SeerCodeReviewRepoForPrClosed
-    pr_id: int
-    more_readable_repos: list[SeerCodeReviewRepoForPrClosed] = Field(default_factory=list)
-    bug_prediction_specific_information: BugPredictionSpecificInformation
-    config: SeerCodeReviewConfig | None = None
-
-
-class SeerCodeReviewTaskRequest(BaseModel):
-    data: SeerCodeReviewRequest
-    external_owner_id: str
-    request_type: SeerCodeReviewRequestType
-
-
-class SeerCodeReviewTaskRequestForPrReview(BaseModel):
-    """Task request wrapper for PR review."""
-
-    data: SeerCodeReviewRequestForPrReview
-    external_owner_id: str
-    request_type: SeerCodeReviewRequestType
-
-
-class SeerCodeReviewTaskRequestForPrClosed(BaseModel):
-    """Task request wrapper for PR closed."""
-
-    data: SeerCodeReviewRequestForPrClosed
-    external_owner_id: str
-    request_type: SeerCodeReviewRequestType
+# Import shared models from sentry-seer-types package (v1 for Pydantic v1 compatibility)
+from sentry_seer_types.v1.code_review import (
+    BugPredictionSpecificInformation,
+    SeerCodeReviewConfig,
+    SeerCodeReviewFeature,
+    SeerCodeReviewRequestForPrClosed,
+    SeerCodeReviewRequestForPrReview,
+    SeerCodeReviewRequestType,
+    SeerCodeReviewTaskRequestForPrClosed,
+    SeerCodeReviewTaskRequestForPrReview,
+    SeerCodeReviewTrigger,
+)
+
+# Re-export for backward compatibility
+__all__ = [
+    "BugPredictionSpecificInformation",
+    "SeerCodeReviewConfig",
+    "SeerCodeReviewFeature",
+    "SeerCodeReviewRequestForPrClosed",
+    "SeerCodeReviewRequestForPrReview",
+    "SeerCodeReviewRequestType",
+    "SeerCodeReviewTaskRequestForPrClosed",
+    "SeerCodeReviewTaskRequestForPrReview",
+    "SeerCodeReviewTrigger",
+]
+
+
+# Note: The sentry-seer-types package provides dual Pydantic v1/v2 support.
+# We import from v1.code_review since Sentry uses Pydantic v1.