diff --git a/.castiron.stats.yml b/.castiron.stats.yml
index 5837be57a6..006b022221 100644
--- a/.castiron.stats.yml
+++ b/.castiron.stats.yml
@@ -1,8 +1,8 @@
 schema_version: 1
-generation_id: 333859af-62cd-49b7-9d68-fdc65b83bcef
-openapi_spec_hash: 190a5881eaed8f8bfed8eac62c68302a
-openapi_transformed_spec_hash: 1e89b4f0b784ea36e6aa81a6622b35ae
+generation_id: 0aa9ce13-d80a-4a74-a5a3-a64c06d396bd
+openapi_spec_hash: ef23be781aae82cc4aaf121dc1e23c90
+openapi_transformed_spec_hash: 6c58c6858bf78f94b91d1095df3b4523
 config_hash: 38c35bf82be025557d8a7dc727060f2f
-codegen_sha: d59ac118482823565bbdca847051357ed3e4f6e1
-codegen_hash: 210a69f518d2f337946ef9339996d6d741400fee9d80e2e009fec34efeeff626
-public_codegen_sha: d91884e54ca755e5851b5f8cd7fa91b1c39121ab
+codegen_sha: 696f896d9c4820f2118a6b7bd3cba58172677ec1
+codegen_hash: f34dc0b8de3f49538501f94020eae54bbeaf5d813f0af4d4c4d03236d83d57e2
+public_codegen_sha: 20af1d8d59806c56dd7e866ae4cc018d92768a9e
diff --git a/api_reference/openapi.transformed.yml b/api_reference/openapi.transformed.yml
index 761b694419..73540a551f 100644
--- a/api_reference/openapi.transformed.yml
+++ b/api_reference/openapi.transformed.yml
@@ -101337,6 +101337,7 @@ components:
       type: string
       enum:
       - gpt-6-astra
+      - gpt-6.1-sol
       - gpt-6-sol
       - gpt-6-luna
       - gpt-5.6-sol
diff --git a/src/openai/resources/beta/responses/responses.py b/src/openai/resources/beta/responses/responses.py
index 5e8cbf3782..bfe414eb07 100644
--- a/src/openai/resources/beta/responses/responses.py
+++ b/src/openai/resources/beta/responses/responses.py
@@ -125,6 +125,7 @@ def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -535,6 +536,7 @@ def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -944,6 +946,7 @@ def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -1351,6 +1354,7 @@ def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -1839,6 +1843,7 @@ def compact(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -2138,6 +2143,7 @@ async def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -2548,6 +2554,7 @@ async def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -2957,6 +2964,7 @@ async def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -3364,6 +3372,7 @@ async def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -3852,6 +3861,7 @@ async def compact(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -5231,6 +5241,7 @@ def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -5487,6 +5498,7 @@ async def create(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
diff --git a/src/openai/resources/responses/responses.py b/src/openai/resources/responses/responses.py
index 7760ae943a..dc428a61ba 100644
--- a/src/openai/resources/responses/responses.py
+++ b/src/openai/resources/responses/responses.py
@@ -1765,6 +1765,7 @@ def compact(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
@@ -3672,6 +3673,7 @@ async def compact(
         model: Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
diff --git a/src/openai/types/beta/beta_response.py b/src/openai/types/beta/beta_response.py
index cd2514f847..b922f7e678 100644
--- a/src/openai/types/beta/beta_response.py
+++ b/src/openai/types/beta/beta_response.py
@@ -349,6 +349,7 @@ class BetaResponse(BaseModel):
     model: Union[
         Literal[
             "gpt-6-astra",
+            "gpt-6.1-sol",
             "gpt-6-sol",
             "gpt-6-luna",
             "gpt-5.6-sol",
diff --git a/src/openai/types/beta/beta_responses_client_event.py b/src/openai/types/beta/beta_responses_client_event.py
index 062ed280e5..55dae5c626 100644
--- a/src/openai/types/beta/beta_responses_client_event.py
+++ b/src/openai/types/beta/beta_responses_client_event.py
@@ -351,6 +351,7 @@ class ResponseCreate(BaseModel):
     model: Union[
         Literal[
             "gpt-6-astra",
+            "gpt-6.1-sol",
             "gpt-6-sol",
             "gpt-6-luna",
             "gpt-5.6-sol",
diff --git a/src/openai/types/beta/beta_responses_client_event_param.py b/src/openai/types/beta/beta_responses_client_event_param.py
index e8759755fb..a54d7475d6 100644
--- a/src/openai/types/beta/beta_responses_client_event_param.py
+++ b/src/openai/types/beta/beta_responses_client_event_param.py
@@ -351,6 +351,7 @@ class ResponseCreate(TypedDict, total=False):
     model: Union[
         Literal[
             "gpt-6-astra",
+            "gpt-6.1-sol",
             "gpt-6-sol",
             "gpt-6-luna",
             "gpt-5.6-sol",
diff --git a/src/openai/types/beta/response_compact_params.py b/src/openai/types/beta/response_compact_params.py
index 583efef3be..3f64e5e9d2 100644
--- a/src/openai/types/beta/response_compact_params.py
+++ b/src/openai/types/beta/response_compact_params.py
@@ -16,6 +16,7 @@ class ResponseCompactParams(TypedDict, total=False):
         Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
diff --git a/src/openai/types/beta/response_create_params.py b/src/openai/types/beta/response_create_params.py
index 4247167a4b..ab9f9725fd 100644
--- a/src/openai/types/beta/response_create_params.py
+++ b/src/openai/types/beta/response_create_params.py
@@ -133,6 +133,7 @@ class ResponseCreateParamsBase(TypedDict, total=False):
     model: Union[
         Literal[
             "gpt-6-astra",
+            "gpt-6.1-sol",
             "gpt-6-sol",
             "gpt-6-luna",
             "gpt-5.6-sol",
diff --git a/src/openai/types/responses/response_compact_params.py b/src/openai/types/responses/response_compact_params.py
index 8fccf637c6..59fbf86062 100644
--- a/src/openai/types/responses/response_compact_params.py
+++ b/src/openai/types/responses/response_compact_params.py
@@ -15,6 +15,7 @@ class ResponseCompactParams(TypedDict, total=False):
         Union[
             Literal[
                 "gpt-6-astra",
+                "gpt-6.1-sol",
                 "gpt-6-sol",
                 "gpt-6-luna",
                 "gpt-5.6-sol",
diff --git a/src/openai/types/shared/chat_model.py b/src/openai/types/shared/chat_model.py
index dac8f9e940..5e67238b56 100644
--- a/src/openai/types/shared/chat_model.py
+++ b/src/openai/types/shared/chat_model.py
@@ -6,6 +6,7 @@
 
 ChatModel: TypeAlias = Literal[
     "gpt-6-astra",
+    "gpt-6.1-sol",
     "gpt-6-sol",
     "gpt-6-luna",
     "gpt-5.6-sol",
diff --git a/src/openai/types/shared_params/chat_model.py b/src/openai/types/shared_params/chat_model.py
index 5f97eeb351..ddfb5d1717 100644
--- a/src/openai/types/shared_params/chat_model.py
+++ b/src/openai/types/shared_params/chat_model.py
@@ -8,6 +8,7 @@
 
 ChatModel: TypeAlias = Literal[
     "gpt-6-astra",
+    "gpt-6.1-sol",
     "gpt-6-sol",
     "gpt-6-luna",
     "gpt-5.6-sol",