diff --git a/internal/registry/model_definitions_static_data.go b/internal/registry/model_definitions_static_data.go
index 120bbac7..39b2aa0c 100644
--- a/internal/registry/model_definitions_static_data.go
+++ b/internal/registry/model_definitions_static_data.go
@@ -745,11 +745,11 @@ func GetOpenAIModels() []*ModelInfo {
 		{
 			ID:                  "gpt-5.3-codex-spark",
 			Object:              "model",
-			Created:             1770307200,
+			Created:             1770912000,
 			OwnedBy:             "openai",
 			Type:                "openai",
 			Version:             "gpt-5.3",
-DisplayName:         "GPT 5.3 Codex Spark",
+			DisplayName:         "GPT 5.3 Codex Spark",
 			Description:         "Ultra-fast coding model.",
 			ContextLength:       128000,
 			MaxCompletionTokens: 128000,
diff --git a/internal/runtime/executor/codex_executor.go b/internal/runtime/executor/codex_executor.go
index d74cc685..728e7cb7 100644
--- a/internal/runtime/executor/codex_executor.go
+++ b/internal/runtime/executor/codex_executor.go
@@ -28,8 +28,8 @@ import (
 )
 
 const (
-	codexClientVersion = "0.98.0"
-	codexUserAgent     = "codex_cli_rs/0.98.0 (Mac OS 26.0.1; arm64) Apple_Terminal/464"
+	codexClientVersion = "0.101.0"
+	codexUserAgent     = "codex_cli_rs/0.101.0 (Mac OS 26.0.1; arm64) Apple_Terminal/464"
 )
 
 var dataTag = []byte("data:")