diff --git a/open-sse/config/providerRegistry.ts b/open-sse/config/providerRegistry.ts
index e9ce05eb69..0309f486a5 100644
--- a/open-sse/config/providerRegistry.ts
+++ b/open-sse/config/providerRegistry.ts
@@ -494,10 +494,10 @@ export const REGISTRY: Record<string, RegistryEntry> = {
       { id: "gpt-5.2", name: "GPT-5.2" },
       { id: "gpt-5.2-codex", name: "GPT-5.2 Codex", targetFormat: "openai-responses" },
       { id: "gpt-5.3-codex", name: "GPT-5.3 Codex", targetFormat: "openai-responses" },
-      { id: "gpt-5.4-nano", name: "GPT-5.4 Nano" },
-      { id: "gpt-5.4-mini", name: "GPT-5.4 Mini" },
-      { id: "gpt-5.4", name: "GPT-5.4" },
-      { id: "gpt-5.5", name: "GPT-5.5" },
+      { id: "gpt-5.4-nano", name: "GPT-5.4 Nano", targetFormat: "openai-responses" },
+      { id: "gpt-5.4-mini", name: "GPT-5.4 Mini", targetFormat: "openai-responses" },
+      { id: "gpt-5.4", name: "GPT-5.4", targetFormat: "openai-responses" },
+      { id: "gpt-5.5", name: "GPT-5.5", ...GPT_5_5_CODEX_CAPABILITIES },
       { id: "claude-haiku-4.5", name: "Claude Haiku 4.5" },
       { id: "claude-sonnet-4.5", name: "Claude Sonnet 4.5" },
       { id: "claude-sonnet-4.6", name: "Claude Sonnet 4.6" },