diff --git a/internal/providers/configs/openai.json b/internal/providers/configs/openai.json
index 2ea0a18bef820a0cc3e5eea83b43a3c7714f3f23..2cbdd244dac339fa1cc5c8a57056f3a1cbf356d5 100644
--- a/internal/providers/configs/openai.json
+++ b/internal/providers/configs/openai.json
@@ -35,6 +35,42 @@
       "default_reasoning_effort": "medium",
       "supports_attachments": true
     },
+    {
+      "id": "gpt-5",
+      "name": "GPT-5",
+      "cost_per_1m_in": 1.25,
+      "cost_per_1m_out": 10,
+      "cost_per_1m_in_cached": 0.25,
+      "cost_per_1m_out_cached": 0.25,
+      "context_window": 400000,
+      "default_max_tokens": 128000,
+      "can_reason": false,
+      "supports_attachments": true
+    },
+    {
+      "id": "gpt-5-mini",
+      "name": "GPT-5 Mini",
+      "cost_per_1m_in": 0.25,
+      "cost_per_1m_out": 2,
+      "cost_per_1m_in_cached": 0.025,
+      "cost_per_1m_out_cached": 0.025,
+      "context_window": 400000,
+      "default_max_tokens": 128000,
+      "can_reason": true,
+      "supports_attachments": true
+    },
+    {
+      "id": "gpt-5-nano",
+      "name": "GPT-5 Nano",
+      "cost_per_1m_in": 0.05,
+      "cost_per_1m_out": 0.4,
+      "cost_per_1m_in_cached": 0.005,
+      "cost_per_1m_out_cached": 0.005,
+      "context_window": 400000,
+      "default_max_tokens": 128000,
+      "can_reason": true,
+      "supports_attachments": true
+    },
     {
       "id": "gpt-4.1",
       "name": "GPT-4.1",