add gemini-05-20 (#233)

Co-authored-by: Olmo Maldonado <[email protected]>

Author: ibolmo

packages/proxy/schema/index.ts

@@ -319,6 +319,8 @@ export const AvailableEndpointTypes: { [name: string]: ModelEndpointType[] } = {
   "publishers/google/models/gemini-2.5-pro-preview-05-06": ["vertex"],
   "publishers/google/models/gemini-2.5-pro-preview-03-25": ["vertex"],
   "publishers/google/models/gemini-2.5-pro-exp-03-25": ["vertex"],
+  "publishers/google/models/gemini-2.5-flash-preview-05-20": ["vertex"],
+  "publishers/google/models/gemini-2.5-flash-preview-04-17": ["vertex"],
   "publishers/google/models/gemini-2.0-flash-thinking-exp-01-21": ["vertex"],
   "publishers/google/models/gemini-2.0-flash": ["vertex"],
   "publishers/google/models/gemini-2.0-flash-001": ["vertex"],

packages/proxy/schema/model_list.json

@@ -1856,7 +1856,7 @@
     "output_cost_per_mil_tokens": 5,
     "parent": "gemini-1.5-pro"
   },
-  "gemini-2.5-flash-preview-04-17": {
+  "gemini-2.5-flash-preview-05-20": {
     "format": "google",
     "flavor": "chat",
     "multimodal": true,
@@ -1865,6 +1865,15 @@
     "displayName": "Gemini 2.5 Flash Preview",
     "experimental": false
   },
+  "gemini-2.5-flash-preview-04-17": {
+    "format": "google",
+    "flavor": "chat",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 0.15,
+    "output_cost_per_mil_tokens": 0.6,
+    "experimental": false,
+    "parent": "gemini-2.5-flash-preview-05-20"
+  },
   "gemini-2.5-pro-preview-05-06": {
     "format": "google",
     "flavor": "chat",
@@ -1890,7 +1899,8 @@
     "input_cost_per_mil_tokens": 1.25,
     "output_cost_per_mil_tokens": 10,
     "displayName": "Gemini 2.5 Pro Experimental",
-    "experimental": true
+    "experimental": true,
+    "parent": "gemini-2.5-pro-preview-05-06"
   },
   "gemini-2.0-flash-exp": {
     "format": "google",
@@ -1925,7 +1935,8 @@
     "input_cost_per_mil_tokens": 1.25,
     "output_cost_per_mil_tokens": 10,
     "experimental": true,
-    "deprecated": true
+    "deprecated": true,
+    "parent": "gemini-2.5-pro-preview-03-25"
   },
   "gemini-exp-1206": {
     "format": "google",
@@ -2725,6 +2736,23 @@
     "displayName": "Gemini 2.5 Pro Experimental",
     "experimental": true
   },
+  "publishers/google/models/gemini-2.5-flash-preview-05-20": {
+    "format": "google",
+    "flavor": "chat",
+    "displayName": "Gemini 2.5 Flash Preview",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 0.15,
+    "output_cost_per_mil_tokens": 0.6
+  },
+  "publishers/google/models/gemini-2.5-flash-preview-04-17": {
+    "format": "google",
+    "flavor": "chat",
+    "displayName": "Gemini 2.5 Flash Preview",
+    "multimodal": true,
+    "input_cost_per_mil_tokens": 0.15,
+    "output_cost_per_mil_tokens": 0.6,
+    "parent": "publishers/google/models/gemini-2.5-flash-preview-05-20"
+  },
   "publishers/google/models/gemini-2.0-flash-thinking-exp-01-21": {
     "format": "google",
     "flavor": "chat",