feat(google-gemini): update model YAMLs [bot]

providers/google-gemini/gemini-2.5-flash-preview-tts.yaml

@@ -1,8 +1,8 @@
 costs:
     - input_cost_per_token: 5e-7
       input_cost_per_token_batches: 2.5e-7
-      output_cost_per_audio_token: 0.00001
-      output_cost_per_token_batches: 0.000005
+      output_cost_per_audio_token: 1e-5
+      output_cost_per_token_batches: 5e-6
       region: "*"
 limits:
     context_window: 8192

providers/google-gemini/gemini-3-pro-image-preview.yaml

@@ -1,16 +1,17 @@
 costs:
     - input_cost_per_image: 0.0011
-      input_cost_per_token: 0.000002
-      input_cost_per_token_batches: 0.000001
+      input_cost_per_token: 2e-6
+      input_cost_per_token_batches: 1e-6
       output_cost_per_image_1k: 0.134
       output_cost_per_image_2k: 0.134
       output_cost_per_image_4k: 0.24
-      output_cost_per_token: 0.000012
-      output_cost_per_token_batches: 0.000006
+      output_cost_per_token: 1.2e-5
+      output_cost_per_token_batches: 6e-6
       region: "*"
 features:
     - system_messages
     - structured_output
+isDeprecated: true
 limits:
     context_window: 65536
     max_input_tokens: 65536
@@ -35,7 +36,7 @@ retirementDate: "2026-06-25"
 sources:
     - https://ai.google.dev/gemini-api/docs/image-generation
     - https://ai.google.dev/gemini-api/docs/models/gemini-3-pro-image
-status: preview
+status: retired
 supportedModes:
     - image
 thinking: true

providers/google-gemini/gemini-3.1-pro-preview-customtools.yaml

@@ -53,6 +53,13 @@ params:
       type: string
     - defaultValue: null
       key: thinking
+    - defaultValue: high
+      key: reasoning_effort
+      supportedValues:
+          - low
+          - medium
+          - high
+      type: string
 provisioning: serverless
 sources:
     - https://ai.google.dev/gemini-api/docs/models/gemini-3.1-pro-preview