From dcfd25e1f1e5a7707ac54fcc168b64ed0d732493 Mon Sep 17 00:00:00 2001
From: David Velarde <davidvpe@gmail.com>
Date: Sat, 28 Feb 2026 10:56:38 +0100
Subject: [PATCH 1/2] [Feature] Add Gemini 3.1 Flash Image Preview pricing
 details

---
 model_prices_and_context_window.json | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index f52288ea72..5a43447e2c 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -16421,6 +16421,39 @@
         "supports_vision": true,
         "supports_web_search": true
     },
+    "gemini/gemini-3.1-flash-image-preview": {
+        "input_cost_per_image": 0.0001375,
+        "input_cost_per_token": 2.5e-07,
+        "litellm_provider": "gemini",
+        "max_input_tokens": 65536,
+        "max_output_tokens": 32768,
+        "max_tokens": 32768,
+        "mode": "image_generation",
+        "output_cost_per_image": 0.045,
+        "output_cost_per_image_token": 6e-05,
+        "output_cost_per_token": 1.5e-06,
+        "rpm": 1000,
+        "tpm": 4000000,
+        "source": "https://ai.google.dev/gemini-api/docs/pricing#gemini-3.1-flash-image-preview",
+        "supported_endpoints": [
+            "/v1/chat/completions",
+            "/v1/completions"
+        ],
+        "supported_modalities": [
+            "text",
+            "image"
+        ],
+        "supported_output_modalities": [
+            "text",
+            "image"
+        ],
+        "supports_function_calling": false,
+        "supports_prompt_caching": true,
+        "supports_response_schema": true,
+        "supports_system_messages": true,
+        "supports_vision": true,
+        "supports_web_search": true
+    },
     "gemini/deep-research-pro-preview-12-2025": {
         "input_cost_per_image": 0.0011,
         "input_cost_per_token": 2e-06,

From 29d1d0479f3ef7d897fbd7cb707b0744f727101b Mon Sep 17 00:00:00 2001
From: David Velarde <davidvpe@gmail.com>
Date: Sat, 28 Feb 2026 11:09:38 +0100
Subject: [PATCH 2/2] [Feature] Add Gemini 3.1 Flash Image Preview input and
 output cost details

---
 model_prices_and_context_window.json | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 5a43447e2c..f785fbbbb6 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -16422,8 +16422,8 @@
         "supports_web_search": true
     },
     "gemini/gemini-3.1-flash-image-preview": {
-        "input_cost_per_image": 0.0001375,
         "input_cost_per_token": 2.5e-07,
+        "input_cost_per_token_batches": 1.25e-07,
         "litellm_provider": "gemini",
         "max_input_tokens": 65536,
         "max_output_tokens": 32768,
@@ -16431,13 +16431,16 @@
         "mode": "image_generation",
         "output_cost_per_image": 0.045,
         "output_cost_per_image_token": 6e-05,
+        "output_cost_per_image_token_batches": 3e-05,
         "output_cost_per_token": 1.5e-06,
+        "output_cost_per_token_batches": 7.5e-07,
         "rpm": 1000,
         "tpm": 4000000,
         "source": "https://ai.google.dev/gemini-api/docs/pricing#gemini-3.1-flash-image-preview",
         "supported_endpoints": [
             "/v1/chat/completions",
-            "/v1/completions"
+            "/v1/completions",
+            "/v1/batch"
         ],
         "supported_modalities": [
             "text",