From 8332f0848aa18d6a7e049b74c8f32e4519ec922e Mon Sep 17 00:00:00 2001
From: "berriai-litellm-provider-info-sync[bot]"
 <328147090+berriai-litellm-provider-info-sync[bot]@users.noreply.github.com>
Date: Tue, 22 Sep 2026 11:29:38 -0700
Subject: [PATCH] chore(prices): sync Google Gemini prices: 13 models (#42500)

gemini/gemini-2.5-flash: cache_read_input_token_cost_batches
gemini/gemini-2.5-flash-lite: cache_read_input_token_cost_batches
gemini/gemini-2.5-pro: cache_read_input_token_cost_batches
gemini/gemini-3-flash-preview: cache_read_input_token_cost_batches
gemini/gemini-3.1-flash-lite: cache_read_input_token_cost_batches
gemini/gemini-3.1-pro-preview: cache_read_input_token_cost_batches
gemini/gemini-3.1-pro-preview-customtools: cache_read_input_token_cost_batches
gemini/gemini-3.5-flash: cache_read_input_token_cost_batches
gemini/gemini-3.5-flash-lite: cache_read_input_token_cost_batches
gemini/gemini-3.6-flash: cache_read_input_token_cost_batches
gemini/gemini-3.7-flash: cache_read_input_token_cost_batches
gemini/gemini-3.8-flash: cache_read_input_token_cost_batches
gemini/gemini-robotics-er-2-preview: cache_read_input_token_cost_batches

Co-authored-by: berriai-litellm-provider-info-sync[bot] <328147090+berriai-litellm-provider-info-sync[bot]@users.noreply.github.com>
---
 litellm/model_prices_and_context_window_backup.json | 13 +++++++++++++
 model_prices_and_context_window.json                | 13 +++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 8d68e325198..589c4099bd7 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -28389,6 +28389,7 @@
     },
     "gemini/gemini-robotics-er-2-preview": {
         "cache_read_input_token_cost": 1e-07,
+        "cache_read_input_token_cost_batches": 5e-08,
         "input_cost_per_audio_token": 2e-06,
         "input_cost_per_token": 1e-06,
         "input_cost_per_token_batches": 5e-07,
@@ -28794,6 +28795,7 @@
     "gemini/gemini-2.5-flash": {
         "cache_read_input_audio_token_cost": 1e-07,
         "cache_read_input_token_cost": 3e-08,
+        "cache_read_input_token_cost_batches": 3e-08,
         "cache_read_input_token_cost_flex": 3e-08,
         "cache_read_input_token_cost_priority": 5.4e-08,
         "input_cost_per_audio_token": 1e-06,
@@ -29205,6 +29207,7 @@
     "gemini/gemini-2.5-flash-lite": {
         "cache_read_input_audio_token_cost": 3e-08,
         "cache_read_input_token_cost": 1e-08,
+        "cache_read_input_token_cost_batches": 1e-08,
         "cache_read_input_token_cost_flex": 1e-08,
         "cache_read_input_token_cost_priority": 1.8e-08,
         "input_cost_per_audio_token": 3e-07,
@@ -29550,6 +29553,7 @@
         "cache_read_input_token_cost": 1.25e-07,
         "cache_read_input_token_cost_above_200k_tokens": 2.5e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 4.5e-07,
+        "cache_read_input_token_cost_batches": 1.25e-07,
         "cache_read_input_token_cost_flex": 1.25e-07,
         "cache_read_input_token_cost_priority": 2.25e-07,
         "input_cost_per_token": 1.25e-06,
@@ -29745,6 +29749,7 @@
     "gemini/gemini-3.1-flash-lite": {
         "cache_read_input_audio_token_cost": 5e-08,
         "cache_read_input_token_cost": 2.5e-08,
+        "cache_read_input_token_cost_batches": 1.25e-08,
         "cache_read_input_token_cost_flex": 1.25e-08,
         "cache_read_input_token_cost_priority": 4.5e-08,
         "deprecation_date": "2027-05-07",
@@ -29806,6 +29811,7 @@
     },
     "gemini/gemini-3.5-flash-lite": {
         "cache_read_input_token_cost": 3e-08,
+        "cache_read_input_token_cost_batches": 2e-08,
         "cache_read_input_token_cost_flex": 2e-08,
         "cache_read_input_token_cost_priority": 5e-08,
         "input_cost_per_token": 3e-07,
@@ -29865,6 +29871,7 @@
     "gemini/gemini-3-flash-preview": {
         "cache_read_input_audio_token_cost": 1e-07,
         "cache_read_input_token_cost": 5e-08,
+        "cache_read_input_token_cost_batches": 5e-08,
         "cache_read_input_token_cost_flex": 5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 5e-07,
@@ -29926,6 +29933,7 @@
     "gemini/gemini-3.5-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 1.5e-07,
+        "cache_read_input_token_cost_batches": 7.5e-08,
         "input_cost_per_audio_token": 1.5e-06,
         "input_cost_per_token": 1.5e-06,
         "litellm_provider": "gemini",
@@ -29987,6 +29995,7 @@
     "gemini/gemini-3.6-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30046,6 +30055,7 @@
     "gemini/gemini-3.7-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30106,6 +30116,7 @@
     "gemini/gemini-3.8-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30248,6 +30259,7 @@
         "output_cost_per_token_above_200k_tokens_priority": 3.24e-05,
         "cache_read_input_token_cost_priority": 3.6e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 7.2e-07,
+        "cache_read_input_token_cost_batches": 2e-07,
         "cache_read_input_token_cost_flex": 2e-07,
         "search_context_cost_per_query": {
             "search_context_size_low": 0.014,
@@ -30310,6 +30322,7 @@
         "output_cost_per_token_above_200k_tokens_priority": 3.24e-05,
         "cache_read_input_token_cost_priority": 3.6e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 7.2e-07,
+        "cache_read_input_token_cost_batches": 2e-07,
         "cache_read_input_token_cost_flex": 2e-07,
         "search_context_cost_per_query": {
             "search_context_size_low": 0.014,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 8d68e325198..589c4099bd7 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -28389,6 +28389,7 @@
     },
     "gemini/gemini-robotics-er-2-preview": {
         "cache_read_input_token_cost": 1e-07,
+        "cache_read_input_token_cost_batches": 5e-08,
         "input_cost_per_audio_token": 2e-06,
         "input_cost_per_token": 1e-06,
         "input_cost_per_token_batches": 5e-07,
@@ -28794,6 +28795,7 @@
     "gemini/gemini-2.5-flash": {
         "cache_read_input_audio_token_cost": 1e-07,
         "cache_read_input_token_cost": 3e-08,
+        "cache_read_input_token_cost_batches": 3e-08,
         "cache_read_input_token_cost_flex": 3e-08,
         "cache_read_input_token_cost_priority": 5.4e-08,
         "input_cost_per_audio_token": 1e-06,
@@ -29205,6 +29207,7 @@
     "gemini/gemini-2.5-flash-lite": {
         "cache_read_input_audio_token_cost": 3e-08,
         "cache_read_input_token_cost": 1e-08,
+        "cache_read_input_token_cost_batches": 1e-08,
         "cache_read_input_token_cost_flex": 1e-08,
         "cache_read_input_token_cost_priority": 1.8e-08,
         "input_cost_per_audio_token": 3e-07,
@@ -29550,6 +29553,7 @@
         "cache_read_input_token_cost": 1.25e-07,
         "cache_read_input_token_cost_above_200k_tokens": 2.5e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 4.5e-07,
+        "cache_read_input_token_cost_batches": 1.25e-07,
         "cache_read_input_token_cost_flex": 1.25e-07,
         "cache_read_input_token_cost_priority": 2.25e-07,
         "input_cost_per_token": 1.25e-06,
@@ -29745,6 +29749,7 @@
     "gemini/gemini-3.1-flash-lite": {
         "cache_read_input_audio_token_cost": 5e-08,
         "cache_read_input_token_cost": 2.5e-08,
+        "cache_read_input_token_cost_batches": 1.25e-08,
         "cache_read_input_token_cost_flex": 1.25e-08,
         "cache_read_input_token_cost_priority": 4.5e-08,
         "deprecation_date": "2027-05-07",
@@ -29806,6 +29811,7 @@
     },
     "gemini/gemini-3.5-flash-lite": {
         "cache_read_input_token_cost": 3e-08,
+        "cache_read_input_token_cost_batches": 2e-08,
         "cache_read_input_token_cost_flex": 2e-08,
         "cache_read_input_token_cost_priority": 5e-08,
         "input_cost_per_token": 3e-07,
@@ -29865,6 +29871,7 @@
     "gemini/gemini-3-flash-preview": {
         "cache_read_input_audio_token_cost": 1e-07,
         "cache_read_input_token_cost": 5e-08,
+        "cache_read_input_token_cost_batches": 5e-08,
         "cache_read_input_token_cost_flex": 5e-08,
         "input_cost_per_audio_token": 1e-06,
         "input_cost_per_token": 5e-07,
@@ -29926,6 +29933,7 @@
     "gemini/gemini-3.5-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 1.5e-07,
+        "cache_read_input_token_cost_batches": 7.5e-08,
         "input_cost_per_audio_token": 1.5e-06,
         "input_cost_per_token": 1.5e-06,
         "litellm_provider": "gemini",
@@ -29987,6 +29995,7 @@
     "gemini/gemini-3.6-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30046,6 +30055,7 @@
     "gemini/gemini-3.7-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30106,6 +30116,7 @@
     "gemini/gemini-3.8-flash": {
         "prompt_cache_min_tokens": 4096,
         "cache_read_input_token_cost": 7.5e-08,
+        "cache_read_input_token_cost_batches": 3.75e-08,
         "cache_read_input_token_cost_flex": 3.75e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_batches": 3.75e-07,
@@ -30248,6 +30259,7 @@
         "output_cost_per_token_above_200k_tokens_priority": 3.24e-05,
         "cache_read_input_token_cost_priority": 3.6e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 7.2e-07,
+        "cache_read_input_token_cost_batches": 2e-07,
         "cache_read_input_token_cost_flex": 2e-07,
         "search_context_cost_per_query": {
             "search_context_size_low": 0.014,
@@ -30310,6 +30322,7 @@
         "output_cost_per_token_above_200k_tokens_priority": 3.24e-05,
         "cache_read_input_token_cost_priority": 3.6e-07,
         "cache_read_input_token_cost_above_200k_tokens_priority": 7.2e-07,
+        "cache_read_input_token_cost_batches": 2e-07,
         "cache_read_input_token_cost_flex": 2e-07,
         "search_context_cost_per_query": {
             "search_context_size_low": 0.014,