From 813823995c07bf23606d56a1a44d6e820e3d74a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Kr=C3=BCger?= <valknar@pivoine.art>
Date: Tue, 11 Nov 2025 12:22:27 +0100
Subject: [PATCH] fix: disable prompt caching for claude-sonnet-4.5
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Explicitly set drop_params and supports_prompt_caching=false for
claude-sonnet-4.5 model to prevent prompt_cache_key parameter from
being sent to Anthropic API.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 ai/litellm-config.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ai/litellm-config.yaml b/ai/litellm-config.yaml
index f5dc31e..55caa58 100644
--- a/ai/litellm-config.yaml
+++ b/ai/litellm-config.yaml
@@ -8,6 +8,8 @@ model_list:
     litellm_params:
       model: anthropic/claude-sonnet-4-5-20250929
       api_key: os.environ/ANTHROPIC_API_KEY
+      drop_params: true
+      supports_prompt_caching: false
 
   - model_name: claude-3-5-sonnet
     litellm_params: