diff --git a/roles/custom/matrix-bot-baibot/defaults/main.yml b/roles/custom/matrix-bot-baibot/defaults/main.yml
index e46882f9b..b8cab0f2f 100644
--- a/roles/custom/matrix-bot-baibot/defaults/main.yml
+++ b/roles/custom/matrix-bot-baibot/defaults/main.yml
@@ -204,8 +204,8 @@ matrix_bot_baibot_config_agents_static_definitions_anthropic_config_base_url: ht
 matrix_bot_baibot_config_agents_static_definitions_anthropic_config_api_key: ""
 
 matrix_bot_baibot_config_agents_static_definitions_anthropic_config_text_generation_enabled: true
-# For valid model choices, see: https://platform.anthropic.com/docs/models
-matrix_bot_baibot_config_agents_static_definitions_anthropic_config_text_generation_model_id: claude-3-7-sonnet-20250219
+# For valid model choices, see: https://docs.claude.com/en/docs/about-claude/models/overview
+matrix_bot_baibot_config_agents_static_definitions_anthropic_config_text_generation_model_id: claude-sonnet-4-5-20250929
 # The prompt text to use (can be null or empty to not use a prompt).
 # See: https://huggingface.co/docs/transformers/en/tasks/prompting
 matrix_bot_baibot_config_agents_static_definitions_anthropic_config_text_generation_prompt: "{{ matrix_bot_baibot_config_agents_static_definitions_prompt }}"