[BUG]: Could not respond to message. The agent model failed to respond: 400 The `reasoning_content` in the thinking mode must be passed back to the API.

Author: attutudeCreated Sep 17, 2026Updated Sep 17, 2026
Labelspossible bug

How are you running AnythingLLM?

AnythingLLM desktop app

What happened?

An error occurred during the PPT generation process.

Could not respond to message. The agent model failed to respond: 400 The reasoning_content in the thinking mode must be passed back to the API.

Are there known steps to reproduce?

An error occurred during the PPT generation process.

Could not respond to message. The agent model failed to respond: 400 The reasoning_content in the thinking mode must be passed back to the API.

LLM Provider & Model (if applicable)

DeepSeek/deepseek-flash

Embedder Provider & Model (if applicable)

all-MiniLM-L6-v2 A lightweight and fast model for embedding text. The default model for AnythingLLM.

Source: Mintplex-Labs/anything-llm