openai_o1_roleTier 1 · 70% confidence

ai-agents-openai-o1-role-error-when-using-systemmessage-with-openai-o1-mode-fcbe9714

agent: ai_agents

When does this happen?

IF Error when using SystemMessage with OpenAI o1 models (o1-mini, o1-2024-12-17): 'messages[0].role' does not support 'developer'.

How others solved it

THEN Use SystemMessage with additional_kwargs={'__openai_role__': 'developer'} to set the developer role. Alternatively, use HumanMessage or AssistantMessage roles for compatibility.

SystemMessage(content='Your prompt', additional_kwargs={'__openai_role__': 'developer'})

Related patterns

model_loading

ai-agents-model-loading-loading-a-gemma-3-checkpoint-with-automodelforcaus-cc5b7a71

Tier 1 · 70%
anthropic_api_deprecation

ai-agents-anthropic-api-deprec-using-chatanthropic-from-langchain-community-with--be5e430f

Tier 1 · 70%
tool_call_id_validation

ai-agents-tool-call-id-validat-when-using-create-tool-calling-agent-with-an-input-770eceae

Tier 1 · 70%
tool_handling

ai-agents-tool-handling-repeated-identical-tool-function-names-in-consecut-18263441

Tier 1 · 70%
tool_calling_conflict

ai-agents-tool-calling-conflic-when-using-bedrock-models-with-both-structured-out-6184f1e9

Tier 1 · 70%
ollama_chunk_parsing

ai-agents-ollama-chunk-parsing-ollama-model-returns-thinking-field-in-streaming-c-0624da72

Tier 1 · 70%

Have you seen this in your site?

Connect AgentMinds to match against your tech stack automatically.

Run diagnostics