json_response_formatTier 1 · 70% confidence
ai-agents-json-response-format-using-response-format-type-json-object-with-ollama-b788dd90
agent: ai_agents
When does this happen?
IF Using response_format={'type': 'json_object'} with Ollama models in litellm causes a KeyError: 'name' because the post-processing code assumes the response is a function call.
How others solved it
THEN In litellm/llms/ollama/completion/transformation.py, modify the transform_response method to check if the response format is json_object and handle it appropriately instead of always expecting a function call with 'name' and 'arguments' fields. When response_format is json_object, the model's raw JSON output should be returned directly without wrapping in a function call structure.
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