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Structured Outputs Prevent JSON Parsing Failures
Using the `response_format: {type: 'json_schema'}` parameter (OpenAI) or XML tags with output parsers (Claude) ensures the model always returns valid structured data. This eliminates regex hacks, reduces prompt length, and makes your pipelines far more reliable.
Match Prompt Style to Model
Use model-specific prompting techniques: Claude likes XML, GPT likes markdown, Gemini handles multimodal well.
Specify Output Format
If you need structured output (e.g., JSON, XML, a list), explicitly ask the LLM to provide it in that format. This often yields better and more parsable results. Example: 'Provide your answer as a JSON object with keys 'name' and 'summary'.'
Use XML Tags for Structured Output
When you need structured responses, instruct the model to use XML tags. For example: 'Provide your answer in the following format: <summary>Brief overview</summary> <pros>List of advantages</pros> <cons>List of disadvantages</cons>'
Use Delimiters for Clarity
Use delimiters like triple backticks (```), XML tags (<tag></tag>), or quotes ("") to clearly separate different parts of your prompt, such as instructions, context, examples, and input data.
Claude XML Tags
When using Claude, make use of its XML tags for better structure in your prompts.
Use XML Tags for Structured Output
When you need structured responses, instruct the model to use XML tags. For example: 'Provide your answer in the following format: <summary>Brief overview</summary> <pros>List of advantages</pros> <cons>List of disadvantages</cons>'
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