Discussion: How to Make LLMs Reliably Generate Standardized Data Charts
lachesistical · reddit · 2026-08-07
A developer initiated a discussion on Reddit exploring how to build AI agents that reliably generate data charts. The author noted that having LLMs directly write Python plotting code often leads to "hallucinations," such as uncontrolled axis labels or chart types.
Solutions mentioned include:
- Microsoft Flint-chart: A newly open-sourced Microsoft library designed to provide stricter rule constraints.
- Code Constraints: Using strict system prompts and boundary rules to limit the plotting parameters the LLM can generate.
- Structured Data Passing: Having the LLM extract structured data (e.g., JSON) and passing it to a fixed external script for rendering, completely separating logic from presentation.
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