Your LLM returns JSON that crashes json.loads about 1 time in 20. Here is how to handle it
This story is from 2026-10-15. It is preserved in the archive; the latest stories are on the live feed.
If you call an LLM and ask for JSON, it works in the demo and then fails in production at the worst moment. The usual culprits are a markdown code fence around the JSON, a sentence before it ("Sure! Here is the JSON:"), or a trailing comma. Here is a small, step-by-step way to deal with all three i…
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- 2026-10-15 22:38 · DEV Community — AI
Your LLM returns JSON that crashes json.loads about 1 time in 20. Here is how to handle it