Pydantic schema prompts fail differently across nine LLM setups
Of 3,997 attempts, fenced JSON was the top failure, and only 48.0% of 681 fenced cases passed after fence removal.
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Of 3,997 attempts, fenced JSON was the top failure, and only 48.0% of 681 fenced cases passed after fence removal.

In one claims workflow, a Clairic pipeline finished in 19.3 seconds and cost 49% less than an all-LLM version.
Swapping option names from 0/1 to no/yes reverses Jev decisions, dropping AUC from 0.94 to 0.23.
A community MLX inference engine evaluates constrained JSON schema fields in parallel on Apple Silicon, reporting 5.6-7.0x latency speedups with guaranteed schema validity.
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