Every THE D[AI]LY BRIEF article on structured outputs — enterprise AI analysis, benchmarks, vendor comparisons, and ROI frameworks for technology and business leaders. Updated as new coverage publishes.
Strict JSON modes guarantee the payload's shape and nothing about its values. What separates the engines is what they do with a schema keyword they can't enforce: Claude's API and llguidance reject it, while XGrammar and llama.cpp can let it through.
October 14, 2026 · 14 min read
Decision models such as Jev cost about 25x less per call than Claude Haiku 4.5 at list price, but trail LLMs on accuracy until you add labels and a calibration fit. Fine-tune if you have labels; cascade Jev into an LLM if you don't.
October 7, 2026 · 15 min read
Claude Opus 5.5 cuts per-token prices 20% and cache reads 60%, but forced tool_choice and disabled thinking now return HTTP 400, the default effort drops to medium, and the 40% saving compares different effort levels.
September 22, 2026 · 11 min read