Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
LM Format Enforcer is a Python library that filters tokens allowed by a language model at each timestep to enforce precise output formats like JSON Schema and regular expressions. It integrates with major LLM frameworks including transformers, LangChain, and vLLM, supporting batched generation and beam search.
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github.com shapes more of what AI says about LM Format Enforcer than any other source, at 100% of its citations.