Agents

Apr 2, 2026 LLM Engineering 34 min read

LLM Engineering (7): Function Calling and Tool Use

JSON-mode vs function-mode vs free-form, parallel tool calls, structured-output guarantees with grammars, error recovery patterns, and the agent loops that survive contact with reality.

Nov 25, 2025 NLP 36 min read

NLP (12): Frontiers and Practical Applications

Series finale: agents and tool use (Function Calling, ReAct), code generation (Code Llama, Codex), long-context attention (Longformer, Infini-attention), reasoning models (o1, R1), safety and alignment, evaluation, and …