Sep 27, 2026 · Artificial Intelligence

OpenAI API Evolution: Completions to Responses — Why Open Source Still Uses Chat Completions

This article traces OpenAI's API evolution across six generations from Completions to Responses API, explains why the open-source ecosystem remains anchored to Chat Completions despite official advances, compares architectural trade-offs between stateless and stateful paradigms, and provides a practical selection guide for engineers building heterogeneous model gateways or agent systems.

API EvolutionAgent ArchitectureChat Completions

0 likes · 28 min read

OpenAI API Evolution: Completions to Responses — Why Open Source Still Uses Chat Completions

Qborfy AI

Jun 26, 2026 · Artificial Intelligence

Mastering Function Calling: Deep Dive into tools, tool_choice, and parallel_tool_calls for LLMs

This guide explains the three core Function Calling parameters—tools, tool_choice, and parallel_tool_calls—showing how to design tool schemas, control model autonomy, choose parallel execution, and avoid common pitfalls, with concrete Python and JavaScript examples and a cross‑platform comparison.

AI AgentsFunction CallingLLM APIs

0 likes · 18 min read

Mastering Function Calling: Deep Dive into tools, tool_choice, and parallel_tool_calls for LLMs