OpenAI Models

Overview of OpenAI’s latest models with positioning, multimodal capabilities, and practical guidance.

Latest: GPT‑4.1

GPT‑4.1 delivers advanced reasoning with strong tool use and reliable JSON/function‑calling. It is well suited for production assistants, coding workflows, and structured integrations.

Strengths

  • Strong reasoning and planning
  • Reliable JSON/function calling
  • Robust coding and refactoring

Best For

  • Enterprise assistants
  • Automation with tools
  • Code generation pipelines

Model Lineup

GPT‑4.1

Latest reasoning‑centric tier with reliable tool use.

GPT‑4o

Multimodal model with native vision/audio for real‑time experiences.

GPT‑4o mini

Latency‑optimized, cost‑efficient multimodal tier.

Practical Guidance

  • Use function schemas and strict JSON mode for deterministic tool calls.
  • For real‑time multimodal tasks, prefer GPT‑4o and stream responses.
  • Set token caps, retries, and fallbacks for long workflows.