OpenAI

Pioneering the GPT paradigm and reasoning-first architectures.

2025-12-11

GPT-5.2

Thinking / Pro
Specs: Multi-Variant

Latest GPT series model with instant, thinking, and Pro reasoning variants.

2025-10

ChatGPT Atlas

Agentic Browser
Specs: Integrated Desktop Agent

Direct OS-level integration for autonomous browsing and task automation.

2025-09

GPT-5 (Discovery)

Frontier / Reasoning
Specs: Mathematical Breakthrough

Solved a 40-year-old open mathematical problem.

2025-04

OpenAI Agents SDK

Framework
Specs: Agents/Handoffs/Guardrails

Official developer framework for building multi-agent systems with minimal abstraction.

2025-01

Operator

Agentic
Specs: Computer-Using Agent (CUA)

Autonomous browser/computer control for completing web-based tasks.

2024-09-12

o1-preview

Reasoning
Specs: Reasoning Models

Reasoning-focused model family designed to spend more compute on hard problems.

2024-07

GPT-4o mini

Multimodal
Specs: Efficiency / Low Cost

Cost-efficient small omni model optimized for high-throughput applications.

2024-05

GPT-4o

Omni
Specs: End-to-End Audio/Vision

Native multimodal reasoning capabilities with real-time audio/voice.

2024-01

GPT-4 Turbo

Multimodal
Specs: 128k Context

Enhanced GPT-4 companion with 128K context and updated knowledge cutoff.

2023-11

Whisper v3

Speech
Specs: Multilingual

SOTA multilingual speech-to-text transcription and translation.

2023-09

GPT-4V

Vision
Specs: Visual Reasoning

Vision-capable GPT-4 variant enabling image-to-text and spatial analysis.

2023-03

GPT-4

Multimodal
Specs: MoE (Est. 1.8T)

Significant leap in reasoning, coding, and reliability. Multimodal Input.

2023-02

Sora

Video
Specs: ~60s clips

Early text-to-video model generating high-fidelity cinematic clips.

2022-11

ChatGPT (GPT-3.5)

Chat / RLHF
Specs: Unknown

Conversational LLM that spurred mass adoption.

2021-08

Codex

Code
Specs: GPT-3 Variant

Code-generation specialization, powering GitHub Copilot.

2020-06

GPT-3

LLM (Text)
Specs: 175B Params

Breakthrough transformer LLM driving modern NLP; 175B parameters.