OpenAI

OpenAI o-series

The OpenAI o-series is a family of large language models developed by OpenAI that are trained with reinforcement learning to reason through an internal...

Artificial IntelligenceLarge Language Models

OpenAI o1

OpenAI Codename September 12, 2024 (o1-preview, o1-mini) Release date Large language model (reasoning model) Architecture o1-preview, o1-mini, o1,...

AI ModelsLarge Language Models

OpenAI o1-mini

OpenAI o1-mini is a smaller, faster, and cheaper reasoning model released by OpenAI on September 12, 2024, alongside o1-preview, and optimized for science,...

Large Language ModelsReasoning Models

OpenAI o1-pro

OpenAI o1-pro is the highest-compute variant of OpenAI's o1 reasoning model, designed to spend more inference-time compute so it "thinks harder" and returns...

Large Language ModelsReasoning Models

OpenAI o3

OpenAI Announced January 31, 2025 (o3-mini); April 16, 2025 (o3, o4-mini); June 10, 2025 (o3-pro); June 26, 2025 (o3-deep-research, o4-mini-deep-research) ...

AI ModelsLarge Language Models

OpenAI o3-mini

OpenAI o3-mini is a reasoning-focused large language model released by OpenAI on January 31, 2025, the second commercial member of the o-series after OpenAI o1...

Large Language ModelsReasoning Models

OpenAI o3-pro

OpenAI o3-pro is a high-compute reasoning large language model released by OpenAI on June 10, 2025, designed as the professional, higher-reliability variant of...

Large Language ModelsReasoning Models

OpenAI restructuring (OpenAI Group PBC)

The OpenAI restructuring was a 2025 recapitalization that reorganized OpenAI into a nonprofit foundation that controls a for-profit public benefit corporation....

AI CompaniesAI Policy & Regulation

OpenAI-Broadcom AI accelerators

The OpenAI-Broadcom collaboration is a strategic partnership, announced on October 13, 2025, under which OpenAI designs its own custom AI inference...

AI HardwareAI Infrastructure

PaperBench

PaperBench is a benchmark released by OpenAI in April 2025 that measures whether AI agents can replicate cutting-edge machine learning research papers from...

AI AgentsAI Benchmarks

Podcasts ChatGPT Plugins

Podcasts ChatGPT plugins were a category of third-party extensions for ChatGPT that connected the chatbot to podcast search engines, episode transcripts, audio...

ChatGPT

Point-E

Point-E is a text-to-3D generative system developed by OpenAI that produces colored 3D point clouds from natural-language prompts. Introduced in the paper...

Generative AI

Preparedness Framework (OpenAI)

The Preparedness Framework is the risk-management policy maintained by openai for tracking, evaluating, forecasting, and mitigating catastrophic risks from...

AI Safety

Programming ChatGPT Plugins

Programming ChatGPT Plugins were a now-deprecated category of third-party extensions that let ChatGPT call external developer tools, code repositories,...

ChatGPTSoftware Development

Programming with ChatGPT

Programming with ChatGPT is the practice of using OpenAI's conversational chatbot to read, write, refactor, document, debug, test, and explain source code in...

AI Code GenerationChatGPT

Q* OpenAI

Q (pronounced Q-Star) is the reported, never-officially-detailed OpenAI research project that surfaced in news reports during the November 2023 leadership...

Rule-Based Rewards (RBR)

Rule-Based Rewards (RBR) is a safety-alignment technique introduced by OpenAI in July 2024 that replaces large quantities of human-labeled safety preference...

AI AlignmentAI Safety

SEO ChatGPT Plugins

SEO ChatGPT Plugins were a group of third-party extensions for ChatGPT that handled search engine optimization tasks (keyword research, on-page audits, SERP...

ChatGPT

SWE-Lancer

SWE-Lancer is a benchmark released by OpenAI in February 2025 that evaluates the ability of frontier large language models to perform real-world freelance...

AI BenchmarksAI Code Generation

Search Engine ChatGPT Plugins

Search engine ChatGPT plugins were a class of third party and first party extensions for ChatGPT that gave the chatbot the ability to query the open web, fetch...

ChatGPT

Shap-E

Shap-E is a conditional generative model for 3D assets developed by OpenAI, introduced in the paper "Shap-E: Generating Conditional 3D Implicit Functions" by...

AI ModelsGenerative AI

Software Development ChatGPT Plugins

Software Development ChatGPT Plugins were a now-deprecated category of ChatGPT plugins that connected ChatGPT to the wider software development life cycle,...

ChatGPTSoftware Development

Sora

Sora was OpenAI's text-to-video generative AI model: a system that generated short, high-fidelity video clips from text prompts, still images, and existing...

Diffusion ModelsGenerative AI

Sora (app)

Sora is a short-form video application released by OpenAI on September 30, 2025, alongside the Sora 2 text-to-video model that powers it.[1][4] The app...

AI Tools & ProductsGenerative AI

Sora 2

Sora 2 is a text-to-video and audio generation model developed by OpenAI, released on September 30, 2025, that OpenAI called "the GPT-3.5 moment for video."[1]...

AI ModelsGenerative AI

Spinning Up

Spinning Up in Deep RL is a free, open-source educational resource produced by OpenAI to make deep reinforcement learning (deep RL) easier to learn. Released...

Reinforcement Learning

Sports ChatGPT Plugins

Sports ChatGPT Plugins were a group of third-party extensions for ChatGPT that gave the chatbot the ability to fetch live and historical sports data, fantasy...

AI Tools & ProductsChatGPT

Stargate Argentina

Stargate Argentina is an announced, early-stage plan to build a large artificial intelligence data center of up to 500 megawatts (MW) in Argentina, described...

AI Infrastructure

Stargate Michigan

Stargate Michigan is an artificial intelligence data center campus under construction in Saline Township, Michigan, about 10 miles southwest of Ann Arbor in...

AI InfrastructureData Centers

Stargate Project

The Stargate Project is a private American AI infrastructure joint venture, announced on January 21, 2025 at the White House, under which SoftBank, OpenAI,...

AI InfrastructureAI Policy & Regulation

Stargate UAE

Stargate UAE is a large artificial intelligence data center cluster being built in Abu Dhabi, United Arab Emirates, and is the first site of the Stargate...

AI InfrastructureData Centers

Strawberry (OpenAI codename)

Strawberry was the internal codename used at OpenAI for the research program that produced the o-series of reasoning models, most notably OpenAI o1. The...

AI HistoryReasoning Models

Tom B. Brown

Tom B. Brown is an American artificial intelligence engineer and researcher best known as the lead author of "Language Models are Few-Shot Learners," the 2020...

AnthropicPeople

Travel ChatGPT Plugins

Travel ChatGPT plugins were the subset of third party plugins in the ChatGPT Plugins store, live between March 2023 and April 2024, that handled flight search,...

ChatGPT

Triton (OpenAI GPU programming language)

Triton is an open-source, Python-embedded programming language and compiler, originally created by Philippe Tillet and released by OpenAI in July 2021, that...

Developer ToolsProgramming Languages

Voice Engine (OpenAI)

Voice Engine is a speech-generation and voice-cloning model developed by OpenAI that can produce natural-sounding speech resembling a specific person from a...

Speech & Audio AIVoice AI

Weak-to-Strong Generalization

Weak-to-Strong Generalization is an empirical research direction, introduced in a December 2023 paper by OpenAI's Superalignment team, that studies whether a...

AI AlignmentAI Research

Web Services ChatGPT Plugins

Web services ChatGPT plugins were a category of third party extensions for ChatGPT that connected the chatbot to remote application programming interfaces,...

ChatGPT

Whisper

Whisper is an open-source family of automatic speech recognition (ASR) models developed by OpenAI and first released on September 21, 2022.[^1] Built on an...

Deep LearningNatural Language Processing

gpt-oss

gpt-oss is a family of open-weight large language models released by OpenAI on August 5, 2025, and OpenAI's first open-weight language models since GPT-2 in...

AI ModelsLarge Language Models

o4-mini

OpenAI o4-mini is a compact reasoning model developed by OpenAI, released on April 16, 2025. It belongs to the o-series line of models that use test-time...

AI ModelsLarge Language Models

text-embedding-3

text-embedding-3 is a family of third-generation text embedding models that OpenAI released on January 25, 2024. It consists of two models,...

Information RetrievalNatural Language Processing

tiktoken

tiktoken is an open source byte pair encoding (BPE) tokenizer library released by OpenAI in December 2022 that converts text into the integer token sequences...

Natural Language ProcessingOpen Source AI