Showing 61-120 of 163 articles
GPT-4o mini
GPT-4o mini is a small, low-cost multimodal large language model developed by OpenAI and released on July 18, 2024, as the company's most cost-efficient model...
Multimodal AISmall Language Models
GPT-5
GPT-5 is OpenAI's flagship large language model, first released on August 7, 2025. It represents a fundamental shift in OpenAI's model strategy: rather than...
AI ModelsLarge Language Models
GPT-5 Codex
GPT-5-Codex is a coding-specialised variant of OpenAI's GPT-5 model, announced on September 15, 2025 and tuned for agentic software engineering inside the...
Developer ToolsLarge Language Models
GPT-5 Pro
GPT-5 Pro is a large language model developed by OpenAI and the highest-capability variant of the GPT-5 model family. It is positioned above the standard GPT-5...
Large Language ModelsReasoning Models
GPT-5.1
GPT-5.1 is a family of large language models developed by OpenAI and released on November 12, 2025.[1] It is an incremental update to GPT-5, released...
AI ModelsLarge Language Models
GPT-5.2
GPT-5.2 is a large language model developed by OpenAI and released on December 11, 2025.[1] It is the second major update to the GPT-5 series, succeeding...
AI ModelsLarge Language Models
GPT-5.3
GPT-5.3 is a family of large language models released by OpenAI in February and March 2026 as part of the GPT-5 lineage. It comprises three distinct models...
AI ModelsLarge Language Models
GPT-5.4
GPT-5.4 is a large language model developed by OpenAI and released on March 5, 2026.[1] It is the fourth point release in the GPT-5 series, following GPT-5.3...
AI ModelsLarge Language Models
GPT-5.5
GPT-5.5 is a large language model developed by OpenAI and released on April 23, 2026.[1][11] Known internally by its codename "Spud," it is OpenAI's first...
AI ModelsLarge Language Models
GPT-Realtime / OpenAI Realtime API
GPT-Realtime is a family of speech-to-speech models exposed through the OpenAI Realtime API, a low-latency interface that lets developers build voice agents...
Speech & Audio AIVoice AI
Gaming ChatGPT Plugins
Gaming ChatGPT Plugins were a topical grouping of third-party plugins that turned ChatGPT into a host for chess matches, word games, trivia, board game...
AI in GamingChatGPT
Greg Brockman
Greg Brockman is an American software engineer and entrepreneur who co-founded OpenAI in December 2015 and serves as its president and chairman of the board....
People
Gym (OpenAI Gym / Gymnasium)
Gym, often written as OpenAI Gym, is an open source Python toolkit for developing and comparing reinforcement learning algorithms, originally released by...
Developer ToolsReinforcement Learning
HealthBench
--- Full name HealthBench Description May 12, 2025 (paper May 13, 2025) Latest version Rahul K. Arora, Jason Wei, Rebecca Soskin Hicks, Preston...
AI BenchmarksHealthcare AI
HealthBench Hard
HealthBench Hard Abbreviation A 1,000 example curated subset of HealthBench, selected because frontier models score poorly on it Release date 1.0 ...
AI BenchmarksHealthcare AI
Ilya Sutskever
Ilya Sutskever (born December 8, 1986) is a Russian-born, Israeli-Canadian computer scientist who is the co-founder and former Chief Scientist of OpenAI and...
AI SafetyDeep Learning
InstructGPT
InstructGPT is a family of language models released by OpenAI in January 2022 that take the base GPT-3 and fine-tune it to follow user instructions more...
AI AlignmentLarge Language Models
Internet ChatGPT Plugins
Internet ChatGPT Plugins were third-party and first-party extensions inside the ChatGPT plugin store that let the assistant reach the live web, for example by...
AI HistoryChatGPT
Jakub Pachocki
Jakub Pachocki (born 1991) is a Polish computer scientist and former competitive programmer who has served as the Chief Scientist of OpenAI since May...
People
John Schulman
John Schulman is an American artificial intelligence researcher, one of the eleven original co-founders of OpenAI, and the inventor of Proximal Policy...
PeopleReinforcement Learning
Jukebox (OpenAI)
Jukebox is a neural network for music generation developed by OpenAI that produces music, including rudimentary singing, as raw audio across a range of genres...
Generative AIMusic & Audio Generation
Language Learning ChatGPT Plugins
Language learning ChatGPT plugins were a small but visible group of third-party tools that extended ChatGPT with translation, foreign-language explanation,...
ChatGPT
Lifestyle Custom GPTs
See also: Custom GPTs, GPT Store and ChatGPT Lifestyle Custom GPTs are user-built versions of ChatGPT listed under the Lifestyle category of the GPT Store,...
ChatGPT
List of ChatGPT Plugins
The List of ChatGPT Plugins is a directory of the third party and first party plugins that operated inside OpenAI's ChatGPT product between March 2023 and...
ChatGPT
MLE-bench
MLE-bench is a benchmark for measuring how well autonomous AI agents perform real-world machine learning engineering, released by OpenAI's Preparedness team on...
AI AgentsAI Benchmarks
Marketing ChatGPT Plugins
Marketing ChatGPT Plugins were a now-deprecated group of third-party extensions for ChatGPT that helped marketers research audiences, draft content, build...
AI Tools & ProductsChatGPT
Media ChatGPT Plugins
Media ChatGPT Plugins were a broad umbrella grouping of third-party tools inside the ChatGPT plugin store that surfaced content from press outlets, broadcast...
AI Tools & ProductsChatGPT
Mira Murati
Ermira "Mira" Murati (born December 16, 1988) is an Albanian-American engineer and technology executive who served as Chief Technology Officer of OpenAI from...
AI CompaniesPeople
Model Spec
The Model Spec is a public document published by openai that defines the intended behavior of the company's language models: how they should follow...
AI AlignmentAI Safety
MuseNet
MuseNet is a deep neural network for symbolic music generation, announced by OpenAI on April 25, 2019. The model can generate musical compositions up to about...
Generative AIMusic & Audio Generation
New York Times v. OpenAI
The New York Times Company v. Microsoft Corporation, OpenAI Inc., et al. (case number 1:23-cv-11195) is a federal copyright lawsuit filed by The New York Times...
AI Incidents & ControversiesAI Policy & Regulation
Noam Brown
Noam Brown is an American computer scientist and research scientist at openai who specializes in artificial intelligence reasoning, multi-agent learning,...
AI ResearchPeople
OpenAI
Public Benefit Corporation (OpenAI Group, formerly OpenAI Global LLC); Non-profit foundation (OpenAI Foundation) Industry December 11, 2015 Founders ...
AI CompaniesArtificial Intelligence
OpenAI 2026 executive departures
The 2026 OpenAI executive departures were a run of high-profile leadership exits from OpenAI over the course of 2025 and into 2026, capped by a single-day...
AI Incidents & ControversiesPeople
OpenAI API
The OpenAI API is a REST-based application programming interface that gives developers programmatic access to OpenAI's family of artificial intelligence...
AI Tools & ProductsLarge Language Models
OpenAI AgentKit
Agent development platform Developer 6 October 2025 Venue Included with standard API model pricing Key components Reinforcement fine-tuning on GPT-5...
AI AgentsAI Infrastructure
OpenAI Agents SDK
The OpenAI Agents SDK is an open-source, lightweight framework developed by OpenAI for building multi-agent systems and agentic workflows, built around four...
AI AgentsDeveloper Tools
OpenAI Apps SDK
Developer platform for in-chat applications Developer 6 October 2025 Venue Model Context Protocol (MCP) Host surface Logged-in ChatGPT users outside...
AI AgentsDeveloper Tools
OpenAI Assistants API
The OpenAI Assistants API is a stateful, server-managed application programming interface that OpenAI introduced on November 6, 2023, at its first DevDay...
AI AgentsDeveloper Tools
OpenAI Baselines
OpenAI Baselines is a collection of open-source, high-quality reference implementations of reinforcement learning (RL) algorithms released by OpenAI....
Open Source AIReinforcement Learning
OpenAI Batch API
The OpenAI Batch API is an asynchronous service from OpenAI that lets developers submit large groups of API requests in a single JSONL file and receive the...
Developer Tools
OpenAI ChatGPT logs discovery dispute
The OpenAI ChatGPT logs discovery dispute is a fight over user privacy inside the consolidated copyright litigation that news publishers and authors have...
AI Incidents & ControversiesChatGPT
OpenAI Codex
OpenAI Codex is the brand OpenAI has used for two distinct generations of code-focused artificial intelligence products: a 2021 large language model that...
AI ModelsDeveloper Tools
OpenAI Codex CLI
OpenAI Codex CLI is an open-source, terminal-based coding agent developed by OpenAI and released on April 16, 2025; it runs locally on a developer's machine...
AI AgentsDeveloper Tools
OpenAI Codex Cloud
OpenAI Codex Cloud is a hosted, cloud-based software engineering agent developed by OpenAI and launched as a research preview on May 16, 2025.[1][2] The...
AI AgentsDeveloper Tools
OpenAI Deployment Company
The OpenAI Deployment Company, sometimes referred to internally and in the press as "DeployCo," is a majority-owned enterprise services venture launched by...
AI CompaniesEnterprise AI
OpenAI Five
OpenAI Five was a reinforcement learning system developed by OpenAI to play the competitive multiplayer video game Dota 2 at a professional level. On April 13,...
AI in GamingArtificial Intelligence
OpenAI Frontier
OpenAI Frontier is an enterprise platform for building, deploying, and managing AI agents at scale. Launched on February 5, 2026, the platform enables...
AI AgentsArtificial Intelligence
OpenAI Harmony
OpenAI Harmony (the harmony response format) is the structured conversation and response format used by OpenAI's open-weight gpt-oss language models, released...
Developer ToolsOpen Source AI
OpenAI IPO
The OpenAI IPO refers to a reported and prospective initial public offering by OpenAI, the company behind ChatGPT, rather than a completed stock market...
AI Companies
OpenAI Microscope
OpenAI Microscope is a publicly accessible collection of visualizations of the neurons, channels, and features inside a number of significant, commonly studied...
Interpretability
OpenAI Moderation API
The OpenAI Moderation API is a free classification tool, accessed through a dedicated moderation endpoint of the OpenAI API, that assesses whether text (and,...
AI SafetyDeveloper Tools
OpenAI Operator
OpenAI Operator was an AI agent developed by OpenAI that could autonomously perform tasks through web browser interactions. Launched on January 23, 2025, as a...
AI AgentsArtificial Intelligence
OpenAI Pulse
ChatGPT Pulse is a proactive personalized briefing feature within ChatGPT, an artificial intelligence chatbot developed by OpenAI. Launched in preview on...
AI Tools & Products
OpenAI Realtime API
The OpenAI Realtime API is a speech-to-speech interface from OpenAI that lets developers build low-latency, bidirectional voice AI applications powered by...
Conversational AIDeveloper Tools
OpenAI Responses API
The OpenAI Responses API is OpenAI's agent-oriented HTTP API, launched on March 11, 2025, that unifies the simplicity of the Chat Completions API with the...
AI AgentsDeveloper Tools
OpenAI acquisition of Astral
OpenAI's acquisition of Astral is a planned purchase, announced on March 19, 2026, in which OpenAI agreed to acquire Astral Software, the company behind a set...
AI CompaniesDeveloper Tools
OpenAI acquisition of Statsig
The OpenAI acquisition of Statsig was an all-stock deal, valued at roughly $1.1 billion, that OpenAI announced on September 2, 2025. Statsig is a Seattle-area...
AI CompaniesDeveloper Tools
OpenAI acquisition of io
The OpenAI acquisition of io is the deal under which OpenAI bought io Products, the artificial intelligence hardware startup co-founded by former Apple design...
AI CompaniesAI Hardware
OpenAI for Science
OpenAI for Science was a research initiative and internal team at OpenAI, announced on September 3, 2025, whose stated mission was to build "the next great...
AI for Science