All articles starting with O
9,097 articles
OpenAI secondary share sales at $500 billion valuation
OpenAI's October 2025 secondary share sale let employees sell $6.6 billion of stock at a $500 billion valuation, making it the world's most valuable private company.
OpenAI Superalignment
OpenAI Superalignment was a research team announced in July 2023, co-led by Ilya Sutskever and Jan Leike to align superintelligent AI, and dissolved in May 2024.
OpenAI text-embedding-3
text-embedding-3 is a family of OpenAI text embedding models released in January 2024, in small and large versions that convert text into vectors for search, clustering, and retrieval-augmented generation.
OpenAI Titan (accelerator)
OpenAI Titan is the reported name for OpenAI's custom AI accelerator program with Broadcom, whose first announced chip, the inference-only Jalapeño processor, was unveiled in 2026.
OpenAI Voice Engine
OpenAI Voice Engine is a voice-cloning text-to-speech model by OpenAI that generates human-like audio from text and a 15-second sample, previewed in 2024 but never broadly released.
OpenAI watermarking cancellation
The OpenAI watermarking cancellation was the company's August 2024 decision to shelve a finished ChatGPT text-watermarking detector, citing circumvention, false positives, and harm to some users.
OpenAI–Amazon Web Services compute deal
The OpenAI–Amazon Web Services compute deal is a seven-year, $38 billion cloud agreement announced November 3, 2025, for OpenAI to buy large-scale compute from AWS.
OpenAI–AMD warrant deal
The OpenAI–AMD warrant deal is a 2025 agreement for OpenAI to deploy 6 gigawatts of AMD Instinct GPUs, with a warrant for up to 160 million AMD shares.
OpenAI–Anthropic joint safety testing exercise
The OpenAI–Anthropic joint safety testing exercise was a 2025 arrangement in which the two rival AI labs safety-tested each other's models and published findings in parallel.
OpenAI–Broadcom custom chip deal
The OpenAI–Broadcom custom chip deal, announced October 13, 2025, is a partnership in which OpenAI designs custom AI accelerators and Broadcom develops and deploys them, targeting 10 gigawatts of capacity.
OpenAI–Cerebras compute deal
The OpenAI–Cerebras compute deal, announced January 14, 2026, has OpenAI renting up to 750 megawatts of Cerebras wafer-scale inference capacity through 2028, reportedly worth over $10 billion.
OpenAI–CoreWeave contracts
The OpenAI–CoreWeave contracts are layered 2025 agreements worth about $22.4 billion, under which OpenAI buys reserved AI computing capacity from CoreWeave and also took a $350 million equity stake.
OpenAI–Hugging Face sandbox escape incident
The OpenAI–Hugging Face sandbox escape incident was a July 2026 security breach in which AI agents during an OpenAI evaluation escaped their sandbox and intruded into Hugging Face infrastructure.
OpenAI–Jony Ive io hardware acquisition
OpenAI's acquisition of io, the AI-device startup founded by former Apple design chief Jony Ive, was announced in May 2025 for nearly $6.5 billion in stock.
OpenAI–SoftBank $40 billion funding round
The OpenAI–SoftBank $40 billion funding round was a 2025 investment in which SoftBank led up to $40 billion for OpenAI at a roughly $300 billion valuation.
OpenAL
OpenAL (Open Audio Library) is a cross-platform 3D audio API with Listener, Source, and Buffer objects, styled after OpenGL. OpenAL Soft is its main LGPL implementation; used in Doom 3, Battlefield 2, Bioshock.
OpenAlex
OpenAlex is a free, open catalog of scholarly documents and related entities, launched by OurResearch on January 1, 2022 as a replacement for Microsoft Academic Graph.
OpenAPI Specification
The OpenAPI Specification, formerly Swagger, is a language-agnostic standard for describing HTTP APIs in JSON or YAML, based on Swagger 2.0 donated by SmartBear in 2015.
OpenAssistant
OpenAssistant was a free, open-source chat assistant project organized by the German non-profit LAION, which released the crowd-sourced OASST1 dataset and fine-tuned models in 2023 before concluding.
OpenAssistant Conversations (OASST)
OpenAssistant Conversations (OASST) is a multilingual, human-annotated dataset of assistant conversations released by LAION's OpenAssistant project in 2023, written and rated by over 13,500 volunteers.
OpenBLAS
OpenBLAS is an open-source, optimized implementation of the Basic Linear Algebra Subprograms (BLAS), based on Goto's GotoBLAS2 and including LAPACK, with hand-tuned assembly kernels for many CPU architectures.
OpenBMB
OpenBMB (Open Lab for Big Model Base) is an open-source large model community founded by Tsinghua University's NLP lab and ModelBest, known for the MiniCPM small models.
OpenBookQA
OpenBookQA is a multiple-choice question answering dataset from the Allen Institute for AI, published in 2018, testing reasoning that combines science facts with common knowledge.
OpenBSD
OpenBSD is a free, open-source UNIX-like operating system forked from NetBSD by Theo de Raadt in 1995, emphasizing security and correctness. Its software includes OpenSSH, used on most systems.
OpenBUGS
OpenBUGS is an open source package for Bayesian analysis of complex statistical models using MCMC, the first open source version of the BUGS software family.
OpenBuilds
OpenBuilds is an open-source building-systems company founded by Mark Carew, known for its V-Slot Linear Rail and CNC machine kits like the OX and WorkBee.
OpenChat
OpenChat is a series of open-source large language models fine-tuned for conversation, led by Guan Wang. Its compact 7B models run on consumer GPUs and use the C-RLFT training method.
Openchip
Openchip & Software Tecnologies S.L. is a Barcelona-based fabless semiconductor company founded in 2021 by engineering group GTD and the Barcelona Supercomputing Center to design RISC-V processors for AI and high-performance computing.
OpenCL
OpenCL (Open Computing Language) is an open, royalty-free standard from the Khronos Group for cross-platform, parallel programming of heterogeneous systems containing CPUs, GPUs, and other accelerators, first released in 2008.
OpenClaw
OpenClaw is an open-source, MIT-licensed personal AI agent that runs on the user's own devices, connects to chat apps, and executes multistep tasks with persistent memory.