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OpenAI

Maker of ChatGPT, GPT-4, and DALL-E

OpenAI is an AI research lab behind ChatGPT, the GPT model family, DALL-E, and Sora. It started as a nonprofit focused on safe artificial general intelligence and now operates a capped-profit arm that sells API access and subscription products.

12 tools ·47 models ·founded 2015 ·San Francisco, California
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// founders
Founders
Sam Altman, Elon Musk, Greg Brockman, Ilya Sutskever, Wojciech Zaremba, John Schulman

// tools by OpenAI

// models by OpenAI

GPT-5.6 Sol OpenAI's flagship model for advanced math, science, and cybersecurity reasoning OpenAI · Reasoning · Paid
GPT-5.4 The first OpenAI model to ship with native computer use built in OpenAI · Reasoning · Paid
GPT-5.5 OpenAI's model that led the ARC-AGI-2 leaderboard at launch OpenAI · Reasoning · Paid
GPT-4o OpenAI's omni model, natively multimodal across text, image, and audio OpenAI · Multimodal · Paid
GPT-5 OpenAI's unified reasoning and chat model family OpenAI · Reasoning · Paid
GPT-5 Pro The highest-compute variant of GPT-5, built for accuracy over speed OpenAI · Reasoning · Paid
GPT-5.1 OpenAI's coding-focused GPT-5 refresh with configurable reasoning effort OpenAI · Reasoning · Paid
GPT-5.2 OpenAI's three-tier GPT-5.2 release: Instant, Thinking, and Pro OpenAI · Reasoning · Paid
CLIP OpenAI's foundational image-text contrastive model that underlies much of modern multimodal AI OpenAI · Multimodal · Free
GPT-5.6 Terra OpenAI's balanced GPT-5.6 tier for everyday coding, reasoning, and agentic tasks OpenAI · Reasoning · Paid
GPT-OSS-120B OpenAI's first open-weight model release since GPT-2, matching o4-mini on many reasoning benchmarks OpenAI · Reasoning · Free
o3 OpenAI's deep multi-step reasoning model for hard technical problems OpenAI · Reasoning · Paid
Sora OpenAI's original text-to-video model, notable for minute-long coherent generations at launch OpenAI · Video Generation · Freemium
Sora 2 OpenAI's second-generation text-to-video model with synced audio OpenAI · Video Generation · Freemium
Whisper OpenAI's open-weight speech recognition and transcription model OpenAI · Audio Generation · Free
GPT-Live-1 OpenAI's full-duplex voice model that listens and speaks at the same time OpenAI · Audio Generation · Freemium
DALL-E 2 OpenAI's second image generator, the first to bring photorealistic text-to-image to the mainstream OpenAI · Image Generation · Freemium
GPT-4 The 2023 release that reset expectations for what LLMs could do OpenAI · Language · Paid
GPT-4.1 OpenAI's 2025 model with a 1M-token context window, tuned for coding OpenAI · Language · Paid
GPT-4o mini OpenAI's small, cost-efficient multimodal model OpenAI · Multimodal · Paid
GPT-4o Realtime Low-latency speech-to-speech variant of GPT-4o for live voice conversation OpenAI · Audio Generation · Paid
GPT-Image-1 OpenAI's native multimodal image generation model behind ChatGPT images OpenAI · Image Generation · Freemium
GPT-OSS-20B The smaller, single-GPU-friendly tier of OpenAI's open-weight model release OpenAI · Reasoning · Free
o1 OpenAI's first reasoning model trained to think before answering OpenAI · Reasoning · Paid
Whisper Large v3 The largest, most accurate tier of OpenAI's open-weight speech recognition model OpenAI · Audio Generation · Free
GPT-5.6 Cyber OpenAI's cybersecurity model for finding and closing vulnerabilities, restricted to vetted defenders OpenAI · Code · Paid
Codex OpenAI's original code-completion model that powered early GitHub Copilot OpenAI · Code · Paid
DALL-E 3 OpenAI's image generation model integrated directly into ChatGPT OpenAI · Image Generation · Freemium
GPT-3 The 2020 model that first showed large-scale few-shot learning was possible OpenAI · Language · Paid
GPT-3 Davinci The largest of the original GPT-3 model sizes OpenAI · Language · Paid
GPT-3.5 Turbo The model that powered ChatGPT's original public launch OpenAI · Language · Paid
GPT-4 Turbo Faster, cheaper successor to GPT-4 with a larger context window OpenAI · Language · Paid
GPT-4.5 OpenAI's largest pre-GPT-5 model, tuned for natural conversation OpenAI · Language · Paid
GPT-5.6 Luna OpenAI's fast, cost-efficient GPT-5.6 tier for high-volume, latency-sensitive tasks OpenAI · Reasoning · Paid
o1-preview Public preview of OpenAI's first reasoning model, ahead of the full o1 release OpenAI · Reasoning · Paid
o1-pro Higher-compute variant of o1 for the hardest reasoning tasks OpenAI · Reasoning · Paid
o3-mini OpenAI's small, fast reasoning model for STEM tasks OpenAI · Reasoning · Paid
o4-mini OpenAI's fast, low-cost reasoning model for high-volume agentic use OpenAI · Reasoning · Paid
text-embedding-3-large OpenAI's flagship text embedding model for search and retrieval OpenAI · Embedding · Paid
text-embedding-ada-002 OpenAI's long-serving default embedding model before the v3 family OpenAI · Embedding · Paid
DALL-E OpenAI's original 2021 text-to-image model OpenAI · Image Generation · Paid
GPT-1 OpenAI's original 2018 paper model that introduced the GPT architecture OpenAI · Language · Free
GPT-2 OpenAI's 2019 model, once withheld from release over misuse concerns OpenAI · Language · Free
InstructGPT OpenAI's 2022 model that introduced RLHF instruction-tuning at scale OpenAI · Language · Paid
o1-mini OpenAI's first compact reasoning model, tuned for coding and math OpenAI · Reasoning · Paid
text-davinci-003 The last and most capable of OpenAI's original GPT-3.5 completion models OpenAI · Language · Paid
text-embedding-3-small OpenAI's smaller, cheaper text embedding model OpenAI · Embedding · Paid