Releases

OpenAI released GPT-6.1 Sol in the API as an updated workhorse model.

OpenAI added GPT-6 Sol and GPT-6 Luna to the API as capability and efficiency tiers in the GPT-6 family.

OpenAI released GPT-Image-2.5 Sunburst and Flare as a new generation of image models.

OpenAI released GPT-6 Astra, a frontier model positioned for its most demanding reasoning and agentic workloads.

OpenAI introduced GPT-5.6 Cyber for high-end defensive cybersecurity use through Daybreak.

OpenAI launched GPT-5.6 Sol, Terra, and Luna broadly across ChatGPT, Codex, and the API.

OpenAI released GPT-Live-1 and GPT-Live-1 mini for low-latency, natively multimodal voice and realtime interaction.

OpenAI began a limited preview of GPT-5.6 Sol and previewed the Terra and Luna variants.

OpenAI discontinued the standalone Sora product as its video strategy shifted to newer experiences and models.

OpenAI released GPT-5.5 and GPT-5.5 Pro as upgraded frontier models for complex knowledge work and reasoning.

OpenAI released ChatGPT Images 2.0 with stronger world knowledge, instruction following, detail, and an images-with-thinking mode.

OpenAI released GPT-5.4 mini and GPT-5.4 nano as smaller, lower-latency variants.

OpenAI released GPT-5.4 and GPT-5.4 Pro for professional work, coding, computer use, and long-context tasks.

OpenAI released a research preview of GPT-5.3-Codex-Spark, a smaller model optimized for near-real-time coding.

OpenAI released GPT-5.3-Codex, an interactive agentic coding model for complex software and professional work.

OpenAI released GPT-5.2-Codex, an agentic coding model optimized for long-horizon software engineering.

OpenAI released GPT-5.2 with improvements for professional knowledge work and long-context tasks.

OpenAI released GPT-5.1 for developers with improved coding, steerability, and agentic performance.

OpenAI released Sora 2, a video and audio generation model with improved physical realism and control.

OpenAI released GPT-5 across ChatGPT and the API, including mini, nano, and Pro variants.

OpenAI released gpt-oss-120b and gpt-oss-20b under an open-weight license.

OpenAI released o3-pro for more reliable reasoning by using additional compute.

OpenAI released its native multimodal image-generation model gpt-image-1 through the API.

OpenAI released o4-mini, a smaller reasoning model optimized for fast, cost-efficient reasoning.

OpenAI released o3, a reasoning model with strong performance across coding, mathematics, science, and visual tasks.

OpenAI released GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano in the API with improved coding and instruction following.

OpenAI launched native image generation in GPT-4o for precise, context-aware image creation and editing.

OpenAI released GPT-4.5 as a research preview in ChatGPT and the API.

OpenAI released o3-mini, a cost-efficient reasoning model optimized for science, mathematics, and coding.

OpenAI released the full o1 reasoning model in ChatGPT and announced related API improvements.

OpenAI released its first o-series reasoning models, o1-preview and o1-mini.

OpenAI released GPT-4o mini as a lower-cost small multimodal model.

OpenAI released GPT-4o, an omni model designed for real-time reasoning across audio, vision, and text.

OpenAI introduced Sora, a text-to-video model, as a research preview for red teamers and selected creators.

OpenAI released text-embedding-3-small and text-embedding-3-large with improved performance and new dimension controls.

OpenAI announced GPT-4 Turbo with a 128K context window, newer knowledge, and lower API pricing.

OpenAI made DALL-E 3 available to ChatGPT Plus and Enterprise users.

OpenAI released GPT-4, a multimodal large model accepting image and text inputs and producing text outputs.

OpenAI released text-embedding-ada-002, replacing multiple earlier embedding models with a more capable and lower-cost model.

OpenAI released Whisper, a multilingual speech-recognition model, together with model weights and inference code.

OpenAI introduced DALL-E 2 with higher-resolution image generation and editing capabilities.

OpenAI introduced instruction-following models trained with human feedback.

OpenAI introduced Codex, a descendant of GPT-3 that translates natural language into code.

OpenAI introduced CLIP, a neural network trained on image-text pairs for transferable visual recognition.

OpenAI introduced DALL-E, a model that generates images from text descriptions.

OpenAI published GPT-3, demonstrating few-shot learning at 175 billion parameters.

OpenAI released Jukebox, a neural network that generated music including rudimentary singing as raw audio.

OpenAI completed the staged GPT-2 release with the 1.5-billion-parameter model and accompanying research.

OpenAI released the 774-million-parameter GPT-2 model and shared further analysis of misuse and detection.

OpenAI introduced MuseNet, a deep neural network for generating multi-instrument musical compositions.