Releases
125 matching — model launches, API releases, product updates, financial events and news.
May 20251
May 16, 2025
Codex cloud coding agent research preview launchedProduct launch
OpenAI launched a cloud software-engineering agent capable of working on multiple coding tasks in parallel.
April 20255
Apr 23, 2025GPT Image 1 released in the APIModel release
OpenAI released its native multimodal image-generation model gpt-image-1 through the API.
Apr 16, 2025Codex CLI releasedProduct launch
OpenAI released Codex CLI, an open-source coding agent that runs in the terminal.
Apr 16, 2025OpenAI o4-mini releasedModel release
OpenAI released o4-mini, a smaller reasoning model optimized for fast, cost-efficient reasoning.
Apr 16, 2025OpenAI o3 releasedModel release
OpenAI released o3, a reasoning model with strong performance across coding, mathematics, science, and visual tasks.
Apr 14, 2025GPT-4.1 model family releasedModel release
OpenAI released GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano in the API with improved coding and instruction following.
March 20254
Mar 31, 2025OpenAI announces $40 billion funding at $300 billion valuationFunding round
OpenAI announced $40 billion in new funding led by SoftBank at a $300 billion post-money valuation.
Mar 25, 2025Native GPT-4o image generation launchedModel update
OpenAI launched native image generation in GPT-4o for precise, context-aware image creation and editing.
Mar 11, 2025Agents SDK releasedSDK release
OpenAI released the open-source Agents SDK for orchestrating single- and multi-agent workflows.
Mar 11, 2025Responses API launchedAPI release
OpenAI launched the Responses API as a new foundation for building agentic applications with built-in tools.
February 20252
Feb 27, 2025GPT-4.5 research preview releasedModel release
OpenAI released GPT-4.5 as a research preview in ChatGPT and the API.
Feb 2, 2025Deep research launched in ChatGPTProduct launch
OpenAI launched deep research, an agentic ChatGPT capability for multi-step web research and synthesis.
January 20253
Jan 31, 2025OpenAI o3-mini releasedModel release
OpenAI released o3-mini, a cost-efficient reasoning model optimized for science, mathematics, and coding.
Jan 23, 2025Operator research preview launchedProduct launch
OpenAI launched Operator, a browser-using agent capable of interacting with web interfaces.
Jan 21, 2025The Stargate Project announcedPartnership
OpenAI, SoftBank, Oracle, and MGX announced Stargate, a new company intended to invest $500 billion in US AI infrastructure over four years.
December 20243
Dec 9, 2024Sora launched as a product with Sora TurboProduct launch
OpenAI launched the Sora video-generation product for ChatGPT Plus and Pro users, powered by Sora Turbo.
Dec 5, 2024ChatGPT Pro launchedProduct launch
OpenAI launched ChatGPT Pro, a higher-tier subscription with expanded access to advanced models.
Dec 5, 2024OpenAI o1 releasedModel release
OpenAI released the full o1 reasoning model in ChatGPT and announced related API improvements.
October 20244
Oct 31, 2024ChatGPT Search launchedFeature update
OpenAI launched web search in ChatGPT with timely answers and source links.
Oct 3, 2024Canvas introduced in ChatGPTFeature update
OpenAI introduced Canvas, a collaborative interface for writing and coding projects in ChatGPT.
Oct 2, 2024OpenAI raises $6.6 billion at $157 billion valuationFunding round
OpenAI closed a $6.6 billion funding round at a $157 billion post-money valuation.
Oct 1, 2024Realtime API public beta launchedAPI release
OpenAI launched the Realtime API public beta for low-latency multimodal experiences.
September 20242
Sep 24, 2024Advanced Voice Mode rollout beganFeature update
OpenAI began expanding ChatGPT's Advanced Voice Mode with more natural real-time audio conversations.
Sep 12, 2024OpenAI o1-preview and o1-mini releasedModel release
OpenAI released its first o-series reasoning models, o1-preview and o1-mini.
July 20241
Jul 25, 2024SearchGPT prototype launchedProduct launch
OpenAI launched a limited prototype of SearchGPT with web answers and linked sources.