Releases

OpenAI will remove tts-1, tts-1-hd and two GPT-4o mini TTS snapshots from the API on January 6, 2027. The recommended replacement is gpt-realtime-2.1-mini.

GPTs

GPT Image

OpenAI is scheduled to shut down the v1/prompts API and reusable prompt objects on November 30, 2026. The migration path is to keep prompt content in application code.

OpenAI is scheduled to shut down the Evals dashboard and API on November 30, 2026, after making existing evals read-only on October 31.

OpenAI says existing content on the deprecated Evals platform becomes read-only on October 31, 2026, ahead of the platform shutdown on November 30.

OpenAI will remove gpt-3.5-turbo-0125 and gpt-4-0613 snapshot aliases from the API on October 23, 2026. The documented replacements are GPT-5.6 Terra and GPT-5.6 Sol respectively.

OpenAI says billing for the trusted-access GPT-Rosalind research model begins on October 5, 2026, at $5 per million input tokens, $0.50 per million cached input tokens, and $25 per million output tokens.

GPT-6.1 Sol

GPT-6

Agents API

GPT Image

GPT-6 Astra

GPT-5.6

GPT-5.6 Cyber

OpenAI Daybreak

ChatGPT Work

GPT-5.6

GPT-Live-1

GPT-5.6 Sol

Codex

OpenAI and Microsoft announced the next phase of their partnership with amended commercial terms.

Sora app

GPT-5.5

ChatGPT Images 2.0

OpenAI announced the close of $122 billion in capital at an $852 billion post-money valuation.

GPT-5.4 mini

GPT-5.4

OpenAI and Amazon announced a strategic partnership spanning investment, AWS compute, and distribution of OpenAI models and products.

OpenAI announced $110 billion of new investment from Amazon, NVIDIA, and SoftBank at a $730 billion pre-money valuation.

GPT-5.3-Codex-Spark

GPT-5.3-Codex

GPT-5.2-Codex

ChatGPT Apps

GPT-5.2

GPT-5.1

OpenAI and AWS announced a multi-year strategic partnership under which OpenAI would access AWS compute infrastructure.

OpenAI completed a recapitalization establishing OpenAI Group PBC as a public benefit corporation controlled by the nonprofit OpenAI Foundation.

Codex

ChatGPT Apps

Apps SDK

Sora 2

OpenAI, Oracle, and SoftBank announced five new US Stargate data-center sites, moving planned capacity toward nearly 7 gigawatts.

OpenAI and NVIDIA announced a strategic partnership to deploy at least 10 gigawatts of NVIDIA systems for OpenAI infrastructure.

OpenAI and Microsoft announced a non-binding memorandum of understanding for the next phase of their partnership, alongside plans for the nonprofit to control a public benefit corporation and hold a substantial equity stake.

GPT-5

gpt-oss

ChatGPT agent

OpenAI o3-pro

Responses API