Releases

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

Codex

GPT Image 1

Codex CLI

OpenAI o4-mini

OpenAI o3

GPT-4.1

OpenAI announced $40 billion in new funding led by SoftBank at a $300 billion post-money valuation.