OpenAI

APIs and tools for building AI products

12K followers

12K followers

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The most powerful platform for building AI products. Build and scale AI experiences powered by industry-leading models and tools.

Launch date

GPT‑5.4 mini and nanoFast and efficient models optimized for coding and subagents

Launched on March 18th, 2026

Codex SubagentsParallel custom agents for complex tasks

Launched on March 17th, 2026

Codex SecurityOur application security agent

Launched on March 7th, 2026

GPT‑5.4OpenAI's most efficient model: less tokens, more clarity

Launched on March 6th, 2026

Codex app for WindowsCodex now runs natively on Windows with secure sandbox

Launched on March 5th, 2026

GPT‑5.3 Instant in ChatGPTMore accurate, less cringe, smoother & useful daily chats!

Launched on March 4th, 2026

gpt-realtime-1.5 by OpenAITighter instruction adherence in speech agents

Launched on February 26th, 2026

GPT‑5.3‑Codex‑SparkAn ultra-fast model for real-time coding in Codex

Launched on February 13th, 2026

OpenAI FrontierOperate AI coworkers on a single enterprise platform

Launched on February 9th, 2026

GPT-5.3-CodexExpanding Codex to the full spectrum of computer work

Launched on February 6th, 2026