---
name: API Changelog
slug: openai-api-changelog
type: feed
source_url: https://developers.openai.com/api/docs/changelog
organization: OpenAI
organization_slug: openai
total_releases: 128
latest_date: 2026-03-12
last_updated: 2026-04-11
tracking_since: 2024-05-29
canonical: https://releases.sh/openai/openai-api-changelog
organization_url: https://releases.sh/openai
---

<Summary type="rolling" window-days="90" release-count="4">
OpenAI shifted focus toward developer education and tooling around its generative models. The team published prompting guides for both Sora 2 video generation and Codex, positioning Codex as the primary agentic coding model, while also shipping IDE integrations and a dedicated Codex app to lower friction for daily workflows.
</Summary>

<Summary type="monthly" period="March 2026" release-count="1">
The team published a prompting guide for Sora 2, documenting strategies to craft effective video generation requests.
</Summary>

<Release date="March 12, 2026" published="2026-03-12T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/sora/sora2_prompting_guide/">
## Sora 2 Prompting Guide

Cookbook to craft effective video prompts for Sora 2 generation.
</Release>

<Release date="February 25, 2026" published="2026-02-25T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/gpt-5/codex_prompting_guide/">
## Codex Prompting Guide

Codex models advance the frontier of intelligence and efficiency and our recommended agentic coding model. Follow this guide closely to ensure you’re getting th
</Release>

<Release date="February 2, 2026" published="2026-02-02T00:00:00.000Z" url="https://www.youtube.com/watch?v=HFM3se4lNiw">
## Introducing the Codex app

Intro walkthrough of the Codex app and its core workflows.
</Release>

<Release date="January 22, 2026" published="2026-01-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=1XkVsE9-ZK4">
## Codex in JetBrains IDEs

Walkthrough of how to use Codex inside your JetBrains IDEs.
</Release>

<Release date="January 6, 2026" published="2026-01-06T00:00:00.000Z" url="https://developers.openai.com/learn/docs-mcp/">
## Docs MCP

Quickstart for connecting to OpenAI's developer docs MCP server from common editors. - mcp, tools, docs
</Release>

<Release version="1.5" date="December 16, 2025" published="2025-12-16T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/multimodal/image-gen-1.5-prompting_guide">
## Gpt-image-1.5 Prompting Guide

Cookbook to prompt gpt-image-1.5 for reliable image generation results.
</Release>

<Release version="5.2" date="December 11, 2025" published="2025-12-11T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/gpt-5/gpt-5-2_prompting_guide/">
## GPT-5.2 Prompting Guide

Cookbook to prompt GPT-5.2 for accurate, concise enterprise workflows.
</Release>

<Release date="November 20, 2025" published="2025-11-20T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/realtime_out_of_band_transcription/">
## Transcribing User Audio with a Separate Realtime Request

Cookbook to transcribe user audio using out-of-band Realtime sessions.
</Release>

<Release date="November 19, 2025" published="2025-11-19T00:00:00.000Z" url="https://developers.openai.com/cookbook/examples/codex/code_modernization/">
## Modernizing your Codebase with Codex

Cookbook to modernize legacy codebases using the OpenAI Codex CLI.
</Release>

<Release date="November 4, 2025" published="2025-11-04T00:00:00.000Z" url="https://www.youtube.com/watch?v=HwbSWVg5Ln4">
## Codex code review

Shows Codex pairing with developers to triage diffs, leave inline suggestions, and merge confidently. — codex, code review
</Release>

<Release date="October 27, 2025" published="2025-10-27T00:00:00.000Z" url="https://www.youtube.com/watch?v=fK_bm84N7bs">
## Build beautiful frontends with OpenAI Codex

Shows Codex Cloud turning sketches and photos into responsive interfaces. — codex, frontend
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=1HL2YHRj270">
## Building with Open Models

Explains strategies for adapting open models to specific products and workflows. — open models, customization
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=3KAI__5dUn0">
## Context Engineering &amp; Coding Agents with Cursor

Discusses context strategies for letting Codex-style agents collaborate in Cursor. — agents, context windows
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=iqNzfK4_meQ">
## Using OpenAI Codex CLI with GPT-5-Codex

Covers installation, authentication, and power-user workflows for the Codex CLI. — codex, CLI
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=sd21Igx4HtA">
## OpenAI Codex in your code editor

Shows how to pair Codex with leading editors and streamline in-editor workflows. — codex, IDE extension
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=-l0OqapibAA">
## Live Demo Showcase: Tools That 10x Your Codebase

Runs through hands-on demos of toolchains that supercharge coding velocity. — agents, tool calling
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=70ush8Vknx8">
## Sora, ImageGen, and Codex: The Next Wave of Creative Production

Explores multimodal pipelines that link video, image, and code generation tools. — creative workflows
</Release>

<Release date="October 22, 2025" published="2025-10-22T00:00:00.000Z" url="https://www.youtube.com/watch?v=Gr41tYOzE20">
## Shipping with Codex

Shares lessons from teams shipping real software with Codex end-to-end. — codex, product delivery
</Release>

<Release date="October 15, 2025" published="2025-10-15T00:00:00.000Z" url="https://github.com/openai/openai-sora-sample-app">
## Sora starter app

Demonstrates how to use Sora in the API to build video generation workflows.
</Release>

<Release date="October 6, 2025" published="2025-10-06T00:00:00.000Z" url="https://github.com/openai/openai-chatkit-advanced-samples">
## ChatKit advanced samples

Demonstrates advanced use cases for ChatKit (part of AgentKit) with custom ChatKit server integrations for different use cases.
</Release>

<Pagination page="1" total-pages="7" total-items="128" next="https://releases.sh/openai/openai-api-changelog.md?page=2" />