When GPT 5.5 will be available as API?
As of today, OpenAI has not published a public API release date for GPT 5.5. The official model docs say GPT 5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still list...
As of today, OpenAI has not published a public API release date for GPT 5.5. The official model docs say GPT 5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT 5.4 as the latest API model.[2][1] So the honest answer is: I don’t know the date yet.[2][1] If y
Key takeaways
- As of today, OpenAI has not published a public API release date for GPT-5.5. The official model docs say GPT-5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT-5.4 as the latest API model.[2][1]
- So the honest answer is: I don’t know the date yet.[2][1]
Research answer
As of today, OpenAI has not published a public API release date for GPT-5.5. The official model docs say GPT-5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT-5.4 as the latest API model.[2][
1]
- So the honest answer is: I don’t know the date yet.[
2][
1]
- If you need the closest current API option, OpenAI’s docs point developers to gpt-5.4.[
2]
- The best places to watch are the OpenAI API models page and API changelog.[
2][
1]
If you want, I can also give you a 30-second way to monitor the release automatically.
Supporting visuals
Research conversation
Research question
When GPT 5.5 will be available as API?
Cited answer
As of today, OpenAI has not published a public API release date for GPT-5.5. The official model docs say GPT-5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT-5.4 as the latest API model.[2][
1]
- So the honest answer is: I don’t know the date yet.[
2][
1]
- If you need the closest current API option, OpenAI’s docs point developers to gpt-5.4.[
2]
- The best places to watch are the OpenAI API models page and API changelog.[
2][
1]
If you want, I can also give you a 30-second way to monitor the release automatically.
People also ask
What is the short answer to "When GPT 5.5 will be available as API?"?
As of today, OpenAI has not published a public API release date for GPT-5.5. The official model docs say GPT-5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT-5.4 as the latest API model.[2][1]
What are the key points to validate first?
As of today, OpenAI has not published a public API release date for GPT-5.5. The official model docs say GPT-5.5 is available in ChatGPT and Codex, with API availability “coming soon,” and the API changelog still lists GPT-5.4 as the latest API model.[2][1] So the honest answer is: I don’t know the date yet.[2][1]
Which related topic should I explore next?
Continue with "Search and fact-check: Why is there confusion about Grok 4.3’s actual specs and what has really shipped so far?" for another angle and extra citations.
Open related pageWhat should I compare this against?
Cross-check this answer against "Can you make a comprehensive revision guide for me based on these documents? Using any sources to enrich the revision guide is also welcome.".
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Sources
- [1] Changelog | OpenAI APIdevelopers.openai.com
- Latest: GPT-5.4. * Using tools. * Overview. * Models and providers. * Computer use. * Overview. * Reasoning models. * [Getting started](https://developers.openai.com/api/docs/…
- [2] 2026 OpenAI API Complete Guide - UniFuncs 深度搜索unifuncs.com
- Pricing : Input $2.50/1M tokens, Output $15.00/1M tokens (standard); Pro version 12× cost 110
nxcodeGPT-5.4 API Developer Guide: Reasoning Effort, Computer Use, and Code Examples (2026) | NxCode 发布信息 NxCode Team，2026-03-11(5天前) 核心要点 基础信息 1. | GPT-5 Mini | gpt-5-mini | ~$0.25 | ~$1.25 | Cost-effective production (≈$10/month for 10K customer chats) [107](http…
- Pricing : Input $2.50/1M tokens, Output $15.00/1M tokens (standard); Pro version 12× cost 110
- [3] Announcements - OpenAI Developer Communitycommunity.openai.com
| GPT-5.1-Codex-Max is now available in the API |
[![Image… - [4] OpenAI announces GPT-5.5, its latest artificial intelligence modelcnbc.com
Skip Navigation. Markets. * U.S. Markets. * Currencies. * Cryptocurrency. * Bonds. Business. * Economy. * Finance. * Media. * Energy. * [Climate](https://…
- [5] OpenAI Newsroom | Productopenai.com
Skip to main content. * Research. * Business. * Developers. * Company. * Company. * Research. * Product. * Safety. * Engineering. * Security. * [All](https://openai.com/…
- [6] OpenAI Release Notes - April 2026 Latest Updates - Releasebotreleasebot.io
OpenAI releases GPT-5.5, its smartest and most intuitive model yet, bringing faster agentic coding, stronger computer use, and better knowledge work in ChatGPT and Codex. ChatGPT Business adds Workspace Agents for automating repeatable work across connected apps, with support for creation from templates or scratch, sharing, scheduling, Slack use, and admin controls.
. OpenAI introduces workspace agents in ChatGPT, letting teams buil…
- [7] OpenAI launches GPT-5.5, calling it "a new class of ...thenewstack.io
Apr 6th 2026 12:05pm, by TNS Staff](https://thenewstack.io/is-observability-still-an-operations-problem-at-your-organization/). As agentic AI explodes, Amazon doubles down on MCP Apr 16th 2026 3:56pm, by Alex Wilhelm. Model Flop Utilization is the metric Aria Networks says will define the AI infrastructure era Apr 7th 2026 9:00am, by Adrian Bridgwater. Apr 15th 2026 12:00pm, by Anil Inamdar. Apr 14th 2026 12:01pm, by [Adri…
- [8] What ChatGPT 5.5 really means in April 2026webiano.digital
It explains what is officially confirmed, what has been retired, what appears to power ChatGPT right now, where GPT-4.5 fits into the sequence, why GPT-5.5 is still unverified, and what signals would count as real evidence if OpenAI does release it later. It also looks at the deeper shift underneath the naming issue: ChatGPT is turning into a product layer built around tools, memory, apps, projects, agent behavior, and plan-based routing, while model branding keeps moving in the background. **A genuine GPT-5.5 or ChatGPT 5.5 release would normally show up in at least three places at once:…
- [9] GPT-5.5 released by...? Trading Odds & Predictions 2026 | Polymarketpolymarket.com
OpenAI's official release of GPT-5.5 on April 23, 2026, drives ... available to the general public by the specified date (ET). Otherwise, this
- [10] OpenAI releases GPT-5.5 with improved coding and research capabilitiestech.yahoo.com
OpenAI releases GPT-5.5 with improved coding and research capabilities. Louis Juricic. Thu, April 23, 2026 at 11:
- [11] Models | OpenAI APIdevelopers.openai.com
GPT-5.5 is currently available in ChatGPT and Codex, with API availability coming soon. Choosing a model. If you're not sure where to start, use gpt-5.4, our